PIPE, BUTTWELD FITTINGS & FLANGES

THE ALLOY SPECIALISTSGENERAL DIMENSIONS AND DATA

Hackney Ladish is recognized worldwide as one of the most versatile fittings producers

in the world, serving an ever-growing domestic and international customer base for

over a century. The product line ranges from commodity fittings to high-end, heavy-

wall fittings and components, serving high-pressure requirements, heat severity, and

cryogenic applications. Fittings are produced in a variety of materials, in diameters

from 2 inches (50.8mm) to 48 inches (1,219mm), and in wall thicknesses from .154

inches (3.91mm) to 2.344 inches (59.54mm). The high quality products serve a broad

range of industries, from gas distribution to pipelines and commercial construction.

Hackney Ladish fittings are marketed worldwide through authorized distributors

carefully selected from outstanding supply organizations. Known for exceptional

workmanship and highest quality, the superior line of products is utilized by a variety

of energy, and industrial market segments.

The Hackney Ladish plant facilities at Enid, Oklahoma and Russellville, Arkansas span a

combined 380,000 square feet of production space, and manufacture an extraordinary

variety of commodity fittings from a range of materials. Core commodity products as

well as special fittings are produced for a myriad of applications worldwide. In addition

to customized production orders and schedules, the Hackney Ladish facilities inventory

numerous items in both carbon steel, high yield, and low-temp materials.

PCC Energy Group provides alloy solutions to solve the most critical challenges in the

energy market. Our alloy development and solution services have created over 85% of

the nickel alloys in the energy market. In addition, PCC Energy Group’s unique set of

assets can produce pipe, tubing, fittings, forgings, sheet, plate, foil, wire, rod, solid bar,

and ingot product needs in a wide selection of materials and sizes.

By merging the capabilities of Wyman Gordon, Hackney Ladish, Special Metals,

PCC Rollmet, and PCC KLAD, PCC Energy Group offers a streamlined supply chain

to the international energy market. With plants throughout North America, Europe,

Asia, Australia, and the Middle East, our production is favorably positioned for more

convenient and expedient global service.

As part of Precision Castparts Corp. (NYSE: PCP), PCC Energy Group has a long history

of superb quality and service to the energy market.

With unparalleled experience in nickel alloy, alloy steel, and stainless steel, the PCC

Energy Group technical team is capable of solving your most difficult alloy and forging

challenges. Our products and solutions are used in a broad range of industries,

including power generation, oil and gas, general industrial, and petrochemical, as well

as for varied mechanical and structural applications using tubular products.

We’re setting a new pace in turnkey capabilities for markets around the world. Where

you are, we’re there, with the high quality products you’ve come to expect from us.

43

Index

Types of Fittings ......................................................................................................................................4

Dimensions of Seamless & Welded Pipe .................................................................................. 5 - 8

General Dimensions for Welding Fittings

Elbows, Caps .............................................................................................................................9 & 10

Reducers, Straight Tees, Reducing Tees ........................................................................ 11 - 14

Dimensional Tolerances for Welding Fittings .................................................................... 15 & 16

How to Cut Segments from Elbows ...................................................................................... 17 & 18

Types of Flanges ........................................................................................................................ 19 & 20

General Dimensions for Forged Steel Flanges

Class 150 ...........................................................................................................................................21

Class 300 ...........................................................................................................................................22

Class 600 ...........................................................................................................................................23

Class 900 ...........................................................................................................................................24

Class 1500 ........................................................................................................................................25

Class 2500 ........................................................................................................................................26

Dimensional Tolerances for Flanges .................................................................................... 27 & 28

Useful Data and Tables

Decimal Equivalent Chart .............................................................................................................29

Types of Fittings

Manufacturing and Material StandardsFittings covered in this booklet are only the most commonly used types, grades and

sizes. For complete information on these and other types of WG Hackney Ladish

welding fittings, contact your distributor, visit our web site www.pccenergygroup.com

or call toll free 800-527-4500.

Dimensions***: ANSI B36.10, ANSI B16.9, ANSI B16.28**All dimensions are shown in inches.

Tees Reducing

45° Elbows

90° Reducing Elbows

Reducers Concentric

90° Elbows

45° and 90° 3R Elbows

Reducers Eccentric

Caps

Tees Straight

5 6

Dimensions of Seamless and Welded PipeANSI B36.10 API Std. 5LNominal Wall Thickness for all Schedules with - 12.5% Values

Nom Size

Nom. OD Sch.5 Sch.10 Gas Dist. Sch.20 STD. Sch 30 Sch. 40 XS Nom.Size

ID Wall ID Wall ID Wall ID Wall ID Wall ID Wall ID Wall ID Wall

⅛ .405 … … … … … … … … .269 .068(.060) ... ... STD .215 .095(.083) ⅛

¼ .540 … … … … … … … … .364 .088(.077) ... ... STD .302 .119(.104) ¼

⅜ .675 … … … … … … .. .493 .091(.080) ... ... STD .423 .126(.110) ⅜

½ .840 … … … … … … … … .622 .109(.096) ... ... STD .546 .147(.129) ½

¾ 1.050 .920 .065(.057) .884 .083(.073) … … … … .824 .113(.099) ... ... STD .742 .154(.135) ¾

1 1.315 1.185 .065(.057) 1.097 .109(.095) … … … … 1.049 .133(.116) ... ... STD .957 .179(.157) 1

1 ¼ 1.660 1.530 .065 (.057) 1.442 .109(.095) … … … … 1.380 .140(.122) ... ... STD 1.278 .191(.167) 1 ¼

1 ½ 1.900 1.770 .065(.057) 1.682 .109(.095) … … … … 1.610 .145(.127) ... ... STD 1.500 .200(.175) 1 ½

2 2.375 2.245 .065(.057) 2.157 .109(.095) … … … … 2.067 .154(.135) STD 1.939 .218(.191) 2

2 ½ 2.875 2.709 .083 (.073) 2.635 .120(.105) … … … … 2.469 .203(.178) ... ... STD 2.323 .276(.242) 2 ½

3 3.500 3.334 .083(.073) 3.260 .120(.105) … … … … 3.068 .216(.189) ... ... STD 2.900 .300(.262) 3

3 ½ 4.000 3.834 .083(.073) 3.760 .120(.105) … … … … 3.548 .226(.198) ... ... STD 3.364 .318(.278) 3 ½

4 4.500 4.334 .083(.073) 4.260 .120(.105) 4.124 .188(.164) … … 4.026 .237(.207) ... ... STD 3.826 .337(.295) 4

5 5.563 5.345 .109(.095) 5.295 .134(.117) … … … … 5.047 .258(.226) ... ... STD 4.813 .375(.328) 5

6 6.625 6.407 .109(.095) 6.357 .134(.117) 6.187 .219(.192) … … 6.065 .280(.245) ... ... STD 5.761 .432(.378) 6

8 8.625 8.407 .109(.095) 8.329 .148(.130) 8.187 .219(.192) 8.125 .250(.219) 7.981 .322(.282) 8.071 .277(.242) STD 7.625 .500(.438) 8

10 10.750 10.482 .134(.117) 10.420 .165(.144) 10.312 .219(.192) 10.250 .250(219) 10.020 .365(.319) 10.136 .307(.269) STD 9.750 .500(.438) 10

12 12.750 12.438 .156(.136) 12.390 .180(.158) 12.250 .250(.192) 12.250 .250(.219) 12.000 .315(.328) 12.090 .330(.289) 11.938 .406(.355) 11.750 .500(.438) 12

14 14.000 … … 13.500 .250(.219) 13.500 .250(.192) 13.376 .250(.219) 13.250 .375(.328) STD 13.124 .438(.383) 13.000 .500(.438) 14

16 16.000 … … 15.500 .250(.219) 15.500 .250(.192) 15.376 .312(.273) 15.250 .375(.328) STD XS 15.000 .500(.438) 16

18 18.000 … … 17.500 .250(.219) 17.500 .250(.192) 17.376 .312(.273) 17.250 .375(.328) 17.124 .438(.383) 16.876 .562(.492) 17.000 .500(.438) 18

