s

B31.31/2" s/40 & Std. - 0.109" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.172"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.218 Max Individual Width: 0.055" Max Cumulative Length: 0.436 in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.036" Max Individual Width: 0.036" Max Cumulative Length: 0.109" in 1.308" of w.

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.012

Normal Services:Max Size of Random Internal Porosity: 0.027" Max Size of Isolated Internal Porosity: 0.036"Max Sum of diameters of Aligned Porosity: 0.109" in a 1.308" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.218"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of of weld = 12

Severe Cyclic:Max size of Random Internal Porosity: 0.027" Max Size of Isolated Internal Porosity: 0.036"Max sum of diameters of Aligned Porosity: 0.109" in a 1.308" length of weld.Max group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.218Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of weld = 12

s

B31.31/2 s/80 & Extra Strong - 0.147" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.210"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.294" Max Individual Width: 0.074" Max Cumulative Length: 0.588" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.049" Max Individual Width: 0.049" Max Cumulative Length: 0.147" in 1.764" of w.

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.016

Normal Services:Max Size of Random Internal Porosity: 0.037" Max Size of Isolated Internal Porosity: 0.049"Max Sum of diameters of Aligned Porosity: 0.147" in a 1.764" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.294"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

Severe Cyclic:Max size of Random Internal Porosity: 0.037" Max Size of Isolated Internal Porosity: 0.049"Max sum of diameters of Aligned Porosity: 0.147" in a 1.764" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.294"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.31/2" s/160 - 0.188" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.251"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.376" Max Individual Width: 0.094" Max Cumulative Length: 0.752" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.063" Max Individual Width: 0.063" Max Cumulative Length: 0.188" in 2.256" of w.

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.016

Normal Services:Max Size of Random Internal Porosity: 0.047" Max Size of Isolated Internal Porosity: 0.063"Max Sum of diameters of Aligned Porosity: 0.188" in a 2.256" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.376"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

Severe Cyclic:Max size of Random Internal Porosity: 0.047" Max Size of Isolated Internal Porosity: 0.063"Max sum of diameters of Aligned Porosity: 0.188" in a 2.256" length of weld.Max group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.376"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.33/4" s/40 & Std. - 0.113" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.176"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.226" Max Individual Width: 0.057" Max Cumulative Length: 0.452" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.038" Max Individual Width: 0.038" Max Cumulative Length: 0.113" in 1.356" of w.

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.012

Normal Services:Max Size of Random Internal Porosity: 0.028" Max Size of Isolated Internal Porosity: 0.038"Max Sum of diameters of Aligned Porosity: 0.113" in a 1.356" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.226"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of of weld = 12

Severe Cyclic:Max size of Random Internal Porosity: 0.028" Max Size of Isolated Internal Porosity: 0.038"Max sum of diameters of Aligned Porosity: 0.113" in a 1.356" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.226"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of weld = 12

s

B31.33/4" s/80 & Extra Strong - 0.154" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.217"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.308" Max Individual Width: 0.077" Max Cumulative Length: 0.616" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.051" Max Individual Width: 0.051" Max Cumulative Length: 0.154" in 1.848" of w.

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.016

Normal Services:Max Size of Random Internal Porosity: 0.039" Max Size of Isolated Internal Porosity: 0.051"Max Sum of diameters of Aligned Porosity: 0.154" in a 1.848" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.308"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

Severe Cyclic:Max size of Random Internal Porosity: 0.039" Max Size of Isolated Internal Porosity: 0.051"Max sum of diameters of Aligned Porosity: 0.154" in a 1.848" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.308"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.33/4" s/160 - 0.219" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.282"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.438" Max Individual Width: 0.110" Max Cumulative Length: 0.876" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.073" Max Individual Width: 0.073" Max Cumulative Length: 0.219" in 2.628" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.016

Normal Services:Max Size of Random Internal Porosity: 0.055" Max Size of Isolated Internal Porosity: 0.073"Max Sum of diameters of Aligned Porosity: 0.219" in a 2.628" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.438"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

Severe Cyclic:Max size of Random Internal Porosity: 0.055" Max Size of Isolated Internal Porosity: 0.073"Max sum of diameters of Aligned Porosity: 0.219" in a 2.628" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.438"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.33/4" XX Strong - 0.308" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.433"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.616" Max Individual Width: 0.125" Max Cumulative Length: 1.232" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.103" Max Individual Width: 0.094" Max Cumulative Length: 0.308" in 3.696" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031"

Normal Services:Max Size of Random Internal Porosity: 0.116" Max Size of Isolated Internal Porosity: 0.154"Max Sum of diameters of Aligned Porosity: 0.462" in a 3.696" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.924"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.077" Max Size of Isolated Internal Porosity: 0.103"Max sum of diameters of Aligned Porosity: 0.308" in a 3.696" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.616"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.31" s/10 - 0.109" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.172"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.218" Max Individual Width: 0.055" Max Cumulative Length: 0.436" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.036" Max Individual Width: 0.036" Max Cumulative Length: 0.109" in 1.308" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.012

Normal Services:Max Size of Random Internal Porosity: 0.027" Max Size of Isolated Internal Porosity: 0.036"Max Sum of diameters of Aligned Porosity: 0.109" in a 1.308" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.218"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of weld = 12

Severe Cyclic:Max size of Random Internal Porosity: 0.027" Max Size of Isolated Internal Porosity: 0.036"Max sum of diameters of Aligned Porosity: 0.109" in a 1.308" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.218"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of weld = 12

s

B31.31" s/40 & Std. - 0.133" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.196"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.266" Max Individual Width: 0.067" Max Cumulative Length: 0.532" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.044" Max Individual Width: 0.044" Max Cumulative Length: 0.133" in 1.596" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.016

Normal Services:Max Size of Random Internal Porosity: 0.033" Max Size of Isolated Internal Porosity: 0.044"Max Sum of diameters of Aligned Porosity: 0.133" in a 1.596" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.266"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

Severe Cyclic:Max size of Random Internal Porosity: 0.033" Max Size of Isolated Internal Porosity: 0.044"Max sum of diameters of Aligned Porosity: 0.133" in a 1.596" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.266"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.31" s/80 & Extra Strong - 0.179" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: ` 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.242"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.358" Max Individual Width: 0.090" Max Cumulative Length: 0.716" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.060" Max Individual Width: 0.060" Max Cumulative Length: 0.179" in 2.148" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.016

Normal Services:Max Size of Random Internal Porosity: 0.045" Max Size of Isolated Internal Porosity: 0.060"Max Sum of diameters of Aligned Porosity: 0.179" in a 2.148" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.358"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

