CODAP 2010 Division 1 & 2Code for construction of unfired Pressure Vessels

Including the Addendum 03/2011 & Revision 10/2012

Part G (General)

Division 1 focuses on the fabrication of the most common unfired pressure vessels manufactured from the most common materialsDivision 2 specifies the criteria for fabrication of more complex unfired pressure vessels (including many innovations)

Specifies the organization of the code and regulations that may be applied to design and manufacture unfired pressure vesselsNew: discover the new chapters on serially produced unfired pressure vessel fabrication

Proposes a range of metallic materials with recommendations for specific context such as support, bolting and welding consumablesNew: the Code includes selection of grades of copper and copper alloys

Proposes methods for design and calculations (specific calculation rules, simplified or detailed fatigue analysis, limit load analysis…) applied to different kinds of unfired pressure vessel New: rules of calculation to design partial jacketed pressure vessel (heater tunnel / chiller)

Specifies for each kind of material the fabrication rules for unfired pressure vesselNew: find rules for fabrication of copper and copper alloys unfired pressure vessels, rules to take into account impact of several post weld heat treatment on mechanical properties of non-alloyed steels

Provides the rules of control, tests and inspection to be performed during the fabrication and moreover afterwardsNew: discover the new organization; it now fits the organization of all codes of construction from SNCT Publications

A database of 12 000 grades of ferrous and non-ferrous materials, from European, French, German and American specifications, to be used for pressure vessel fabrication. This database provides mechanical and physical characteristics (when available in the specification).

Part M (Materials)

Part C (Design and calculations)

Part F (Fabrication)

Part CE (Testing, proof tests and inspection)

BDMat included

Sales contact:

Muriel Van-MarleFax : +33 (0)1 47 17 62 77E-mail : snct-pub@snct.org

One of the many evolutions

• Ability to apply the code according to Russian

and Chinese regulations

• Alternative rules to design heat exchangers

(one or two fixed tubesheets)

• Requirements to apply the latest UT method:

Phased-array

• Requirements for using digital radiography as

an alternative to film radiography

• Calculation of pressure test for unfired

pressure vessel in creep service

Technical information and training sessions:

www.snct.org – Publications section (only in French version)

Sales contact:

Muriel Van-MarleFax : +33 (0)1 47 17 62 77E-mail : snct-pub@snct.org

Technical information and training sessions:

www.snct.org – Publications section (only in French version)

CODAP 2010 Division 1 & 2Code for construction of unfired Pressure Vessels

Including the Addendum 03/2011 & Revision 10/2012

CODAP® Division 2 : 2010 • Part G – GENERAL Annex GA7 – RECOMMENDATIONS RELATING TO APPLICATION OF CODAP® Division 2 : 2010 TO PRESSURE VESSELS SUBJECT TO

THE REQUIREMENTS OF THE RUSSIAN REGULATIONS

174

P (bar)

70

60

50

40

30

20

10

0

25 bar

16 bar

0,7 bar -100 -50 0 50 100 150 200 250 300 350 400 450 T (°C)

Table GA7.2.2-1: Vessel groups according to ref. [1]

Group 1: pressure > 0,7 bar, irrespective of temperature, fluids presenting a risk of explosion or flammability or fluids classified in hazard class 1 or 2 according to GOST 12.1.007

to Groups 2 to 4 : pressures and temperatures as defined in the graph above, all the fluids except for those covered by the group 1

Group 5a : pressure ≤ 0,7 bar, irrespective of temperature, fluids presenting a risk of explosion or flammability or fluids classified in hazard class 1, 2 or 3

Group 5b : pressure ≤ 0,7 bar, irrespective of temperature, fluids presenting a risk of explosion or flammability or fluids classified in hazard class 4