20 20.000 … … 19.500 .250(.219) 19.500 .250(.192) STD 19.250 .375(.328) XS 18.812 .594(.519) 19.000 .500(.438) 20

22 22.000 … … 21.500 .250(.219) … … STD 21.250 .375(.328) XS ... ... 21.000 .500(.438) 22

24 24.000 … … 23.500 .250(.219) 23.500 .250(.192) STD 23.250 .375(.328) 22.876 .562(.492) 22.624 .688(.602) 23.000 .500(.438) 24

26 26.000 … … 25.376 .312(.273) … … XS 25.250 .375(.328) ... ... ... ... 25.000 .500(.438) 26

28 28.000 … … 27.376 .312(.273) … … XS 27.250 .375(.328) 26.750 .625(.547) ... ... 27.000 .500(.438) 28

30 30.000 … … 29.376 .312(.273) … … XS 29.250 .375(.328) 28.750 .625(.547) ... ... 29.000 .500(.438) 30

32 32.000 … … 31.376 .312(.273) … … XS 31.250 .375(.328) 30.750 .625(.547) 30.624 .688(.602) 31.000 .500(.438) 32

34 34.000 … … 33.376 .312(.273) … … XS 33.250 .375(.328) 32.750 .625(.547) 32.624 .688(.602) 33.000 .500(.438) 34

36 36.000 … … 35.376 .312(.273) … … XS 35.250 .375(.328) 34.750 .625(.547) 34.500 .750(.656) 35.000 .500(.438) 36

38 38.000 … … … … … … … … 37.250 .375(.328) ... ... ... ... ... .500(.438) 38

40 40.000 … … … … … … … … 39.250 .375(.328) ... ... ... ... ... .500(.438) 40

42 42.000 … … … … … … … … 41.250 .375(.328) 40.750 .625(.547) 40.500 .750(.656) 41.000 .500(.438) 42

44 44.000 … … … … … … … … 43.250 .375(.328) ... ... ... ... 43.000 .500(.438) 44

46 46.000 … … … … … … … … 45.250 .375(.328) ... ... ... ... 45.000 .500(.438) 46

48 48.000 … … … … … … … … 47.250 .375(.328) ... ... ... ... 47.000 .500(.438) 48

Number in ( ) in Wall Thickness Column is Minimum Wall.

7 8

Nom. Size

Nom.OD

Sch. 60 Sch. 80 Sch. 100 Sch. 120 Sch. 140 Sch. 160 XXS API Nom Size

ID Wall ID Wall ID Wall ID Wall ID Wall ID Wall ID Wall ID Wall

⅛ .405 ... ... XS ... ... ... ... ... ... ... ... ... ... ... ... ⅛

¼ .540 ... ... XS ... ... ... ... ... ... ... ... ... ... ... ... ¼

⅜ .675 ... ... XS ... ... ... ... ... ... ... ... ... ... ... ... ⅜

½ .840 ... ... XS ... ... ... ... ... ... .464 .188(.165) .252 .294(.257) ... ... ½

¾ 1.050 ... ... XS ... ... ... ... ... ... .612 .219(.192) .434 .308(.270) ... ... ¾

1 1.315 ... ... XS ... ... ... ... ... ... .815 .250(.219) .599 .358(.313) ... ... 1

1 ¼ 1.660 ... ... XS ... ... ... ... ... ... 1.160 .250(.219) .896 .382(.334) ... ... 1 ¼

1 ½ 1.900 ... ... XS ... ... ... ... ... ... 1.338 .281(.246) 1.100 .400(.350) ... ... 1 ½

2 2.375 ... ... XS ... ... ... ... ... ... 1.687 .344(.301) 1.503 .436(.382) ... ... 2

2 ½ 2.875 ... ... XS ... ... ... ... ... ... 2.125 .375(.328) 1.771 .552(.483) ... ... 2 ½

3 3.500 ... ... XS ... ... ... ... ... ... 2.624 .438(.383) 2.300 .600(.525) 3.250 .125(.109) 3

3 ½ 4.000 ... ... XS ... ... ... ... ... ... ... ... 2.728* .636(.557)* ... ... 3 ½

4 4.500 ... ... XS ... ... 3.624 .438(.383) ... ... 3.438 .531(.465) 3.152 .674(.590) 4.250 .125(.109) 4

5 5.563 ... ... XS ... ... 4.563 .500(.438) ... ... 4.313 .625(.547) 4.063 .750(.656) ... ... 5

6 6.625 ... ... XS ... ... 5.501 .562(.492) ... ... 5.187 .719(.629) 4.897 .864(.756) 6.313** .156(.136) 6

8 8.625 7.813 .406(.355) XS 7.437 .594 (.520) 7.187 .719(.629) .10.020 .216(.189) 6.813 .906(.793) 6.875 .875(.766) 8.281** .172(.150) 8

10 10.750 XS 9.562 .594(.520) .9312 .719(.629) 9.062 .844(.739) 12.000 .266(.198) 8.500 1.125(.984) SCH. 140 10.374 .188(.164) 10

12 12.750 11.626 .562(.492) 11.374 .688(.602) 11.062 .844(.738) 10.750 1.000(.875) 13.250 .237(.207) 10.126 1.312(1.148) SCH. 120 12.344 .203(.178) 12

14 14.000 12.812 .594(.520) 12.500 .750(.656) 12.124 .938(.821) 11.812 1.094(.957) 15.250 .258(.226) 11.188 1.406(1.230) ... ... ... ... 14

16 16.000 14.688 .656(.574) 14.312 .844(.739) 13.938 1.031(.902) 13.562 1.219(1.067) 17.250 .280(.245 12.812 1.594(1.395) ... ... ... ... 16

18 18.000 16.500 .750(.656) 16.124 .938(.821) 15.688 1.156(.984) 15.250 1.375(1.203) 19.250 .322(.282) 14.438 1.781(1.558) ... ... ... ... 18

20 20.000 18.376 .812(.711) 17.938 1.031(.902) 17.438 1.281(1.121) 17.000 1.500(1.312) 21.250 .365(.319) 16.062 1.969(1.723) ... ... ... ... 20

22 22.000 20.250 .875(.766) 19.750 1.125(.984) 19.250 1.375(1.203) 18.750 1.625(1.422) 23.250 .375(.328) 17.750 2.125(1.859) ... ... ... ... 22

24 24.000 22.062 .969(.848) 21.562 1.219(1.067) 20.938 1.531(1.340) 20.376 1.812(1.586) 25.250 .375(.328) 19.312 2.344(2.051) ... ... ... ... 24

26 26.000 24.500 .750(202.3) 24.000 1.000(267.0) 23.500 1.250(330.4) 23.000 1.500(392.5) 22.000 2.000(512.6) 26

28 28.000 26.500 .750(218.3) 26.000 1.000(288.4) 25.500 1.250(357.1) 25.000 1.500(424.5) 24.000 2.000(555.4) 28

30 30.000 28.500 .750(234.3) 28.000 1.000(309.7) 27.500 1.250(383.8) 27.000 1.500(456.6) 26.000 2.000(598.1) 30

32 32.000 30.500 .750(250.3) 30.000 1.000(331.1) 29.500 1.250(410.5) 29.000 1.500(488.6) 28.000 2.000(640.8) 32

34 34.000 32.500 .750(266.3) 32.000 1.000(352.4) 31.500 1.250(437.2) 31.000 1.500(520.7) 30.000 2.000(683.5) 34

36 36.000 34.250 .875(328.2) 34.000 1.000(373.8) 33.500 1.250(463.9) 33.000 1.500(552.7) 32.000 2.000(726.2) 36

38 38.000 38

40 40.000 40

42 42.000 40.500 .750(330.4) 40.000 1.000(437.9) 39.500 1.250(544.0) 39.000 1.500(648.8) 38.000 2.000(854.4) 42

44 44.000 44

46 46.000 46

48 48.000 46.500 .750(378.5) 46.000 1.000(502.0) 45.500 1.250(624.1) 45.000 1.500(744.9) 44.000 2.000(982.6) 48

Dimensions of Seamless and Welded Pipe (cont.)ANSI B36.10 API Std. 5LNominal Wall Thickness for all Schedules with - 12.5% Values

*Not in ANSI B36.10 **Not in API Common Non-Schedule Walls noted in red.