Severe Cyclic:Max size of Random Internal Porosity: 0.045" Max Size of Isolated Internal Porosity: 0.060"Max sum of diameters of Aligned Porosity: 0.179" in a 2.148" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.358"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.31" s/160 - 0.250" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.313"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.500" Max Individual Width: 0.125" Max Cumulative Length: 1.000 in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.083" Max Individual Width: 0.083" Max Cumulative Length: 0.250" in 3.000" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.016

Normal Services:Max Size of Random Internal Porosity: 0.063" Max Size of Isolated Internal Porosity: 0.083"Max Sum of diameters of Aligned Porosity: 0.250" in a 3.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

Severe Cyclic:Max size of Random Internal Porosity: 0.063" Max Size of Isolated Internal Porosity: 0.083"Max sum of diameters of Aligned Porosity: 0.250" in 3.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.31" XX Strong - 0.358" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.483"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.716" Max Individual Width: 0.125" Max Cumulative Length: 1.432" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.119" Max Individual Width: 0.094" Max Cumulative Length: 0.358" in 4.296" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:Max Size of Random Internal Porosity: 0.134" Max Size of Isolated Internal Porosity: 0.179"Max Sum of diameters of Aligned Porosity: 0.537" in a 4.296" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.074"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.090" Max Size of Isolated Internal Porosity: 0.119"Max sum of diameters of Aligned Porosity: 0.358" in a 4.296" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.716"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.31.25" s/10 - 0.109" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.625" Total of wall + reinforcement: 0.172"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.218" Max Individual Width: 0.055" Max Cumulative Length: 0.436" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.036" Max Individual Width: 0.036" Max Cumulative Length: 0.109" in 1.308" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.012

Normal Services:Max Size of Random Internal Porosity: 0.027" Max Size of Isolated Internal Porosity: 0.036"Max Sum of diameters of Aligned Porosity: 0.109" in a 1.308" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.218"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of weld = 12Severe Cyclic:Max size of Random Internal Porosity: 0.027" Max Size of Isolated Internal Porosity: 0.036"Max sum of diameters of Aligned Porosity: 0.109" in a 1.308" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.218"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of weld = 12

s

B31.31.25" s/40 & Std. - 0.140" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.625" Total of wall + reinforcement: 0.203"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.280" Max Individual Width: 0.070" Max Cumulative Length: 0.560" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.047" Max Individual Width: 0.047" Max Cumulative Length: 0.140" in 1.680" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.016

Normal Services:Max Size of Random Internal Porosity: 0.035" Max Size of Isolated Internal Porosity: 0.047"Max Sum of diameters of Aligned Porosity: 0.140" in a 1.680" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.280"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Severe Cyclic:Max size of Random Internal Porosity: 0.035" Max Size of Isolated Internal Porosity: 0.047"Max sum of diameters of Aligned Porosity: 0.140" in a 1.680" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.280"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.31.25" s/160 - 0.250" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Maximum allowable reinforcement: 0.625" Total of wall + reinforcement: 0.313"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.500" Max Individual Width: 0.125" Max Cumulative Length: 1.000" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.083" Max Individual Width: 0.083" Max Cumulative Length: 0.250" in 3.000" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.016

Normal Services:Max Size of Random Internal Porosity: 0.063" Max Size of Isolated Internal Porosity: 0.083"Max Sum of diameters of Aligned Porosity: 0.250" in a 3.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Severe Cyclic:Max size of Random Internal Porosity: 0.063" Max Size of Isolated Internal Porosity: 0.083"Max sum of diameters of Aligned Porosity: 0.250" in 3.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.31.25" XX Strong - 0.382" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.507"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.764" Max Individual Width: 0.125" Max Cumulative Length: 1.528" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.127" Max Individual Width: 0.094" Max Cumulative Length: 0.382" in 4.584" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:Max Size of Random Internal Porosity: 0.143" Max Size of Isolated Internal Porosity: 0.191"Max Sum of diameters of Aligned Porosity: 0.573" in a 4.584" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.146"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"Severe Cyclic:Max size of Random Internal Porosity: 0.096" Max Size of Isolated Internal Porosity: 0.127"Max sum of diameters of Aligned Porosity: 0.382" in a 4.584" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.764"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.31.5" s/10 - 0.109" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.172"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.218" Max Individual Width: 0.055" Max Cumulative Length: 0.436" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.036" Max Individual Width: 0.036" Max Cumulative Length: 0.109" in 1.308" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.012

Normal Services:Max Size of Random Internal Porosity: 0.027" Max Size of Isolated Internal Porosity: 0.036"Max Sum of diameters of Aligned Porosity: 0.109" in a 1.308" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.218'Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of of weld = 12

Severe Cyclic:Max size of Random Internal Porosity: 0.027" Max Size of Isolated Internal Porosity: 0.036"Max sum of diameters of Aligned Porosity: 0.109" in a 1.308" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.218"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of weld = 12

s

B31.31.5" s/40 & /Std. - 0.145" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.208"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.290" Max Individual Width: 0.073" Max Cumulative Length: 0.580" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.048" Max Individual Width: 0.048" Max Cumulative Length: 0.145" in 1.740" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.016

Normal Services:Max Size of Random Internal Porosity: 0.036" Max Size of Isolated Internal Porosity: 0.048"Max Sum of diameters of Aligned Porosity: 0.145" in a 1.740" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.290"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Severe Cyclic:Max size of Random Internal Porosity: 0.036" Max Size of Isolated Internal Porosity: 0.048"Max sum of diameters of Aligned Porosity: 0.145" in a 1.740" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.290"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.31.5" s/80 & Extra Strong - 0.200" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.263"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.400" Max Individual Width: 0.100" Max Cumulative Length: 0.800" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.067" Max Individual Width: 0.067" Max Cumulative Length: 0.200" in 2.400" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.016