3 2

1

3

2

2

3

3 3

2

4

4

5a

2

5b

Application of CODAP 2010 regarding European regulation

Application of CODAP 2010 regarding

• Part G

CODAP® Division 2 : 2010 • Part C – DESIGN AND CALCULATIONS Section C9 – ADDITIONAL LOADS OTHER THAN PRESSURE

4024

Mfhmax = Maximum allowable value for the bending moment out of the plane Mfhapplied alone

Mfln = Bending limit moment for the branch considered separately

Mfp = Bending moment applied to the branch in the plane of the vessel (plane containing the shell and branch axes)

Mfpl = Limit moment for shell/branch intersection in the case of in-plane bending moment applied alone

Mfpmax = Maximum allowable value for in-plane bending moment Mfp applied alone

Mt = Torsional moment applied to the branch

Mtl = Limit moment for shell/branch intersection in the case of torsional moment applied alone

Mtln = Torsional limit moment for the branch considered separately

Mtmax = Maximum allowable value for the torsional moment Mt applied alone

p0, p1 = Parameters particularizing the general equation of the curves of the graphs C9.8.1-1 to C9.8.1-45 for given curve and range

P = Internal pressure

Pl = Limit pressure for the shell/branch intersection in the case of a pressure applied alone

Pln = Limit pressure for the shell without openings

Pmax = Maximum allowable value for the pressure applied alone

q1, q2 = Intermediate coefficients for the determination of the value of a weakening factor by interpolation

s = Parameter given in Tables C9.8.1-1b to C9.8.1-45b

infs ,

sups= Intermediate parameters defined in

C9.8.1.3.2c

Mfh

Mfp

MtF

Figure C9.8.1-1

│E

10/12 │

││T

10/12 │││External loads

on nozzle• Part C

CODAP® Division 2 : 2010 • Part F – FABRICATION Annex FA7 –EFFECT OF POSTWELD HEAT TREATMENT ON THE MECHANICAL PROPERTIES OF NON-ALLOY, LOW-ALLOY AND

ALLOY STEELS

6297

H

15

16

17

18

19

20

21

22

23

500 520 540 560 580 600 620 640 660 680 700

1000 h

100 h

25 h

10 h

1 h

1h30

3 h

5 h

Stress relieving annealing temperature (in °C)

Graph FA7.2.3.1.1 – Hollomon parameter value as a function of temperature and holding time.

│T

10/12│

CODAP® Division 2 : 2010 • Part F – FABRICATION Annex FA7 –EFFECT OF POSTWELD HEAT TREATMENT ON THE MECHANICAL PROPERTIES OF NON-ALLOY, LOW-ALLOY AND

ALLOY STEELS

6297

H

15

16

17

18

19

20

21

22

23

500 520 540 560 580 600 620 640 660 680 700

1000 h

100 h

25 h

10 h

1 h

1h30

3 h

5 h

Stress relieving annealing temperature (in °C)

Graph FA7.2.3.1.1 – Hollomon parameter value as a function of temperature and holding time.

│T

10/12│

Effect of postweld heat treatment

on the mechanical properties of non-alloy steels

• Part F

CODAP® Division 2 : 2010 • Part CE – TESTING – PROOF TESTS – INSPECTION Annex CEA9 – ULTRASONIC TESTING WITH PHASED ARRAYS

7637

The steering and focusing delay laws may be combined for steering the beam into a given direction and focusing it at a given point. The diagram of the combination of these two delay laws is represented in figure CEA9.1.2.3-3.

Figure CEA9.1.2.3-3 – Steering and focusing delay law

Note: The more the beam is steered (relative to the nominal probe angle), the more the risk of occurrence of grating lobes of large amplitude increases. This phenomenon is illustrated in Figure CEA9.1.2.3-4. The use of a wedge - for an examination with a refraction angle not equal to zero – enables the occurrence of grating lobes that are likely to interfere with the examination to be limited.