9 10

Nom. Pipe SizeOutside

DiameterNominal Wall Thickness (4x)

A B D F† F‡ Nom. Pipe SizeStd XS 160 XXS

½ 0.840 .109 .147 .188 .294 1 ½ ⅝ ... 1 1 ½¾ 1.050 .113 .154 .219 .308 1 ½ 7/16 ... 1 1 ¾1 1.315 .133 .179 .250 .358 1 ½ ⅞ 1 1 ½ 1 ½ 11 ¼ 1.660 .140 .191 .250 .382 1 ⅞ 1 1 ¼ 1 ½ 1 ½ 1 ¼1 ½ 1.900 .145 .200 .281 .400 2 ¼ 1 ⅛ 1 ½ 1 ½ 1 ½ 1 ½2 2.375 .154 .218 .344 .436 3 1 ⅜ 2 1 ½ 1 ¾ 22 ½ 2.875 .203 .276 .375 .552 3 ¾ 1 ¾ 2 ½ 1 ½ 2 2 ½3 3.500 .216 .300 .438 .600 4 ½ 2 3 2 2 ½ 3 3 ½ 4.400 .226 .318 ... .636 5 ¼ 2 ¼ 3 ½ 2 ½ 3 3 ½4 4.500 .237 .337 .531 .674 6 2 ½ 4 2 ½ 3 45 5.563 .258 .375 .625 .750 7 ½ 3 ⅛ 5 3 3 ½ 56 6.625 .280 .432 .719 .864 9 3 ¾ 6 3 ½ 4 68 8.625 .322 .500 .906 .875 12 5 8 4 5 810 10.750 .365 .500 1.125 1.000 15 6 ¼ 10 5 6 1012 12.750 .375 .500 1.312 1.000 18 7 ½ 12 6 7 1214 14.000 .375 .500 1.406 ... 21 8 ¾ 14 6 ½ 7 ½ 1416 16.000 .375 .500 1.594 ... 24 10 16 7 8 1618 18.000 .375 .500 1.781 ... 27 11 ¼ 18 8 9 1820 20.000 .375 .500 1.969 ... 30 12 ½ 20 9 10 2022 22.000 .375 .500 2.125 ... 33 13 ½ 22 10 10 2224 24.000 .375 .500 2.344 ... 36 15 24 10 ½ 12 2426 26.000 .375 .500 ... ... 39 16 ... 10 ½ ... 2628 28.000 .375 .500 ... ... 42 17 ¼ 28 10 ½ ... 2830 30.000 .375 .500 ... ... 45 18 ½ 30* 10 ½ ... 3032 32.000 .375 .500 ... ... 48 19 ¾ 32 10 ½ ... 3234 34.000 .375 .500 ... ... 51 21 34 10 ½ ... 3436 36.000 .375 .500 ... ... 54 22 ¼ 36* 10 ½ ... 3638 38.000 .375 .500 ... ... 57 23.62 38 12 ... 3840 40.000 .375 .500 ... ... 60 24.88 40 12 ... 4042 42.000 .375 .500 ... ... 63 26 ... 12 ... 4244 44.000 .375 .500 ... ... 66 27.38 44 13 ½ ... 4446 46.000 .375 .500 ... ... 69 28.62 46 13 ½ ... 4648 48.000 .375 .500 ... ... 72 29.88 48 13 ½ ... 48

General Dimensions of Welding FittingsANSI B16.9ANSI B36.10ANSI B16.28

B

A

pg. 9

A D

D

† Applies for “XS” wall thickness and less‡ Applies for wall thickness greater than “XS”

This size not covered by ANSI B36 1½” at manufacturer’s option

* This size not covered by ANSI B16.9 ¾” at manufacturer’s option 2” at manufacturer’s option

F

A

A

pg. 8

11 12

Nom. Pipe Size

Outlet Outside Diameter

Nominal Wall ThicknessI J K

STD XS 160 XXS

3 3 3.500 .216 .300 .438 .600 3 ⅜ 3 ⅜ ...

2 ½ 2.875 .203 .276 .375 .552 3 ⅜ 3 ¼ 3 ½

2 2.375 .154 .218 .344 .436 3 ⅜ 3 3 ½

1 ½ 1.900 .145 .200 .281 .400 3 ⅜ 2 ⅞ 3 ½

1 ¼ 1.660 .140 .191 .250 .382 3 ⅜ 2 ¾ 3 ½

3 ½ 3 ½ 4.000 .226 .318 ... .636† 3 ¾ 3 ¾ ...

3 3.500 .216 .300 .438 .600 3 ¾ 3 ⅝ 4

2 ½ 2.875 .203 .276 .375 .552 3 ¾ 3 ½ 4

2 2.375 .154 .218 .344 .436 3 ¾ 3 ¼ 4

1 ½ 1.900 .145 .200 .281 .400 3 ¾ 3 ⅛ 4

4 4 4.500 .237 .337 .531 .674 4 ⅛ 4 ⅛ ...

3 ½ 4.000 .226 .318 ... 636† 4 ⅛ 4 4

3 3.500 .216 .300 .438 .600 4 ⅛ 3 ⅞ 4

2 ½ 2.875 .203 .276 .375 .552 4 ⅛ 3 ¾ 4

2 2.375 .154 .218 .344 .436 4 ⅛ 3 ½ 4

1 ½ 1.900 .1 45 .200 .281 .400 4 ⅛ 3 ⅜ 4

5 5 5.563 .258 .375 .625 .750 4 ⅞ 4 ⅞ ...

4 4.500 .237 .337 .531 .674 4 ⅞ 4 ⅝ 5

3 ½ 4.000 .226 .318 ... .636† 4 ⅞ 4 ½ 5

3 3.500 .216 .300 .438 .600 4 ⅞ 4 ⅜ 5

2 ½ 2.875 .203 .276 .375 .552 4 ⅞ 4 ¼ 5

2 2.375 .154 .218 .344 .436 4 ⅞ 4 ⅛ 5

6 6 6.625 .280 .432 .719 .864 5 ⅝ 5 ⅝ ...

5 5.563 .258 .375 .625 .750 5 ⅝ 5 ⅜ 5 ½

4 4.500 .237 .337 .531 .674 5 ⅝ 5 ⅛ 5 ½

3 ½ 4.000 .226 .318 ... .636† 5 ⅝ 5 5 ½

3 3.500 .216 .300 .438 .600 5 ⅝ 4 ⅞ 5 ½

2 ½ 2.875 .203 .276 .375 .552 5 ⅝ 4 ¾ 5 ½

Nom Pipe Size

Outlet Outside Diam.

Nominal Wall ThicknessI J K

STD XS 160 XXS

½ ½ .840 .109 .147 .188 .294 1 1 ...

⅜ .675 .091 .126 ... ... 1 1 ...

¾ ¾ 1.050 .113 .154 .219 .308 1 ⅛ 1 ⅛ ...

½ .840 .109 .147 .188 .294 1 ⅛ 1 ⅛ ½

1 1 1.315 .133 .179 .250 .358 1 ½ 1 ½ ...

¾ 1.050 .113 .154 .219 .308 1 ½ 1 ½ 2

½ .840 .109 .147 .188 .294 1 ½ 1 ½ 2

1 ¼ 1 ¼ 1.660 .140 .191 .250 .382 1 ⅞ 1 ⅞ ...

1 1.315 .133 .179 .250 .358 1 ⅞ 1 ⅞ 2

¾ 1.050 .113 .154 .219 .308 1 ⅞ 1 ⅞ 2

½ .840 .109 .147 .188 .294 1 ⅞ 1 ⅞ 2

1 ½ 1 ½ 1.900 .145 .200 .281 .400 2 ¼ 2 ¼ ...

1 ¼ 1.660 .140 .191 .250 .382 2 ¼ 2 ¼ 2 ½

1 1.315 .133 .179 .250 .358 2 ¼ 2 ¼ 2 ½

¾ 1.050 .133 .154 .219 .308 2 ¼ 2 ¼ 2 ½

½ .840 .109 .147 .188 .294 2 ¼ 2 ¼ 2 ½

2 2 2.375 .154 .218 .344 .436 2 ½ 2 ½ ...

1 ½ 1.900 .145 .200 .281 .400 2 ½ 2 ⅜ 3

1 ¼ 1.660 .140 .191 .250 .382 2 ½ 2 ¼ 3

1 1.315 .133 .179 .250 .358 2 ½ 2 3

¾ 1.050 .113 .154 .219 .308 2 ½ 1 ¾ 3

2 ½ 2 ½ 2.875 .203 .276 .375 .552 3 3 ...