Normal Services:Max Size of Random Internal Porosity: 0.050" Max Size of Isolated Internal Porosity: 0.067"Max Sum of diameters of Aligned Porosity: 0.200" in a 2.400" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.400"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Severe Cyclic:Max size of Random Internal Porosity: 0.050" Max Size of Isolated Internal Porosity: 0.067"Max sum of diameters of Aligned Porosity: 0.200" in a 2.400" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.400"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.31.5" s/160 - 0.281" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.406"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.562" Max Individual Width: 0.125" Max Cumulative Length: 1.124" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.094" Max Individual Width: 0.094" Max Cumulative Length: 0.281" in 3.372" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:Max Size of Random Internal Porosity: 0.105" Max Size of Isolated Internal Porosity: 0.141"Max Sum of diameters of Aligned Porosity: 0.422" in a 3.372" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.843"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"Severe Cyclic:Max size of Random Internal Porosity: 0.070" Max Size of Isolated Internal Porosity: 0.094"Max sum of diameters of Aligned Porosity: 0.281" in a 3.372" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.562"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.31.5" XX Strong - 0.400" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.525"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.800" Max Individual Width: 0.125" Max Cumulative Length: 1.600" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.133" Max Individual Width: 0.094" Max Cumulative Length: 0.400" in 4.800" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:Max Size of Random Internal Porosity: 0.150" Max Size of Isolated Internal Porosity: 0.200"Max Sum of diameters of Aligned Porosity: 0.600" in a 4.800" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.200"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"Severe Cyclic:Max size of Random Internal Porosity: 0.100" Max Size of Isolated Internal Porosity: 0.133"Max sum of diameters of Aligned Porosity: 0.400" in a 4.800" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.800"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.32" s/40 & Std. - 0.154" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.217"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.308" Max Individual Width: 0.077" Max Cumulative Length: 0.616" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.051" Max Individual Width: 0.051" Max Cumulative Length: 0.154" in 1.848" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.016

Normal Services:Max Size of Random Internal Porosity: 0.039" Max Size of Isolated Internal Porosity: 0.051"Max Sum of diameters of Aligned Porosity: 0.154" in a 1.848" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.308"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

Severe Cyclic:Max size of Random Internal Porosity: 0.039" Max Size of Isolated Internal Porosity: 0.051"Max sum of diameters of Aligned Porosity: 0.154" in a 1.848" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.308"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.32" s/80 and Extra Strong - 0.218" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.281"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.436" Max Individual Width: 0.109" Max Cumulative Length: 0.872" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.073" Max Individual Width: 0.073" Max Cumulative Length: 0.218" in 2.616" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.016

Normal Services:Max Size of Random Internal Porosity: 0.055" Max Size of Isolated Internal Porosity: 0.073"Max Sum of diameters of Aligned Porosity: 0.218" in a 2.616" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.436"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

Severe Cyclic:Max size of Random Internal Porosity: 0.055" Max Size of Isolated Internal Porosity: 0.073"Max sum of diameters of Aligned Porosity: 0.218" in a 2.616" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.436"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.32" s/160 - 0.344" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.469"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.688" Max Individual Width: 0.125" Max Cumulative Length: 1.376" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.115" Max Individual Width: 0.094" Max Cumulative Length: 0.344" in 4.128" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:Max Size of Random Internal Porosity: 0.129" Max Size of Isolated Internal Porosity: 0.172"Max Sum of diameters of Aligned Porosity: 0.516" in a 4.128" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.032"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.086" Max Size of Isolated Internal Porosity: 0.115"Max sum of diameters of Aligned Porosity: 0.344" in a 4.128" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.688"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.32" XX Strong - 0.436" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.561"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.872" Max Individual Width: 0.125" Max Cumulative Length: 1.744" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.145" Max Individual Width: 0.094" Max Cumulative Length: 0.436" in 5.232" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:Max Size of Random Internal Porosity: 0.164" Max Size of Isolated Internal Porosity: 0.218"Max Sum of diameters of Aligned Porosity: 0.654" in a 5.232" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.308"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.109" Max Size of Isolated Internal Porosity: 0.145"Max sum of diameters of Aligned Porosity: 0.436" in a 5.232" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.872"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.33" s/10 - 0.120" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.183"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.240" Max Individual Width: 0.060" Max Cumulative Length: 0.480" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.040" Max Individual Width: 0.040" Max Cumulative Length: 0.120" in 1.440" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.013

Normal Services:Max Size of Random Internal Porosity: 0.030" Max Size of Isolated Internal Porosity: 0.040"Max Sum of diameters of Aligned Porosity: 0.120" in a 1.440" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.240"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of of weld = 12

Severe Cyclic:Max size of Random Internal Porosity: 0.030" Max Size of Isolated Internal Porosity: 0.040"Max sum of diameters of Aligned Porosity: 0.120" in a 1.440" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.240"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of weld = 12

s

B31.33" s/40 & Std. - 0.216" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.279"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.432" Max Individual Width: 0.108" Max Cumulative Length: 0.864" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.072" Max Individual Width: 0.072" Max Cumulative Length: 0.216" in 2.592" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.016

Normal Services:Max Size of Random Internal Porosity: 0.054" Max Size of Isolated Internal Porosity: 0.072"Max Sum of diameters of Aligned Porosity: 0.216" in a 2.592" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.432"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

Severe Cyclic:Max size of Random Internal Porosity: 0.054" Max Size of Isolated Internal Porosity: 0.072"Max sum of diameters of Aligned Porosity: 0.216" in a 2.592" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.432"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.33" s/80 and Extra Strong - 0.300" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.425"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.600" Max Individual Width: 0.125" Max Cumulative Length: 1.200" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.100" Max Individual Width: 0.094" Max Cumulative Length: 0.300" in 3.600" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:Max Size of Random Internal Porosity: 0.113" Max Size of Isolated Internal Porosity: 0.150"Max Sum of diameters of Aligned Porosity: 0.450" in a 3.600" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.900"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.075" Max Size of Isolated Internal Porosity: 0.100"Max sum of diameters of Aligned Porosity: 0.300" in a 3.600" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.600"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.33" s/160 - 0.438" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.563"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.876" Max Individual Width: 0.125" Max Cumulative Length: 1.752" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.146" Max Individual Width: 0.094" Max Cumulative Length: 0.438" in 5.256" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:Max Size of Random Internal Porosity: 0.164" Max Size of Isolated Internal Porosity: 0.219"Max Sum of diameters of Aligned Porosity: 0.657" in a 5.256" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.314"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.110" Max Size of Isolated Internal Porosity: 0.146"Max sum of diameters of Aligned Porosity: 0.438" in a 5.256" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.876"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.33" XX Strong - 0.600" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Welds with reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3

F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 0.756"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.200" Max Individual Width: 0.125" Max Cumulative Length: 2.400" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.200" Max Individual Width: 0.094" Max Cumulative Length: 0.600" in 7.200" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:Max Size of Random Internal Porosity: 0.225" Max Size of Isolated Internal Porosity: 0.300"Max Sum of diameters of Aligned Porosity: 0.900" in a 7.200" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.150" Max Size of Isolated Internal Porosity: 0.200"Max sum of diameters of Aligned Porosity: 0.600" in a 7.200" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.34" s/10 - 0.120" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.183"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.240" Max Individual Width: 0.060" Max Cumulative Length: 0.480" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.040" Max Individual Width: 0.040" Max Cumulative Length: 0.120" in 1.440" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.013