Note 1 : Main grating lobe

Note 2 : Array grating lobe

Figure CEA9.1.2.3-4 – Grating lobes

The receiving delay laws applied make it possible to put these elementary signals in phase; which are summed to form the signal received. In most cases, the transmitting and receiving delay laws are identical.

CEA9.1.2.4 – Implementation of the examination technique using phased array probes

CEA9.1.2.4.1 – Terms relating to examination technique using phased array probes

A shot refers to an acquisition performed with a delay law during transmission.

A sequence refers to the set of acquisitions obtained with the same combination of transmitting and receiving channels, i.e. for a fixed aperture of the probe. A sequence may be composed of one or severalshots.

The salvo refers to the set of acquisitions obtained (or delay laws applied) with the array in a mechanical position. A salvo may be composed of one or several sequences.

CEA9.1.2.4.2 - Types of electronic scanning used

The electronic scanning may be:

− Mono-sequential: This type of scanning includes only one sequence that may be composed of one or several shots. The set of shots of the sequence will be performed by the same elements.

− Multi-sequential: This type of scanning includes more than one sequence. Each sequence may be composed of one or several shots.

The phased array ultrasonic testing may be implemented with two different scanning types:

− linear electronic scanning: this scanning is multi-sequential. The position of the ultrasonic beam is modified electronically without moving the probe mechanically. (see Figure CEA9.1.2.4.2-1)

Figure CEA9.1.2.4.2-1 – Example of linear scanning - 60°.

− Sectorial (or angular) electronic scanning: this scanning is mono-sequential. The orientation (or refraction angle) of the ultrasonic beam is modified electronically (see Figure CEA9.1.2.4.2-2)

Figure CEA9.1.2.4.2-2 – Example of sectorial scanning - 45° - 70°.

CEA9.1.2.5 – Representation of the results

The ultrasonic testing with phased array probes enables more elaborate modes of representation to be used than in case of conventional ultrasonic testing (with a mono-element probe) (see Figure CEA9.1.2.5-1).

Note 1 Note 2

Phased Arrays NDT

• Part CE

Example of linear scanning - 60°

Chinese regulation Russian regulation

• Part M

Hollomon parameter value as a function of temperature and holding time

CODAP® Division 2 : 2010 • Part G – GENERAL

Annex GA5 – 1ST PART – APPLICATION OF CODAP® Division 2 : 2010 TO PRESSURE VESSELS SUBJECT TO THE ESSENTIAL SAFETY REQUIREMENTS OF THE EUROPEAN EQUIPMENT DIRECTIVE 97/23/EC

AND OF ITS TRANSPOSITIONS INTO NATIONAL LAWS

50

P (bar)

10 000

1000

100

10

1

0,5

200 bar

0,1 1 10 100 1000 10000 V (liter)

Table GA5.2.3-1 - Vessels intended to contain "gases" of Group 1

Note: Exceptionally, vessels intended to contain an unstable gas and falling within hazard categories I or II, shall be classified in category III

Art.3.3 Not

concerned by the hazard categories

PS.V = 25 bar.l

PS.V = 50 bar.l

PS.V = 200 bar.l

PS.V = 1000 bar.l

Out of the scope of the Directive/Decree

IV III II I

CODAP® Division 2 : 2010 • Part G – GENERAL

Annex GA6 – RECOMMENDATIONS RELATING TO APPLICATION OF CODAP® Division 2 : 2010 TO PRESSURE VESSELS SUBJECT TO THE REQUIREMENTS OF THE CHINESE REGULATIONS

165

P (bar)

1000

100

10

1

0,5

16 bar

0,1 1 10 102 103 104 105 106 107 108 V (liter)

Table GA6.2.5-1 : Fluids of category 1

PS.V = 5 105 bar.l

Not subject to regulations

III

II

PS.V = 107 bar.l

PS.V = 25 bar.l

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Code for construction of unfired Pressure Vessels

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Code for construction of unfired Pressure Vessels

November 2010 Edition + Addendum 03/2011 + Revision 10/2012

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