2 2.375 .154 .218 .344 .436 3 2 ¾ 3 ½

1 ½ 1.900 .145 .200 .281 .400 3 2 ⅝ 3 ½

1 ¼ 1.660 .140 .191 .250 .382 .3 2 ½ 3 ½

1 1.315 .133 .179 .250 .358 3 2 ¼ 3 ½

General Dimensions of Welding Fittings (cont.)ANSI B16.9ANSI B36.10

pg. 10

J J

K K

† This size not covered by ANSI B36.10.

13 14

Nom. Pipe Sice

Outlet Outside Diam.

Nominal Wall ThicknessI J KSTD XS 160 XXS

8 8 8.625 .322 .500 .906 .875 7 7 ...

6 6.625 .280 .432 .719 .864 7 6 ⅝ 65 5.563 .258 .375 .625 .750 7 6 ⅜ 6

4 4.500 .237 .337 .531 .674 7 6 ⅛ 63 ½ 4.000 .226 .318 ... .636 7 6 6

10 10 10.750 .365 .500 1.125 1.000 8 ½ 8 ½ ...8 8.625 .322 .500 .906 .875 8 ½ 8 7

6 6.625 .280 .432 .719 .864 8 ½ 7 ⅝ 7

5 5.563 .258 .375 .625 .750 8 ½ 7 ½ 7

4 4.500 .237 .337 .531 .674 8 ½ 7 ¼ 7

12 12 12.750 .375 .500 1.312 1.000 10 10 ...

10 10.750 .365 .500 1.125 1.000 10 9 ½ 88 8.625 .322 .500 .906 .875 10 9 86 6.625 .280 .432 .719 .864 10 8 ⅝ 85 5.563 .258 .375 .625 .750 10 8 ½ 8

14 14 14.000 .375 .500 1.406 ... 11 11 ...12 12.750 .375 .500 1.312 ... 11 10 ⅝ 1310 10.750 .365 .500 1.125 ... 11 10 ⅛ 138 8.625 .322 .500 .906 ... 11 9 ¾ 136 6.625 .280 .432 .719 ... 11 9 ⅜ 13

16 16 16.000 .375 .500 1.594 ... 12 12 ...14 14.000 .375 .500 1.406 ... 12 13 1412 12.750 .375 .500 1.312 ... 12 11 ⅝ 1410 10.750 .365 .500 1.125 ... 12 11 ⅛ 148 8.625 .322 .500 .906 ... 12 10 ¾ 146 6.625 .280 .432 .719 ... 12 10 ⅜ 14

18 18 18.000 .375 .500 ... ... 13 ½ 13 ½ ...16 16.000 .375 .500 1.594 ... 13 ½ 13 1514 14.000 .375 .500 ... ... 13 ½ 13 1512 12.750 .375 .500 ... ... 13 ½ 12 ⅝ 15

10 10.750 .365 .500 ... ... 13 ½ 12 ⅛ 158 8.625 .322 .500 ... ... 13 ½ 11 ¾ 15

20 20 20.000 .375 .500 ... ... 15 15 ...

18 18.000 .375 .500 ... ... 15 14 ½ 2016 16.000 .375 .500 ... ... 15 14 2014 14.000 .375 .500 ... ... 15 14 2012 12.750 .375 .500 ... ... 15 13 ⅝ 20

10 10.750 .365 .500 ... ... 15 13 ⅛ 208 8.625 .322 .500 ... ... 15 12 ¾ 20

22 22 22.000 .375 .500 ... ... 16 ½ 16 ½ ...

20 20.000 .375 .500 ... ... 16 ½ 16 2018 18.000 .375 .500 ... ... 16 ½ 15 ½ 20

16 16.000 .375 .500 ... ... 16 ½ 15 20

General Dimensions of Welding Fittings (cont.)ANSI B16.9ANSI B36.10

Tees & Reducers (cont.)Nom. Pipe Size

Outlet Outside Diam.

Nominal Wall ThicknessI J KSTD XS 160 XXS

22 14 14.000 .375 .500 ... ... 16 ½ 15 2012 12.750 .375 .500 ... ... 16 ½ 14 ⅝ ...10 10.750 .365 .500 ... ... 16 ½ 14 ⅛ ...

24 24 24.000 .375 .500 ... ... 17 17 ...22 22.000 .375 .500 ... ... 17 17 2020 20.000 .375 .500 ... ... 17 17 2018 18.000 .375 .500 ... ... 17 16 ½ 2016 16.000 .375 .500 ... ... 17 16 2014 14.000 .375 .500 ... ... 17 16 2012 12.750 .375 .500 ... ... 17 15 ⅝ 2010 10.750 .365 .500 ... ... 17 15 ⅛ 20

26 26 26.000 .375 .500 ... ... 19.50 19.50 ...24 24.000 .375 .500 ... ... 19.50 19.00 24.0022 22.000 .375 .500 ... ... 19.50 18.50 24.0020 20.000 .375 .500 ... ... 19.50 18.00 24.0018 18.000 .375 .500 ... ... 19.50 17.50 24.0016 16.000 .375 .500 ... ... 19.50 17.00 ...14 14.000 .375 .500 ... ... 19.50 17.00 ...12 12.750 .375 .500 ... ... 19.50 16.62 ...

28 28 28.000 .375 .500 ... ... 20.50 20.50 ...26 26.000 .375 .500 ... ... 20.50 20.50 2424 24.000 .375 .500 ... ... 20.50 20.00 2422 22.000 .375 .500 ... ... 20.50 19.50 2420 20.000 .375 .500 ... ... 20.50 19.00 2418 18.000 .375 .500 ... ... 20.50 18.50 ...16 16.000 .375 .500 ... ... 20.50 18.00 ...14 14.000 .375 .500 ... ... 20.50 18.00 ...12 12.750 .375 .500 ... ... 20.50 .17.62 ...

30 30 30.000 .375 .500 ... ... 22 22 ...24 24.000 .375 .500 ... ... 22 21 2422 22.000 .375 .500 ... ... 22 20 ½ 2420 20.000 .375 .500 ... ... 22 20 2418 18.000 .375 .500 ... ... 22 19 ½ ...16 16.000 .375 .500 ... ... 22 19 ...

32 32 32.000 .375 .500 ... ... 23.50 23.50 ...30 30.000 .375 .500 ... ... 23.50 23.00 24.0028 28.000 .375 .500 ... ... 23.50 22.50 24.0026 26.000 .375 .500 ... ... 23.50 22.50 24.0024 24.000 .375 .500 ... ... 23.50 22.00 24.0022 22.000 .375 .500 ... ... 23.50 21.50 ...20 20.000 .375 .500 ... ... 23.50 21.00 ...18 18.000 .375 .500 ... ... 23.50 20.50 ...16 16.000 .375 .500 ... ... 23.50 20.00 ...14 14.000 .375 .500 ... ... 23.50 220.00 ...

pg. 10

J J

K K

† This size not covered by ANSI B36.10.

15 16

Dimensional Tolerances for Welding Fittings

Butt Welding Fittings

The tolerances shown are in accordance with the dimensional tolerances approved by

the American National Standards Institute (ANSI B16.9) for all carbon and alloy fittings,

except Short Radius Elbows and Returns. Those are governed by ANSI B16.28.

This End Flush Against Square

All Fittings

90 Deg. and 45 Deg. Elbows and

Tees

Reducers and Lap

Joint Stub Ends

Caps

Nominal Pipe Size

(NPS)

Outside (1) Diameter at

Bevel

Inside (1) Diameter at

End

Wall (2) Thickness

t

Center- to-End

Dimension A, D, J

Overall Length

K

Overall Length

F

½ to 2 ½ +0.06 ±0.03

Not lessthan

87.5% ofnominal

thickness

±0.06 ±0.06 ±0.12

-0.03

3 to 3 ½ ±0.06 ±0.06 ±0.06 ±0.06 ±0.12

4 ±0.06 ±0.06 ±0.06 ±0.06 ±0.12

5 to 8 +0.09 ±0.06 ±0.06 ±0.06 ±0.25

-0.06

10 to 18 +0.16 ±0.12 ±0.09 ±0.09 ±0.25

-0.12

20 to 24 +0.25 ±0.19 ±0.09 ±0.09 ±0.25

-0.19

26 to 30 +0.25 ±0.19 ±0.12 ±0.19 ±0.38

-0.19

32 to 40 +0.25 +0.19 +0.19 +0.19 +0.38

-0.19

Nominal Pipe Size

Angularity Tol.