Normal Services:Max Size of Random Internal Porosity: 0.030" Max Size of Isolated Internal Porosity: 0.040"Max Sum of diameters of Aligned Porosity: 0.120" in a 1.440" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.240"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of weld = 12

Severe Cyclic:Max size of Random Internal Porosity: 0.030" Max Size of Isolated Internal Porosity: 0.040"Max sum of diameters of Aligned Porosity: 0.120" in a 1.440" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.240"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"Max number of relevant internal porosity in a 6" length of weld = 12

s

B31.34" s/40 & Std. - 0.237" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.183"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.474" Max Individual Width: 0.119" Max Cumulative Length: 0.948" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.079" Max Individual Width: 0.079" Max Cumulative Length: 0.237" in 2.844" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.016

Normal Services:

Max Size of Random Internal Porosity: 0.059" Max Size of Isolated Internal Porosity: 0.079"Max Sum of diameters of Aligned Porosity: 0.237" in a 2.844" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.474"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

Severe Cyclic:Max size of Random Internal Porosity: 0.059" Max Size of Isolated Internal Porosity: 0.079"Max sum of diameters of Aligned Porosity: 0.237" in a 2.844" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.474"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.34" s/80 and Extra Strong - 0.337" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.462"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.674" Max Individual Width: 0.125" Max Cumulative Length: 1.348" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.112" Max Individual Width: 0.094" Max Cumulative Length: 0.337" in 4.044" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.126" Max Size of Isolated Internal Porosity: 0.169"Max Sum of diameters of Aligned Porosity: 0.506" in a 4.044" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.011"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.084" Max Size of Isolated Internal Porosity: 0.112"Max sum of diameters of Aligned Porosity: 0.337" in a 4.044" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.674"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.34" s/120 - 0.438" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.563"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.876" Max Individual Width: 0.125" Max Cumulative Length: 1.752" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.146" Max Individual Width: 0.094" Max Cumulative Length: 0.438" in 5.256" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.164" Max Size of Isolated Internal Porosity: 0.219"Max Sum of diameters of Aligned Porosity: 0.657" in a 5.256" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.314"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.110" Max Size of Isolated Internal Porosity: 0.146"Max sum of diameters of Aligned Porosity: 0.438" in a 5.256" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.876"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.34" s/160 - 0.531" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 0.687"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.062" Max Individual Width: 0.125" Max Cumulative Length: 2.124" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.177" Max Individual Width: 0.094" Max Cumulative Length: 0.531" in 6.372" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.199" Max Size of Isolated Internal Porosity: 0.266"Max Sum of diameters of Aligned Porosity: 0.797" in a 6.372" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.133" Max Size of Isolated Internal Porosity: 0.177"Max sum of diameters of Aligned Porosity: 0.531" in a 6.372" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.34" XX Strong - 0.674" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Welds with reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3

F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 0.830"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.348" Max Individual Width: 0.125" Max Cumulative Length: 2.696" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.225" Max Individual Width: 0.094" Max Cumulative Length: 0.674" in 8.008" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.337"Max Sum of diameters of Aligned Porosity: 1.011" in a 8.088" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.225"Max sum of diameters of Aligned Porosity: 0.674" in a 8.088" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.36" s/10 = 0.134" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.197"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.268" Max Individual Width: 0.067" Max Cumulative Length: 0.536" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.045" Max Individual Width: 0.045" Max Cumulative Length: 0.134" in 1.608" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.016

Normal Services:

Max Size of Random Internal Porosity: 0.034" Max Size of Isolated Internal Porosity: 0.045"Max Sum of diameters of Aligned Porosity: 0.134" in a 1.608" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.268"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

Severe Cyclic:Max size of Random Internal Porosity: 0.034" Max Size of Isolated Internal Porosity: 0.045"Max sum of diameters of Aligned Porosity: 0.134" in a 1.608" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.268"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.36" s/40 & Std. - 0.280" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.405"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.560" Max Individual Width: 0.125" Max Cumulative Length: 1.120" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.093" Max Individual Width: 0.093" Max Cumulative Length: 0.280" in 3.360" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.105" Max Size of Isolated Internal Porosity: 0.140"Max Sum of diameters of Aligned Porosity: 0.420" in a 3.360" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.840"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.070" Max Size of Isolated Internal Porosity: 0.093"Max sum of diameters of Aligned Porosity: 0.280" in a 3.360" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.560"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.36" s/80 & Extra Strong - 0.432" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.557"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.864" Max Individual Width: 0.125" Max Cumulative Length: 1.728" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.144" Max Individual Width: 0.094" Max Cumulative Length: 0.432" in 5.184" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.162" Max Size of Isolated Internal Porosity: 0.216"Max Sum of diameters of Aligned Porosity: 0.648" in a 5.184" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.296"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.108" Max Size of Isolated Internal Porosity: 0.144"Max sum of diameters of Aligned Porosity: 0.432" in a 5.184" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.864"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.36" s/160 - 0.719" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Welds with reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3

F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 0.875"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.438" Max Individual Width: 0.125" Max Cumulative Length: 2.876" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.240" Max Individual Width: 0.094" Max Cumulative Length: 0.719" in 8.628" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.360"Max Sum of diameters of Aligned Porosity: 1.079" in a 8.628" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.240"Max sum of diameters of Aligned Porosity: 0.719" in a 8.628" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.36" XX Strong - 0.864" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3

F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Welds with reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2

F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 1.020"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.728" Max Individual Width: 0.125" Max Cumulative Length: 3.456" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.288" Max Individual Width: 0.094" Max Cumulative Length: 0.864" in 10.368"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.296" in a 10.368" length of weldMax group length of Aligned Internal Porosity: 0.432"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 0.864" in a 10.368" length of weldMax group length of Aligned Internal Porosity: 0.288"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.38" s/10 - 0.148" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.211"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.296" Max Individual Width: 0.074" Max Cumulative Length: 0.592" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.049" Max Individual Width: 0.049" Max Cumulative Length: 0.148" in 1.776" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.016

Normal Services:

Max Size of Random Internal Porosity: 0.037" Max Size of Isolated Internal Porosity: 0.049"Max Sum of diameters of Aligned Porosity: 0.148" in a 1.776" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.296"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