Off Angle Q Off Plane P

½ to 4 0.03 0.06

5 to 8 0.06 0.12

10 to 12 0.09 0.19

14 to 16 0.09 0.25

18 to 24 0.12 0.38

26 to 30 0.19 0.38

32 to 42 0.19 0.50

44 to 48 0.19 0.75

All dimensions are in inches.(1) Out-of-round is the sum of absolute values of plus and minus tolerance.(2) The inside diameter at ends and the nominal wall thicknesses are to be specified by the purchaser.

pg. 14

Q

Q

Q Q

Q

Q Q

Q P

17 18

How to Cut Segments from Elbows Long Radius Long Radius

Nom. Pipe Size

“Outside Arc Length” Nom. Pipe Size

“Outside Arc Length”

1˚ 5˚ 10˚ 15˚ 22 ½˚ 30˚ 45˚ 1˚ 5˚ 10˚ 15˚ 22 ½˚ 30˚ 45˚

2” 5/16 ⅜ 23/32 1 3/32 1 21/32 2 3/16 3 9/32 2” 1/32 5/32 5/16 15/32 23/32 15/16 1 7/16

2 ½” 3/32 7/16 29/32 1 11/32 2 1/32 2 23/32 4 5/64 2 ½” 3/64 3/16 13/32 19/32 29/32 1 7/32 1 13/16

3” 7/64 9/16 1 3/32 1 ⅝ 2 15/32 3 9/32 4 29/32 3” 3/64 ¼ 15/32 23/32 1 3/32 1 7/16 2 5/32

3” ⅛ ⅝ 1 9/32 1 29/32 2 27/32 3 13/16 5 11/16 3” 1/16 9/32 9/16 27/32 1 9/32 1 11/16 2 9/16

4” 9/64 23/32 1 7/16 2 5/32 3 ¼ 4 5/16 6 15/32 4” 1/16 5/16 21/32 31/32 1 15/32 1 31/32 2 15/16

5” 3/16 29/32 1 25/32 2 1/16 4 1/32 5 ⅜ 8 1/16 5” 5/64 13/32 13/16 1 ¼ 1 27/32 2 15/32 3 23/32

6” 7/32 1 1/16 2 5/32 3 7/32 4 27/32 6 7/16 9 11/16 6” 3/32 ½ 1 1 ½ 2 7/32 2 31/32 4 15/16

8” 9/32 1 7/16 2 27/32 4 9/32 6 13/32 8 17/32 12 13/16 8” ⅛ 21/32 1 11/32 2 3 1/32 4 1/32 6 1/32

10” 11/32 1 25/32 3 9/16 5 11/32 8 10 21/32 16 10” 5/32 27/32 1 11/16 2 17/32 3 25/32 5 1/32 7 9/16

12” 7/16 2 ⅛ 4 ¼ 6 ⅜ 9 9/16 12 ¾ 19 5/32 12” 3/16 1 1/64 2 1/32 3 1/16 4 9/16 6 3/32 9 ⅛

14” ½ 2 7/16 4 ⅞ 7 5/16 11 14 21/32 22 14” ¼ 1 7/32 2 7/16 3 21/32 5 ½ 7 11/32 11

16” 9/16 2 25/32 5 19/32 8 ⅜ 12 9/16 16 ¾ 25 ⅛ 16” 9/32 1 13/32 2 25/32 4 3/16 6 9/32 8 ⅜ 12 9/16

18” ⅝ 3 5/32 6 9/32 9 7/16 14 ⅛ 18 27/32 28 9/32 18” 5/16 1 9/16 3 ⅛ 4 23/32 7 1/16 9 7/16 14 ⅛

20” 11/16 3 ½ 7 10 15/32 15 23/32 20 15/16 31 13/32 20” 11/32 1 ½ 3 ½ 5 ¼ 7 27/32 10 15/32 15 23/32

22” 25/32 3 27/32 7 11/16 11 17/32 17 9/32 23 1/32 34 9/16 22” ⅜ 1 29/32 3 27/32 5 ¾ 8 ⅝ 11 17/32 17 9/32

24” 27/32 4 3/16 8 ⅜ 12 9/16 18 27/32 25 ⅛ 37 11/16 24” 13/32 2 3/32 4 3/16 6 9/32 9 7/16 12 9/16 18 27/32

26” 29/32 4 17/32 9 3/32 13 ⅝ 20 13/32 27 7/32 40 27/32 26” 15/32 2 9/32 4 17/32 6 13/16 10 7/32 13 ⅝ 20 13/32

28” 1 4 29/32 9 25/32 14 21/32 22 29 11/32 44 28” ½ 2 7/16 4 29/32 7 11/32 11 14 21/32 22

30” 1 1/16 5 ¼ 10 15/32 15 23/32 23 9/16 31 13/32 47 ⅛ 30” 17/32 2 ⅝ 5 ¼ 7 27/32 11 25/32 15 23/32 23 9/16

32” 1 ⅛ 5 19/32 11 3/16 17 ¾ 25 ⅛ 33 ½ 50 9/32 32” 9/16 2 13/16 5 19/32 8 ⅜ 12 9/16 16 ¾ 25 ⅛

34” 1 3/16 5 15/16 11 ⅞ 17 13/16 26 23/32 35 19/32 53 13/32 34” 19/32 2 31/32 5 15/16 8 29/32 13 ⅜ 17 13/16 26 23/32

36” 1 ¼ 6 9/32 12 9/16 18 27/32 28 9/32 37 11/16 56 9/16 36” ⅝ 3 5/32 6 9/32 9 7/16 14 ⅛ 18 27/32 28 9/32

38” 1 11/32 6 ⅝ 13 9/32 19 29/32 29 27/32 39 13/16 59 11/16 38” 11/16 3 5/16 6 ⅝ 9 31/32 14 15/16 19 29/32 29 27/32

40” 1 13/32 7 13 31/32 20 15/16 31 13/32 41 29/32 62 27/32 40” 23/32 3 ½ 7 10 15/32 15 23/32 20 15/16 31 13/32

42” 1 15/32 7 11/32 14 21/32 22 33 44 66 42” ¾ 3 21/32 7 11/32 11 16 ½ 22 33

44” 1 17/32 7 11/16 15 ⅜ 23 1/16 34 9/16 46 3/32 69 ⅛ 44” 25/32 3 27/32 7 11/16 11 17/32 17 9/32 23 1/32 34 9/16

46” 1 ⅝ 8 1/32 16 1/16 24 3/32 36 ⅛ 48 3/16 72 ¼ 46” 13/16 4 1/32 8 1/32 12 1/16 18 1/6 24 3/32 36 ⅛

48” 1 11/16 8 ⅜ 16 ¾ 25 5/32 37 23/32 50 9/32 75 13/32 48” 27/32 4 3/16 8 ⅜ 12 9/16 18 27/32 25 ⅛ 37 23/32

For Information Purposes Only For Information Purposes Only

1˚5˚10˚15˚

22½˚

30˚

45˚

1. Measure

distance on

outside arc

3. Wrap tape

around elbow

and mark

cutting line

2. Measure

distance on

inside arc

19 20

Socket Type Flange

Blind Flange

Welding Neck Flange

*These standards apply to carbon steel.

Types of Flanges

Manufacturing and Material Standards *

Flanges covered in this booklet are only the most commonly used types and sizes.

Dimensions: ANSI B16.5

Lap Joint Flange

Threaded Flange

Slip-On Flange

21 22

General Dimensions for Forged Steel Flanges

* Welding neck and socket type flange bores are same as I.D. of pipe to which they are welded. See table on pages 6 – 9. Socket diameter of socket tupe flange is the same as bore of slip-on flange.† Where applicable, includes 1/16” raised face. For Information only

Nom. Pipe Size

Outside Diam.

O

Flange Thickness

Q†

Diam. of

Raised Face F

Length Thru Hub Y† Drilling Bores* Nom. Pipe Size

Outside Diam. O

Flange Thickness

Q†

Diam. of

Raised Face F

Length Thry Hub Y† Drilling Bores*

Welding Neck

Third., Slip-

on and Socket

Lap Joint

No. & Sizes of Holes

Bolt Circle

Slip-on Lap Joint

Welding Neck

Third., Slip-on

and Socket

Lap Joint

No. & Sizes of Holes

Bolt Circle

Slip-on Lap Joint

½ 3 ½ 7/16 1 ⅜ 1 ⅞ ⅝ ⅝ 4-⅝ 2 ⅜ .88 .90 ½ 3 ¾ 9/16 1 ⅜ 2 1/16 ⅞ ⅞ 4-⅝ 2 ⅝ .88 .90

¾ 3 ⅞ ½ 1 11/16 2 1/16 ⅝ ⅝ 4-⅝ 2 ¾ 1.09 1.11 ¾ 4 ⅝ ⅝ 1 11/16 2 ¼ 1 1 4-¾ 2 ¾ 1.09 1.11

1 4 ¼ 9/16 2 2 3/16 11/16 11/16 4-⅝ 3 ⅛ 1.36 1.38 1 4 ⅞ 11/16 2 2 7/16 1 1/16 1 1/16 4-¾ 3 ⅛ 1.36 1.38

1 ¼ 4 ⅝ ⅝ 2 ½ 2 ¼ 13/16 13/16 4-⅝ 3 ½ 1.70 1.72 1 ¼ 5 ¼ ¾ 2 ½ 2 9/16 1 1/16 1 1/16 4-¾ 3 ½ 1.70 1.72

1 ½ 5 11/16 2 ⅞ 2 7/16 ⅞ ⅞ 4-⅝ 3 ⅞ 1.95 1.97 1 ½ 6 ⅛ 13/16 2 ⅞ 2 11/16 1 3/16 1 3/16 4-⅞ 3 ⅞ 1.95 1.97

2 6 ¾ 3 ⅝ 2 ½ 1 1 4-¾ 4 ¾ 2.44 2.46 2 6 ½ ⅞ 3 ⅝ 2 ¾ 1 5/16 1 5/16 8-¾ 4 ¾ 2.44 2.46

2 ½ 7 ⅞ 4 ⅛ 2 ¾ 1 ⅛ 1 ⅛ 4-¾ 5 ½ 2.94 2.97 2 ½ 7 ½ 1 4 ⅛ 3 1 ½ 1 ½ 8-⅞ 5 ½ 2.94 2.97

3 7 ½ 15/16 5 2 ¾ 1 13/16 1 3/16 4-¾ 6 3.57 3.60 3 8 ¼ 1 ⅛ 5 3 ⅛ 1 11/16 1 11/16 8-⅞ 6 3.57 3.60

3 ½ 8 ½ 15/16 5 ½ 2 13/16 1 ¼ 1 ¼ 8-¾ 7 4.07 4.10 3 ½ 9 1 3/16 5 ½ 3 3/16 1 ¾ 1 ¾ 8- ⅞ 7 4.07 4.10

4 9 15/16 6 3/16 3 1 5/16 1 5/16 8-¾ 7 ½ 4.57 4.60 4 10 1 ¼ 6 3/16 3 ⅜ 1 ⅞ 1 ⅞ 8-⅞ 7 ½ 4.57 4.60

5 10 15/16 7 5/16 3 ½ 1 7/16 1 7/16 8-⅞ 8 ½ 5.66 5.69 5 11 1 ⅜ 7 5/16 3 ⅞ 2 2 8-⅞ 8 ½ 5.66 5.69

6 11 1 8 ½ 3 ½ 1 9/16 1 9/16 8-⅞ 9 ½ 6.72 6.75 6 12 ½ 1 7/16 8 ½ 3 ⅞ 2 1/16 2 1/16 12-⅞ 9 ½ 6.72 6.75

8 13 ½ 1 ⅛ 10 ⅝ 4 1 ¾ 1 ¾ 8-⅞ 11 ¾ 8.72 8.75 8 15 1 ⅝ 10 ⅝ 4 ⅜ 2 7/16 2 7/16 12-1 11 ¾ 8.72 8.75

10 16 1 3/16 12 ¾ 4 1 15/16 1 15/16 12-1 14 ¼ 10.88 10.92 10 17 ½ 1 ⅞ 12 ¾ 4 ⅝ 2 ⅝ 3 ¾ 16-1 ⅛ 14 ¼ 10.88 10.92

12 19 1 ¼ 15 4 ½ 2 3/16 2 3/16 12-1 17 12.88 12.92 12 20 ½ 2 15 5 ⅛ 2 ⅞ 4 16-1 ¼ 17 12.88 12.92

14 21 1 ⅜ 16 ¼ 5 2 ¼ 3 ⅛ 12-1 ⅛ 18 ¾ 14.14 14.18 14 23 2 ⅛ 16 ¼ 5 ⅝ 3 4 ⅜ 20-1 ¼ 18 ¾ 14.14 14.18

16 23 ½ 1 7/16 18 ½ 5 2 ½ 3 7/16 16-1 ⅛ 21 ¼ 16.16 16.19 16 25 ½ 2 ¼ 18 ½ 5 ¾ 3 ¼ 4 ¾ 20-1 ⅜ 21 ¼ 16.16 16.19

18 25 1 9/16 21 5 ½ 2 11/16 3 13/16 16-1 ¼ 22 ¾ 18.18 18.20 18 28 2 ⅜ 21 6 ¼ 3 ½ 5 ⅛ 21-1 ⅜ 22 ¾ 18.18 18.20

20 27 ½ 1 11/16 23 5 11/16 2 ⅞ 4 1/16 20-1 ¼ 25 20.20 20.25 20 30 ½ 2 ½ 23 6 ⅜ 3 ¾ 5 ½ 24-1 ⅜ 25 20.20 20.25

24 32 1 ⅞ 27 ¼ 6 3 ¼ 4 ⅜ 20-1 ⅜ 29 ½ 24.25 24.25 24 36 2 ¾ 27 ¼ 6 ⅝ 4 3/16 6 24-1 ⅝ 29 ½ 24.25 24.25

26 26

28 28

30 30

32 32

34 34

36 36

* Welding neck and socket type flange bores are same as I.D. of pipe to which they are welded. See table on pages 6 and 7. Socket diameter of socket type flange is the same as bore of slip-on flange.† Where applicable, includes 1/16” raised face. For Information only

Q Y

FO

Q Y

FO

Q Y

F

Q

OF

O

YQ

Y

Q

OF

CLASS 150 CLASS 300

ANSI B16.5 ANSI B16.5A-105 A-105

23 24

* Welding neck and socket type flange bores are machined as specified by purchaser. Socket diameter is the same as bore of slip-on flange. Socket type flanges furnished thru 3 ½” N.P.S. only.† Does not include ¼” raised face.

General Dimensions for Forged Steel Flanges

* Welding neck, flange bores are machined as specified by purchaser. † Does not include ¼” raised face. For information only

Nom. Pipe Size

Outside Diam. O

Flange Thickness

Q†

Diam. of

Raised Face F

Length Thry Hub Y† Drilling Bores* Nom. Pipe Size

Outside Diam. O

Flange Thickness

Q†

Diam. of

Raised Face F

Length Thry Hub Y† Drilling Bores*

Welding Neck

Third., Slip-on

and Socket

Lap Joint

No. & Sizes of Holes

Bolt Circle

Slip-on

Lap Joint

Welding Neck

Third., Slip-on

and Socket

Lap Joint

No. & Sizes of Holes

Bolt Circle

Slip-on Lap Joint

½ 3 ¾ 9/16 1 ⅜ 2 1/16 ⅞ ⅞ 4-⅝ 2 ⅝ .88 .90 ½

SEE CLASS 1500

SEE CLASS 1500

SEE CLASS 1500

¾ 4 ⅝ ⅝ 1 11/16 2 ¼ 1 1 4-¾ 3 ¼ 1.09 1.11 ¾

1 4 ⅞ 11/16 2 2 7/16 1 1/16 1 1/16 4-¾ 3 ½ 1.36 1.38 1

1 ¼ 5 ¼ 13/16 2 ½ 2 ⅝ 1 ⅛ 1 ⅛ 4-¾ 3 ⅞ 1.70 1.72 1 ¼

1 ½ 6 ⅛ ⅞ 2 ⅞ 2 ¾ 1 ¼ 1 ¼ 4-⅞ 4 ½ 1.95 1.97 1 ½

2 6 ½ 1 3 ⅝ 2 ⅞ 1 7/16 1 7/16 8-¾ 5 2.44 2.46 2

2 ½ 7 ½ 1 ⅛ 4 ⅛ 3 ⅛ 1 ⅝ 1 ⅝ 8-⅞ 5 ⅞ 2.94 2.97 2 ½

3 8 ¼ 1 ¼ 5 3 ¼ 1 13/16 1 13/16 8-⅞ 6 ⅝ 3.57 3.60 3 9 ½ 1 ½ 5 4 2 ⅛ 2 ⅛ 8-1 7 ½ 3.57 3.60

3 ½ 9 1 ⅜ 5 ½ 3 ⅜ 1 15/16 1 15/16 8-1 7 ¼ 4.07 4.10 3 ½ ... ... ... ... ... ... ... ... ... ...