Severe Cyclic:Max size of Random Internal Porosity: 0.037" Max Size of Isolated Internal Porosity: 0.049"Max sum of diameters of Aligned Porosity: 0.148" in a 1.776" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.296"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.38" s/40 & Std. - 0.322" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.447"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.644" Max Individual Width: 0.125" Max Cumulative Length: 1.288" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.107" Max Individual Width: 0.094" Max Cumulative Length: 0.322" in 3.864" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.121" Max Size of Isolated Internal Porosity: 0.161"Max Sum of diameters of Aligned Porosity: 0.483" in a 3.864" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.966"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.081" Max Size of Isolated Internal Porosity: 0.107"Max sum of diameters of Aligned Porosity: 0.322" in a 3.864" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.644"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.38" s/80 & Extra Strong - 0.500" Wall

Penetrameter SelectionNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.625"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.000" Max Individual Width: 0.125" Max Cumulative Length: 2.000" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.167" Max Individual Width: 0.094" Max Cumulative Length: 0.500" in 6.000" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.188" Max Size of Isolated Internal Porosity: 0.250"Max Sum of diameters of Aligned Porosity: 0.750" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.125" Max Size of Isolated Internal Porosity: 0.167"Max sum of diameters of Aligned Porosity: 0.500" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.38" s/120 - 0.719" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Welds with reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3

F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 0.875"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.438" Max Individual Width: 0.125" Max Cumulative Length: 2.876" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.240" Max Individual Width: 0.094" Max Cumulative Length: 0.719" in 8.628" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.360"Max Sum of diameters of Aligned Porosity: 1.079" in a 8.628" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.240"Max sum of diameters of Aligned Porosity: 0.719" in a 8.628" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.38" s/160 - 0.906" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3

F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Welds with reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2

F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 1.062"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.812" Max Individual Width: 0.125" Max Cumulative Length: 3.624" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.302" Max Individual Width: 0.094" Max Cumulative Length: 0.906" in 10.872"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.359" in a 10.872" length of weldMax group length of Aligned Internal Porosity: 0.453"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 0.906" in a 10.872" length of weldMax group length of Aligned Internal Porosity: 0.302"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.38" XX Strong - 0.875" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3

F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Welds with reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2

F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 1.031"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.750" Max Individual Width: 0.125" Max Cumulative Length: 3.500" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.292" Max Individual Width: 0.094" Max Cumulative Length: 0.875" in 10.500"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.313" in a 10.5" length of weldMax group length of Aligned Internal Porosity: 0.438"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 0.875" in a 10.5" length of weldMax group length of Aligned Internal Porosity: 0.292"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.310" s/10 - 0.165" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.228"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.330" Max Individual Width: 0.083" Max Cumulative Length: 0.660" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.055" Max Individual Width: 0.055" Max Cumulative Length: 0.165" in 1.980" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.016

Normal Services:

Max Size of Random Internal Porosity: 0.041" Max Size of Isolated Internal Porosity: 0.055"Max Sum of diameters of Aligned Porosity: 0.165" in a 1.980" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.330"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

Severe Cyclic:Max size of Random Internal Porosity: 0.041" Max Size of Isolated Internal Porosity: 0.055"Max sum of diameters of Aligned Porosity: 0.165" in a 1.980" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.330"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.310" s/40 & Std. - 0.365" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.490"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.730" Max Individual Width: 0.125" Max Cumulative Length: 1.460" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.122" Max Individual Width: 0.094" Max Cumulative Length: 0.365" in 4.380" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.137" Max Size of Isolated Internal Porosity: 0.183"Max Sum of diameters of Aligned Porosity: 0.548" in a 3.864" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.095"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.091" Max Size of Isolated Internal Porosity: 0.122"Max sum of diameters of Aligned Porosity: 0.365" in a 4.380" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.730"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.310" s/80 - 0.594" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 0.750"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.188" Max Individual Width: 0.125" Max Cumulative Length: 2.376" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.198" Max Individual Width: 0.094" Max Cumulative Length: 0.594" in 7.128" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.223" Max Size of Isolated Internal Porosity: 0.297"Max Sum of diameters of Aligned Porosity: 0.894" in a 7.128" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.149" Max Size of Isolated Internal Porosity: 0.198"Max sum of diameters of Aligned Porosity: 0.594" in a 7.128" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.310" Extra Strong - 0.500" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.625"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.000" Max Individual Width: 0.125" Max Cumulative Length: 2.000" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.167" Max Individual Width: 0.094" Max Cumulative Length: 0.500" in 6.000"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.188" Max Size of Isolated Internal Porosity: 0.250"Max Sum of diameters of Aligned Porosity: 0.750" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.125" Max Size of Isolated Internal Porosity: 0.167"Max sum of diameters of Aligned Porosity: 0.500" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.310" s/120 - 0.844" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3

F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Welds with reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3

F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 1.000"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.688" Max Individual Width: 0.125" Max Cumulative Length: 3.376" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.281" Max Individual Width: 0.094" Max Cumulative Length: 0.844" in 10.128"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.266" in a 10.128" length of weldMax group length of Aligned Internal Porosity: 0.422"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 0.844" in a 10.128" length of weldMax group length of Aligned Internal Porosity: 0.281"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.310" s/160 - 1.125" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2

F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Welds with reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2

F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Maximum allowable reinforcement: 0.188" Total of wall + reinforcement: 1.313"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 2.250" Max Individual Width: 0.125" Max Cumulative Length: 4.5" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.375" Max Individual Width: 0.094" Max Cumulative Length: 1.125" in 13.500"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.688" in a 13.5" length of weldMax group length of Aligned Internal Porosity: 0.563"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 1.125" in a 13.5" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.310" XX Strong - 1.00" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3

F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Welds with reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2

F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 1.156"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 2.000" Max Individual Width: 0.125" Max Cumulative Length: 4.000" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.333" Max Individual Width: 0.094" Max Cumulative Length: 1.000" in 12.00"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.500" in a 12.0" length of weldMax group length of Aligned Internal Porosity: 0.500"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 1.000" in a 12.0" length of weldMax group length of Aligned Internal Porosity: 0.333"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.312" s/10 - 0.180" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.243"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.360" Max Individual Width: 0.090" Max Cumulative Length: 0.720" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.060" Max Individual Width: 0.060" Max Cumulative Length: 0.180" in 2.160" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITY0.016

Normal Services:

Max Size of Random Internal Porosity: 0.045" Max Size of Isolated Internal Porosity: 0.060"Max Sum of diameters of Aligned Porosity: 0.180" in a 2.160" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.360"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

Severe Cyclic:Max size of Random Internal Porosity: 0.045" Max Size of Isolated Internal Porosity: 0.060"Max sum of diameters of Aligned Porosity: 0.180" in a 2.160" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.360"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.312" Standard - 0.375" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.500"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.750" Max Individual Width: 0.125" Max Cumulative Length: 1.500" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.125" Max Individual Width: 0.094" Max Cumulative Length: 0.375" in 4.5" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.141" Max Size of Isolated Internal Porosity: 0.188"Max Sum of diameters of Aligned Porosity: 0.563" in a 4.5" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.125"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.094" Max Size of Isolated Internal Porosity: 0.125"Max sum of diameters of Aligned Porosity: 0.375" in a 4.5" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.750"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.312" s/40 - 0.406" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.531"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.812" Max Individual Width: 0.125" Max Cumulative Length: 1.624" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.135" Max Individual Width: 0.094" Max Cumulative Length: 0.406" in 4.872"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.152" Max Size of Isolated Internal Porosity: 0.203"Max Sum of diameters of Aligned Porosity: 0.609" in a 4.872" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.218"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.102" Max Size of Isolated Internal Porosity: 0.135"Max sum of diameters of Aligned Porosity: 0.406" in a 4.872" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.812"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.312" s/80 - 0.688" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Welds with reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3

F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 0.844"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.376" Max Individual Width: 0.125" Max Cumulative Length: 2.752" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.229" Max Individual Width: 0.094" Max Cumulative Length: 0.688" in 8.256" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.344"Max Sum of diameters of Aligned Porosity: 1.032" in a 8.256" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.229"Max sum of diameters of Aligned Porosity: 0.688" in a 8.256" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.312" Extra Strong - 0.500" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.625"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.000" Max Individual Width: 0.125" Max Cumulative Length: 2.000" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.167" Max Individual Width: 0.094" Max Cumulative Length: 0.500" in 6.0" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.188" Max Size of Isolated Internal Porosity: 0.250"Max Sum of diameters of Aligned Porosity: 0.750" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.125" Max Size of Isolated Internal Porosity: 0.167"Max sum of diameters of Aligned Porosity: 0.500" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.312" XX Strong - 1.00" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3

F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Welds with reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2

F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 1.156"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 2.000" Max Individual Width: 0.125" Max Cumulative Length: 4.000" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.333" Max Individual Width: 0.094" Max Cumulative Length: 1.000" in 12.00"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.500" in a 12.0" length of weldMax group length of Aligned Internal Porosity: 0.500"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 1.000" in a 12.0" length of weldMax group length of Aligned Internal Porosity: 0.333"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.312" s/120 - 1.00" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3

F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Welds with reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2

F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 1.156"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 2.000" Max Individual Width: 0.125" Max Cumulative Length: 4.000" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.333" Max Individual Width: 0.094" Max Cumulative Length: 1.000" in 12.00"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.500" in a 12.0" length of weldMax group length of Aligned Internal Porosity: 0.500"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 1.000" in a 12.0" length of weldMax group length of Aligned Internal Porosity: 0.333"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.312" s/160 - 1.312" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2

F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Welds with reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2

F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Maximum allowable reinforcement: 0.188" Total of wall + reinforcement: 1.500"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 2.624" Max Individual Width: 0.125" Max Cumulative Length: 5.248" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.437" Max Individual Width: 0.094" Max Cumulative Length: 1.312" in 15.744"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.968" in a 15.744" length of weldMax group length of Aligned Internal Porosity: 0.656"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.5"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 1.312" in a 15.744" length of weldMax group length of Aligned Internal Porosity: 0.437"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.0"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.316" s/10 - 0.188" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.251"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.376" Max Individual Width: 0.094" Max Cumulative Length: 0.752" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.063" Max Individual Width: 0.063" Max Cumulative Length: 0.188" in 2.256" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.016

Normal Services:

Max Size of Random Internal Porosity: 0.047" Max Size of Isolated Internal Porosity: 0.063"Max Sum of diameters of Aligned Porosity: 0.188" in a 2.256" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.376"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

Severe Cyclic:Max size of Random Internal Porosity: 0.047" Max Size of Isolated Internal Porosity: 0.063"Max sum of diameters of Aligned Porosity: 0.188" in a 2.256" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.376"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.316 " Standard - 0.375" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.500"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.750" Max Individual Width: 0.125" Max Cumulative Length: 1.500" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.125" Max Individual Width: 0.094" Max Cumulative Length: 0.375" in 4.500"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.141" Max Size of Isolated Internal Porosity: 0.188"Max Sum of diameters of Aligned Porosity: 0.563" in a 4.500" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.125"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.094" Max Size of Isolated Internal Porosity: 0.125"Max sum of diameters of Aligned Porosity: 0.375" in a 4.500" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.750"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.316" s/40 - 0.500" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.625"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.000" Max Individual Width: 0.125" Max Cumulative Length: 2.000" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.167" Max Individual Width: 0.094" Max Cumulative Length: 0.500" in 6.0" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.188" Max Size of Isolated Internal Porosity: 0.250"Max Sum of diameters of Aligned Porosity: 0.750" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.125" Max Size of Isolated Internal Porosity: 0.167"Max sum of diameters of Aligned Porosity: 0.500" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.316" Extra Strong - 0.500" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.625"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.000" Max Individual Width: 0.125" Max Cumulative Length: 2.000" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.167" Max Individual Width: 0.094" Max Cumulative Length: 0.500" in 6.0" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.188" Max Size of Isolated Internal Porosity: 0.250"Max Sum of diameters of Aligned Porosity: 0.750" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.125" Max Size of Isolated Internal Porosity: 0.167"Max sum of diameters of Aligned Porosity: 0.500" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.316" s/80 - 0.844" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3

F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Welds with reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3

F/S Hole: 20 F/S Wire: 0.016 Esn. Wire: B4Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 1.00"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.688" Max Individual Width: 0.125" Max Cumulative Length: 3.376" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.281" Max Individual Width: 0.094" Max Cumulative Length: 0.844" in 10.128"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.266" in a 10.128" length of weldMax group length of Aligned Internal Porosity: 0.422"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 0.844" in a 10.128" length of weldMax group length of Aligned Internal Porosity: 0.281"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.316" s/120 - 1.219" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2

F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Welds with reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2

F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Maximum allowable reinforcement: 0.188" Total of wall + reinforcement: 1.407"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 2.438" Max Individual Width: 0.125" Max Cumulative Length: 4.876" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.406" Max Individual Width: 0.094" Max Cumulative Length: 1.219" in 14.628"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.829" in a 14.628" length of weldMax group length of Aligned Internal Porosity: 0.610"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 1.219" in a 14.628" length of weldMax group length of Aligned Internal Porosity: 0.406"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.316" s/160 - 1.594" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 35 S/S Wire: 0.032 Esn. Wire: B1 or C6