4 10 ¾ 1 ½ 6 3/16 4 2 ⅛ 2 ⅛ 8-1 8 ½ 4.57 4.60 4 11 ½ 1 ¾ 6 3/16 4 ½ 2 ¾ 2 ¾ 8-1 ¼ 9 ¼ 4.57 4.60

5 13 1 ¾ 7 5/16 4 ½ 2 ⅜ 2 ⅜ 8-1 ⅛ 10 ½ 5.66 5.69 5 13 ¾ 2 7 5/16 5 3 ⅛ 3 ⅛ 8-1 ⅜ 11 5.66 5.69

6 14 1 ⅞ 8 ½ 4 ⅝ 2 ⅝ 2 ⅝ 12-1 ⅛ 11 ¾ 6.72 6.75 6 15 2 3/16 8 ½ 5 ½ 3 ⅜ 3 ⅜ 12-1 ¼ 12 ½ 6.72 6.75

8 16 ½ 2 3/16 10 ⅝ 5 ¼ 3 3 12-1 ¼ 13 ¾ 8.72 8.75 8 18 ½ 2 ½ 10 ⅝ 6 ⅜ 4 4 ½ 12-1 ½ 15 ½ 8.72 8.75

10 20 2 ½ 12 ¾ 6 3 ⅜ 4 ⅜ 16-1 ⅜ 17 10.88 10.92 10 21 ½ 2 ¾ 12 ¾ 7 ¼ 4 ¼ 5 16-1 ½ 18 ½ 10.88 10.92

12 22 2 ⅝ 15 6 ⅛ 3 ⅝ 4 ⅝ 20-1 ⅜ 19 ¼ 12.88 12.92 12 24 3 ⅛ 15 7 ⅞ 4 ⅝ 5 ⅝ 20-1 ½ 21 12.88 12.92

14 23 ¾ 2 ¾ 16 ¼ 6 ½ 3 11/16 5 20-1 ½ 20 ¾ 14.14 14.18 14 25 ¼ 3 ⅜ 16 ¼ 8 ⅜ 5 ⅛ 6 ⅛ 20-1 ⅝ 22 14.14 14.18

16 27 3 18 ½ 7 4 3/16 5 ½ 20-1 ⅝ 23 ¾ 16.16 16.19 16 27 ¾ 3 ½ 18 ½ 8 ½ 5 ¼ 6 ½ 20-1 ¾ 24 ¼ 16.16 16.19

18 29 ¼ 3 ¼ 21 7 ¼ 4 ⅝ 6 20-1 ¾ 25 ¾ 18.18 18.20 18 31 4 21 9 6 7 ½ 20-2 27 18.18 18.20

20 32 3 ½ 23 7 ½ 5 6 ½ 24-1 ¾ 28 ½ 20.20 20.25 20 33 ½ 4 ¼ 23 9 ¾ 6 ¼ 8 ¼ 20-2 ⅛ 29 ½ 20.20 20.25

24 37 4 27 ½ 8 5 ½ 7 ¼ 24-2 33 24.25 24.25 24 41 5 ½ 27 ¼ 11 ½ 8 10 ½ 20-2 ⅝ 35 ½ 24.25 24.25

26 26

28 28

30 30

32 32

34 34

36 36

Q Y

FO

FO

Q Y

pg. 20 and 22

FO

Q Y

pg. 21 and 23

Q

O

Y

Q

OF

YQ

OF

CLASS 600 CLASS 900

ANSI B16.5 ANSI B16.5A-105 A-105

25 26

Nom. Pipe Size

Outside Diam. O

Flange Thickness

Q†

Diam. of Raised Face F

Length Thry Hub Y† Drilling Bores* Nom. Pipe Size

Outside Diam.

O

Flange Thickness

Q†

Diam. of

Raised Face F

Length Thry Hub Y† Drilling Bores*

Welding Neck

Third., Slip-on

and Socket

Lap Joint

No. & Sizes of Holes

Bolt Circle

Slip-on

Lap Joint

Weld-ing

Neck

Third., Slip-on

and Socket

Lap Joint

No. & Sizes of Holes

Bolt Circle

Slip-on

Lap Joint

½ 4 ¾ ⅞ 1 ⅜ 2 ⅜ 1 ¼ 1 ¼ 4-⅞ 3 ¼ .88 .90 ½ 5 ¼ 1 3/16 1 ⅜ 2 ⅞ 1 9/16 1 9/16 4-⅞ 3 ½ ... .90

¾ 5 ⅛ 1 1 11/16 2 ¾ 1 ⅜ 1 ⅜ 4-⅞ 3 ½ 1.09 1.11 ¾ 5 ½ 1 ¼ 1 11/16 3 ⅛ 1 11/16 1 11/16 4-⅞ 3 ¾ ... 1.11

1 5 ⅞ 1 ⅛ 2 2 ⅞ 1 ⅝ 1 ⅝ 4-1 4 1.36 1.38 1 6 ¼ 1 ⅜ 2 3 ½ 1 ⅞ 1 ⅞ 4-1 4 ¼ ... 1.38

1 ¼ 6 ¼ 1 ⅛ 2 ½ 2 ⅞ 1 ⅝ 1 ⅝ 4-1 4 ⅜ 1.70 1.72 1 ¼ 7 ¼ 1 ½ 2 ½ 3 ¾ 2 1/16 2 1/16 4-1 ⅛ 5 ⅛ ... 1.72

1 ½ 7 1 ¼ 2 ⅞ 3 ¼ 1 ¾ 1 ¾ 4-1 ⅛ 4 ⅞ 1.95 1.97 1 ½ 8 1 ¾ 2 ⅞ 4 ⅜ 2 ⅜ 2 ⅜ 4-1 ¼ 5 ¾ ... 1.97

2 8 ½ 1 ½ 3 ⅝ 4 2 ¼ 2 ¼ 8-1 6 ½ 2.44 2.46 2 9 ¼ 2 3 ⅝ 5 2 ¾ 2 ¾ 8-1 ⅛ 6 ¾ ... 2.46

2 ½ 9 ⅝ 1 ⅝ 4 ⅛ 4 ⅛ 2 ½ 2 ½ 8-1 ⅛ 7 ½ 2.94 2.97 2 ½ 10 ½ 2 ¼ 4 ⅛ 5 ⅝ 3 ⅛ 3 ⅛ 8-1 ¼ 7 ¾ ... 2.97

3 10 ½ 1 ⅞ 5 4 ⅝ 2 ⅞ 2 ⅞ 8-1 ¼ 8 ... 3.60 3 12 2 ⅝ 5 6 ⅝ 3 ⅝ 3 ⅝ 8-1 ⅜ 9 ... 3.60

3 ½ ... ... ... ... ... ... ... ... ... ... 3 ½ ... ... ... ... ... ... ... ... ... ...