F/S Hole: 30 F/S Wire: 0.025 Esn. Wire: B2Welds with reinforcement: S/S Hole: 35 S/S Wire: 0.032 Esn. Wire: B1 or C6

F/S Hole: 30 F/S Wire: 0.025 Esn. Wire: B2Maximum allowable reinforcement: 0.188" Total of wall + reinforcement: 1.782"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 3.188" Max Individual Width: 0.125" Max Cumulative Length: 6.376" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.531" Max Individual Width: 0.094" Max Cumulative Length: 1.594" in 19.128"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 2.391" in a 19.128" length of weldMax group length of Aligned Internal Porosity: 0.797"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 1.594" in a 19.128" length of weldMax group length of Aligned Internal Porosity: 0.531"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.320" s/10 - 0.218" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.281"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.436" Max Individual Width: 0.109" Max Cumulative Length: 0.872" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.073" Max Individual Width: 0.073" Max Cumulative Length: 0.218" in 2.616" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.016

Normal Services:

Max Size of Random Internal Porosity: 0.055" Max Size of Isolated Internal Porosity: 0.073"Max Sum of diameters of Aligned Porosity: 0.218" in a 2.616" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.436"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

Severe Cyclic:Max size of Random Internal Porosity: 0.055" Max Size of Isolated Internal Porosity: 0.073"Max sum of diameters of Aligned Porosity: 0.218" in a 2.616" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.436"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.320" Standard - 0.375" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.500"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.750" Max Individual Width: 0.125" Max Cumulative Length: 1.500" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.125" Max Individual Width: 0.094" Max Cumulative Length: 0.375" in 4.5" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.141" Max Size of Isolated Internal Porosity: 0.188"Max Sum of diameters of Aligned Porosity: 0.563" in a 4.5" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.125"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.094" Max Size of Isolated Internal Porosity: 0.125"Max sum of diameters of Aligned Porosity: 0.375" in a 4.5" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.750"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.320" s/40 - 0.594" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 0.750"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.188" Max Individual Width: 0.125" Max Cumulative Length: 2.376" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.198" Max Individual Width: 0.094" Max Cumulative Length: 0.594" in 7.128" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.223" Max Size of Isolated Internal Porosity: 0.297"Max Sum of diameters of Aligned Porosity: 0.891" in a 7.128" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.149" Max Size of Isolated Internal Porosity: 0.198"Max sum of diameters of Aligned Porosity: 0.594" in a 7.128" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.320" Extra Strong - 0.500" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.625"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.000" Max Individual Width: 0.125" Max Cumulative Length: 2.000" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.167" Max Individual Width: 0.094" Max Cumulative Length: 0.500" in 6.000"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.188" Max Size of Isolated Internal Porosity: 0.250"Max Sum of diameters of Aligned Porosity: 0.750" in a 6.0" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.125" Max Size of Isolated Internal Porosity: 0.167"Max sum of diameters of Aligned Porosity: 0.500" in a 6.0" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.320" s/80 - 1.031" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2

F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Welds with reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2

F/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3Maximum allowable reinforcement: 0.188" Total of wall + reinforcement: 1.219"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 2.062" Max Individual Width: 0.125" Max Cumulative Length: 4.124" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.344" Max Individual Width: 0.094" Max Cumulative Length: 1.031" in 12.372"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.547" in a 12.372" length of weldMax group length of Aligned Internal Porosity: 0.516"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 1.031" in a 12.372" length of weldMax group length of Aligned Internal Porosity: 0.344"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.320" s/120 - 1.500" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2

F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Welds with reinforcement: S/S Hole: 35 S/S Wire: 0.032 Esn. Wire: B1 or C6

F/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2Maximum allowable reinforcement: 0.188" Total of wall + reinforcement: 1.688"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 3.00" Max Individual Width: 0.125" Max Cumulative Length: 6" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.500" Max Individual Width: 0.094" Max Cumulative Length: 1.500" in 18.00"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 2.250" in a 18.00" length of weldMax group length of Aligned Internal Porosity: 0.750"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 1.500" in a 18.00" length of weldMax group length of Aligned Internal Porosity: 0.500"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.320" s/160 - 1.969" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 35 S/S Wire: 0.032 Esn. Wire: B1 or C6

F/S Hole: 30 F/S Wire: 0.025 Esn. Wire: B2Welds with reinforcement: S/S Hole: 40 S/S Wire: 0.040 Esn. Wire: C5

F/S Hole: 35 S/S Wire: 0.032 Esn. Wire: B1 or C6Maximum allowable reinforcement: 0.188" Total of wall + reinforcement: 2.157"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 3.938" Max Individual Width: 0.125" Max Cumulative Length: 7.876" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.656" Max Individual Width: 0.094" Max Cumulative Length: 1.696" in 23.628"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 2.954" in a 23.628" length of weldMax group length of Aligned Internal Porosity: 0.985"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 1.969" in a 23.628" length of weldMax group length of Aligned Internal Porosity: 0.656"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.324" s/10 - .250" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2

F/S Hole: 10 F/S Wire: 0.006 Esn. Wire: A3Welds with reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 S/S Wire: 0.008 Esn. Wire: A2Maximum allowable reinforcement: 0.0625" Total of wall + reinforcement: 0.313"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.500" Max Individual Width: 0.125" Max Cumulative Length: 1.00" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.083" Max Individual Width: 0.083" Max Cumulative Length: 0.250" in 3.00" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.016

Normal Services:

Max Size of Random Internal Porosity: 0.063" Max Size of Isolated Internal Porosity: 0.083"Max Sum of diameters of Aligned Porosity: 0.250" in a 3.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

Severe Cyclic:Max size of Random Internal Porosity: 0.063" Max Size of Isolated Internal Porosity: 0.083"Max sum of diameters of Aligned Porosity: 0.250" in a 3.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.324" s/40 - 0.688" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Welds with reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3

F/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 0.844"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.376" Max Individual Width: 0.125" Max Cumulative Length: 2.752" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.229" Max Individual Width: 0.094 Max Cumulative Length: 0.688" in 8.256"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.344"Max Sum of diameters of Aligned Porosity: 1.032" in a 8.256" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.229"Max sum of diameters of Aligned Porosity: 0.688" in a 8.256" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.324" Standard - 0.375" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.500"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.750" Max Individual Width: 0.125" Max Cumulative Length: 1.500" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.125" Max Individual Width: 0.094 Max Cumulative Length: 0.375" in 4.5" of w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.141" Max Size of Isolated Internal Porosity: 0.188"Max Sum of diameters of Aligned Porosity: 0.563" in a 4.500" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.125"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.094" Max Size of Isolated Internal Porosity: 0.125"Max sum of diameters of Aligned Porosity: 0.375" in a 4.500" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.750"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

e

s

B31.324" Extra Strong - 0.500" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforc ` S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.625"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.000" Max Individual Width: 0.125" Max Cumulative Length: 2.000" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.167" Max Individual Width: 0.094 Max Cumulative Length: 0.500" in 6.000"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.188" Max Size of Isolated Internal Porosity: 0.250"Max Sum of diameters of Aligned Porosity: 0.750" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.125" Max Size of Isolated Internal Porosity: 0.167"Max sum of diameters of Aligned Porosity: 0.500" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.324" s/80 - 1.218" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2

F/S Hole: 25 F/S Wire: 0.020 Esn. Wire: B3Welds with reinforcement: S/S Hole: 30 S/S Wire: 0.025 Esn. Wire: B2

F/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3Maximum allowable reinforcement: 0.188" Total of wall + reinforcement: 1.406"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 2.438" Max Individual Width: 0.125" Max Cumulative Length: 4.876" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.406" Max Individual Width: 0.094 Max Cumulative Length: 1.219" in 14.628"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.829" in a 14.628" length of weldMax group length of Aligned Internal Porosity: 0.610"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 1.219" in a 14.628" length of weldMax group length of Aligned Internal Porosity: 0.406"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.324" s/160 - 2.344" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 40 S/S Wire: 0.040 Esn. Wire: C5

F/S Hole: 35 F/S Wire: 0.032 Esn. Wire: B1 or C6Welds with reinforcement: S/S Hole: 50 S/S Wire: 0.050 Esn. Wire: C4

F/S Hole: 40 S/S Wire: 0.040 Esn. Wire: C5Maximum allowable reinforcement: 0.188" Total of wall + reinforcement: 2.532"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 4.688" Max Individual Width: 0.125" Max Cumulative Length: 9.376" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.781" Max Individual Width: 0.094 Max Cumulative Length: 2.344" in 28.128"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.563"Max Sum of diameters of Aligned Porosity: 3.516" in a 28.128" length of weldMax group length of Aligned Internal Porosity: 1.125"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.375"Max sum of diameters of Aligned Porosity: 2.344" in a 28.128" length of weldMax group length of Aligned Internal Porosity: 0.750"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.336" s/10 - 0.312" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.437"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.624" Max Individual Width: 0.125" Max Cumulative Length: 1.248" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.104" Max Individual Width: 0.094" Max Cumulative Length: 0.312" in 3.744"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.117" Max Size of Isolated Internal Porosity: 0.156"Max Sum of diameters of Aligned Porosity: 0.468" in a 3.744" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.936"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.078" Max Size of Isolated Internal Porosity: 0.104"Max sum of diameters of Aligned Porosity: 0.312" in a 3.744" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.624"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.336" Standard - 0.375" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6

F/S Hole: 12 F/S Wire: 0.008 Esn. Wire: A2Welds with reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 S/S Wire: 0.010 Esn. Wire: A1 or B6Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.500"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 0.750" Max Individual Width: 0.125" Max Cumulative Length: 1.500" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.125" Max Individual Width: 0.094" Max Cumulative Length: 0.375" in 4.500"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.141" Max Size of Isolated Internal Porosity: 0.188"Max Sum of diameters of Aligned Porosity: 0.563" in a 4.500" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.125"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.094" Max Size of Isolated Internal Porosity: 0.125"Max sum of diameters of Aligned Porosity: 0.375" in a 4.500" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 0.750"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.336" Extra Strong - 0.500" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5

F/S Hole: 15 F/S Wire: 0.010 Esn. Wire: A1 or B6Welds with reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 S/S Wire: 0.013 Esn. Wire: B5Maximum allowable reinforcement: 0.125" Total of wall + reinforcement: 0.625"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.000" Max Individual Width: 0.125" Max Cumulative Length: 2.000" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.167" Max Individual Width: 0.094" Max Cumulative Length: 0.500" in 6.000"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.188" Max Size of Isolated Internal Porosity: 0.250"Max Sum of diameters of Aligned Porosity: 0.750" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.125" Max Size of Isolated Internal Porosity: 0.167"Max sum of diameters of Aligned Porosity: 0.500" in a 6.000" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"

s

B31.336" s/40 - 0.750" Wall

PENETRAMETER SELECTIONNote: The letter refers to the ASTM set, the number is how many wires must be visible from largest to smallest.Welds without reinforcement: S/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4

F/S Hole: 17 F/S Wire: 0.013 Esn. Wire: B5Welds with reinforcement: S/S Hole: 25 S/S Wire: 0.020 Esn. Wire: B3

F/S Hole: 20 S/S Wire: 0.016 Esn. Wire: B4Maximum allowable reinforcement: 0.156" Total of wall + reinforcement: 0.906"CRACKS AND LACK OF FUSIONNone Allowed

INCOMPLETE PENETRATIONNormal ServiceGirth and Miter Groove, Branch Connections: Max 1.5" in a 6" length of weld.Longitudinal Groove: None allowed

Severe CyclicGirth and Miter Groove, Branch Connections, and Longitudinal Groove: None allowed

SLAG INCLUSION, TUNGSTEN INCLUSION, OR ELONGATED INDICATIONNormal ServiceMax Individual Length: 1.500" Max Individual Width: 0.125" Max Cumulative Length: 3.00" in 6" of weld

Severe Cyclic ConditionsMax Individual Length: 0.250" Max Individual Width: 0.094" Max Cumulative Length: 0.750" in 9.00"/w

UNDERCUTTINGNormal Services: Not a factor for normal service

Severe Cyclic: Zero allowed

CONCAVE ROOT SURFACE (SUCK-UP)Normal Service and Severe Cyclic: Unacceptable if concave root is darker than the wall

INTERNAL POROSITYRelevant Indication: 0.031

Normal Services:

Max Size of Random Internal Porosity: 0.234" Max Size of Isolated Internal Porosity: 0.375"Max Sum of diameters of Aligned Porosity: 1.125" in a 9.00" length of weldMax group length of Aligned Internal Porosity: 0.375"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.500"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.5"

Severe Cyclic:Max size of Random Internal Porosity: 0.156" Max Size of Isolated Internal Porosity: 0.250"Max sum of diameters of Aligned Porosity: 0.750" in a 9.00" length of weldMax group length of Aligned Internal Porosity: 0.250"Max group length of Cluster Internal Porosity if 1 group is present in a 6" length of weld: 1.000"Max group length of Cluster Internal Porosity if more than 1 group is present in a 6" length of weld: 1.0"