4 12 ¼ 2 ⅛ 6 3/16 4 ⅞ 3 9/16 3 9/16 8-1 ⅜ 9 ½ ... 4.60 4 14 3 6 3/16 7 ½ 4 ¼ 4 ¼ 8-1 ⅝ 10 ¾ ... 4.60

5 14 ¾ 2 ⅞ 7 5/16 6 ⅛ 4 ⅛ 4 ⅛ 8-1 ⅝ 11 ½ ... 5.69 5 16 ½ 3 ⅝ 7 5/16 9 5 ⅞ 5 ⅞ 8-1 ⅞ 12 ¾ ... 5.69

6 15 ½ 3 ¼ 8 ½ 6 ¾ 4 11/15 4 11/15 12-1 ½ 12 ½ ... 6.75 6 19 4 ¼ 8 ½ 10 ¾ 6 6 8-2 ⅛ 14 ½ ... 6.75

8 19 3 ⅝ 10 ⅝ 8 ⅜ 5 ⅝ 5 ⅝ 12-1 ¾ 15 ½ ... 8.75 8 21 ¾ 5 10 ⅝ 12 ½ 7 7 12-2 ⅛ 17 ¼ ... 8.75

10 23 4 ¼ 12 ¾ 10 6 ½ 7 12-2 19 ... 10.92 10 26 ½ 6 ½ 12 ¾ 16 ½ 9 9 12-2 ⅝ 21 ¼ ... 10.92

12 26 ½ 4 ⅞ 15 11 ⅛ 7 ⅛ 8 ⅝ 16-2 ⅛ 22 ½ ... 12.92 12 30 7 ¼ 15 18 ¼ 10 10 16-2 ⅞ 24 ⅜ ... 12.92

14 29 ½ 5 ¼ 16 ¼ 11 ¾ ... 9 ½ 16-2 ⅜ 25 ... 14.18

16 32 ½ 5 ¾ 18 ½ 12 ¼ ... 10 ¼ 16-2 ⅝ 27 ¾ ... 16.19

18 36 6 ⅜ 21 12 ⅞ ... 10 ⅞ 16-2 ⅞ 30 ½ ... 18.20

20 38 ¾ 7 23 14 ... 11 ½ 16-3 ⅛ 32 ¾ ... 20.25

24 46 8 27 ¼ 16 ... 13 16-3 ⅝ 39 ... 24.25

26

28

30

32

34

36

* 8 Welding neck and socket type flange bores are machined as specified by purchaser. Socket diameter is the same as bore of slip-on flange.† Does not include ¼” raised face. For information only

General Dimensions for Forged Steel Flanges

* Welding neck and socket type flange bores are machined as specified by customer. † Does not include ¼” raised face. For information only

Q Y

FO

FO

Q Y

pg. 20 and 22

FO

Q Y

pg. 21 and 23

Q

O

Y

Q

OF

YQ

OF

CLASS 1500 CLASS 2500

ANSI B16.5 ANSI B16.5A-105 A-105

27 28

Threaded, lap joint, slip-on and blind flanges

ANSI B16.5

Welding neck flanges

ANSI B16.5

*This tolerance not covered by ANSI B16.5. Dimensions are approximate.

Dimensional Tolerances for Forged Steel Flanges

Outside Diameter of Hub (F)

12” and smaller + 3/32”*, -1/16”*

Over 12” ±⅛”*

Drilling Bolt Circle ± 1/16”*

Bolt hole spacing ±1/32”

Eccentricity between bolt circle diameter and machined facing diameter

2 ½ and smaller 1/32”MAX 3” and larger 1/16” Max

Overall height (E) On flanges 18” and smaller + ⅛”*, -1/32”*

On flanges larger than 18” +3/16”*, -1/16”*

Thickness (B) 18” and smaller + ⅛”*, -0”*

Over 18” +3/16”*, -0”*

Where allowance has been left on face for finish: All sizes

+⅛”*, -1/16”*

Drilling Bolt Circle ±1/16”

Bolt hole spacing ±1/32”

Eccentricity between bolt circle diameter and machined facing diameter

2 ½” and smaller 1/32” Max 3” and larger 1/16” Max

Width of Land All sizes ± 1/32”

Angle of Hub Bevel All sizes ±2 ½”*

Overall Height (E) 10” and smaller ±1/16”

12” and larger ± ⅛”

18” and smaller ± ⅛” -0”

Thickness (B) Over 18” ±3/16”, -0”

When allowance has been left on face for finish: All sizes

±⅛”, -1/16”

Outside Diameter (A) When O.D. is 24” or less ± 1/16”*

When O.D. is over 24” ± ⅛”*

Inside Diameter (D) Threaded Within limits on boring gauge

Slip-on and Lap Joint 10” and smaller +1/32”, -0” 12” and larger + 1/16”, -0”

Diameter of Contact Face (C)

1/16” Raised Face ±1/32”*

¼” Raised Face, Tongue and Groove, or Male and Female

±1/64”*

Diameter of Counterbore Same as for Inside Diameter

Outside Diameter (A) When O.D. is 24” or less ±1/16”*

When O.D. is over 24” ±⅛”*

Inside Diameter (D) 10” and smaller ± 1/32”*

12” and 18” ±1/16”*

Over 18” +⅛, -1/16”

Diameter of Contact Face (C)

1/16” Raised Face ±1/32”*

¼” Raised Face, Tongue and Groove, or Male and Female

± 1/64”*

Diameter of Hub at point Welding (G)

5” and smaller +3/32”, -1/32”

6” and larger +5/32”, -1/32”

Diameter of Hub at base (F) When “F” is 24” and smaller ±1/16”*

When “F” is 24” ±⅛”*

pg. 24

FD

C

B

1/16"

1/16"

37 1/2"

E

A

F

D

G

CA

B

E

1/16"

29

Decimal Equivalents

Equivalents of One Inch

1/64 = .015625 33/64 = .515625

1/32 = .03125 17/32 = .53125

3/64 = .046875 35/64 = .546875

1/16 = .0625 9/16 = .5625

5/64 = .178125 37/64 = .578125

3/32 = .09375 19/32 = .59375

7/64 = .109375 39/64 = .609375

⅛ = .125 ⅝ = .625

9/64 = .140625 41/64 = .640625

5/32 = .15625 21/32 = .65625

11/64 = .171875 43/64 = .671875

3/16 = .1875 11/16 = .6875

13/64 = .203125 45/64 = .703125

7/32 = .21875 23/32 = .71875

15/64 = .234375 47/64 = .734375

¼ = .25 ¾ = .75

17/64 = .265625 49/64 = .765625

9/32 = .28125 25/32 = .78125

19/64 = .296875 51/64 = .796875

5/16 = .3125 13/16 = .8125

21/64 = .328125 53/64 = .828125

11/32 = .34375 27/32 = .84375

23/64 = .359375 55/64 = .859375

⅜ = .375 ⅞ = .875

25/64 = .390625 57/64 = .890625

13/32 = .40625 29/32 = .90625

27/64 = .421875 59/64 = .921875

7/16 = .4375 15/16 = .9375

29/64 = .453125 61/64 = .953125

15/32 = .46875 31/32 = .96875

31/64 = .484375 63/64 = .984375

½ = .5 1 = 1

Wyman Gordon is supported by the world’s largest and most capable forging and extrusion presses. Pipe, forgings, casing, tubing and various products are produced in a wide range of materials and sizes.

Hackney Ladish is recognized as the leading manufacturer of carbon-steel and high-yield weld fittings in North America - and one of the largest and most versatile fittings producers in the world.

With a 100-year history of alloy tech-nology. Special Metals Corporation is recognized today as a world leader in the invention, production and supply of high-nickel, high-performance alloys. Special Metals brands include industry-leading alloys under the trademarked names of INCONEL, INCOLOY, NIMONIC and MONEL.

PCC Rollmet manufactures cold-worked seamless alloy and stainless steel pipes for the energy, petrochemical and general industrial industries. For the defense industry, propulsion system components are produced in a variety of sizes and wall thicknesses.

PCC KLAD provides a comprehensive and proven line of high quality clad piping components and customized cladding services to offer a practical, cost-efficient and permanent solution to piping corrosion for both high volume and specialty applications.

RathGibson is a worldwide manufacturer of precision engineered welded, welded and drawn and seamless tubing and pipe in straight lengths, coil and U-Bend configurations. Tubing alloys include stainless steel, nickel and titanium. RathGibson proudly serves diverseindustries such as power generation, renewable, oil and gas, petrochemical, chemical, food and dairy, beverage, pharmaceutical and general commercial.

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PUSHING WHAT’S POSSIBLE IN THE ENERGY INDUSTRYThe names that comprise PCC Energy Group have been on the forefront of the energy industry for decades. As part of PCC Energy Group, Hackney Ladish works to help you better tackle your toughest energy industry needs. Backed by the strength and leadership of our Fortune 500 parent company, Precision Castparts Corp., our engineers and metallurgists work closely with the world’s most innovative energy companies to identify high-performance applications where we can help enhance operational performance.