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ASTM A106/A106M

Date:2022-03-31View:341Tags:Hollow section,OCTG pipe,LSAW steel pipe

ASTM A106 / A106M – 11 Standard Specification forSeamless Carbon Steel Pipefor High-Temperature Servicein NPS 1/8 to NPS 48 inclusive, with nominal (average) wall thickness as given is ANSI B36.10. Pipe having other dimensions may be furnished provided such pipe complies with all other requirements of this specification. 

Pipe ordered under this specification shall be suitable for bending, flanging, and similar forming operations, and for welding. When the steel is to be welded, it is presupposed that a welding procedure suitable to the grade of steel and intended use or service will be utilized (Note 2).

O.D.(mm)　

Wall Thickness Unit(mm)


2

2.5

3

3.5

4

4.5

5

6

6.5-7

7.5-8

8.5-9

9.5-10

11

12

Φ25-Φ28

●

●

●

●

●

●









Φ32


●

●

●

●

●

●








Φ34-Φ36


●

●

●

●

●

●








Φ38


●

●

●

●

●

●








Φ40



●

●

●

●

●








Φ42



●

●

●

●

●








Φ45



●

●

●

●

●

●







Φ48-Φ60



●

●

●

●

●

●

●






Φ63.5




●

●

●

●

●

●

●





Φ68-Φ73





●

●

●

●

●

●





Φ76





●

●

●

●

●

●

●

●

●

●

Φ80





●

●

●

●

●

●

●

●

●

●

Φ83





●

●

●

●

●

●

●

●

●

●

Φ89





●

●

●

●

●

●

●

●

●

●

Φ95





●

●

●

●

●

●

●

●

●

●

Φ102





●

●

●

●

●

●

●

●

●

●

Φ108





●

●

●

●

●

●

●

●

●

●

Φ114






●

●

●

●

●

●

●

●

●

Φ121






●

●

●

●

●

●

●

●

●

Φ127






●

●

●

●

●

●

●

●

●

Φ133






●

●

●

●

●

●

●

●

●

Φ140







●

●

●

●

●

●

●

●

Φ146







●

●

●

●

●

●

●

●

Φ152







●

●

●

●

●

●

●

●

Φ159







●

●

●

●

●

●

●

●

Φ168







●

●

●

●

●

●

●

●


Nominal wall thickness for ASTM A106(Seamless and welded steel pipes)

NPS (in)

Outside Diameter (in)














ASTM A106 Grade B Pipe Schedule


SCH 10

SCH 20

SCH 30

SCH STD

SCH 40

SCH 60

SCH XS

SCH 80

SCH 100

SCH 120

SCH 140

SCH 160

SCH XXS

Wall Thickness (in)

1/8

0.405




0.068

0.068


0.095

0.095






1/4

0.54




0.088

0.088


0.119

0.119






3/8

0.675




0.091

0.091


0.126

0.126






1/2

0.84




0.109

0.109


0.147

0.147




0.187

0.294

3/4

1.05




0.113

0.113


0.154

0.154




0.219

0.308

1

1.315




0.133

0.133


0.179

0.179




0.25

0.358

1.25

1.66




0.14

0.14


0.191

0.191




0.25

0.382

1.5

1.9




0.145

0.145


0.2

0.2




0.281

0.4

2

2.375




0.154

0.154


0.218

0.218




0.344

0.436

2.5

2.875




0.203

0.203


0.276

0.276




0.375

0.552

3

3.5




0.216

0.216


0.3

0.3




0.438

0.6

3.5

4




0.226

0.226


0.318

0.318






4

4.5




0.237

0.237


0.337

0.337


0.438


0.531

0.674

5

5.563




0.258

0.258


0.375

0.375


0.5


0.625

0.75

6

6.625




0.28

0.28


0.432

0.432


0.562


0.719

0.864

8

8.625


0.25

0.277

0.322

0.322

0.406

0.5

0.5

0.594

0.719

0.812

0.906

0.875

10

10.75


0.25

0.307

0.365

0.365

0.5

0.5

0.594

0.719

0.844

1

1.125

1

12

12.75


0.25

0.33

0.375

0.406

0.562

0.5

0.688

0.844

1

1.125

1.312

1

14

14

0.25

0.312

0.375

0.375

0.438

0.594

0.5

0.75

0.938

1.094

1.25

1.406


16

16

0.25

0.312

0.375

0.375

0.5

0.656

0.5

0.844

1.031

1.219

1.438

1.594


18

18

0.25

0.312

0.438

0.375

0.562

0.75

0.5

0.938

1.156

1.375

1.562

1.781


20

20

0.25

0.375

0.5

0.375

0.594

0.812

0.5

1.031

1.281

1.5

1.75

1.969


22

22

0.25

0.375

0.5

0.375


0.875

0.5

1.125

1.375

1.625

1.875

2.125


24

24

0.25

0.375

0.562

0.375

0.688

0.969

0.5

1.219

1.531

1.812

2.062

2.344


30

30

0.312

0.5

0.625

0.375



0.5







32

32

0.312

0.5

0.625

0.375

0.688









34

34

0.312

0.5

0.625

0.375

0.688









36

36

0.312

0.5

0.625

0.375

0.75









42

42


0.5

0.625

0.375

0.75










Dimension Tolerances

Pipe Type

Pipe Sizes

Tolerances

Cold Drawn

OD

≤48.3mm

±0.40mm

≥60.3mm

±1%mm

WT

±12.5%


Grade and Chemical Composition (%)

Grade

C≤

Mn

P≤

S≤

Si≥

Cr≤

Cu≤

Mo≤

Ni≤

V≤

A

0.25

0.27-0.93

0.035

0.035

0.1

0.4

0.4

0.15

0.4

0.08

B

0.3

0.29-1.06

0.035

0.035

0.1

0.4

0.4

0.15

0.4

0.08

C

0.35

0.29-1.06

0.035

0.035

0.1

0.4

0.4

0.15

0.4

0.08


Mechanical Properties

Grade

Rm Mpa Tensile Strength

Yield Point (Mpa)

Elongation

Delivery Condition

A

≥330

≥205

20

Annealed

B

≥415

≥240

20

Annealed

C

≥485

≥275

20

Annealed


JIS Number and Corrensponding Foreign Standards


JIS

ASTM

BS

DIN

NF

ISO

Index Number

Std.No

Grade

Type

Std.No

Grade

Type

Std.No

Grade

Type

Std.No

Grade

Type

Std.No

Grade

Type

Std.No

Grade

Type

G3456

STPT370
(STPT38)

C

A106

GrA

C

3602

HFS360

C

17175

St35.8

C

A49-211

TU37b

C

2604-02-01 00:00:00

TS5

C

C004






"

CFS360

C

17177

St37.8

C

A49-213

TU37c

C

2604-03-01 00:00:00

TW9H

C







"

ERW360

C




A49-243

TU37c

C










"

CEW360

C












STPT410
(STPT42)

C

A106

GrB

C

3602

HFS410

C

17175

St45.8

C

A49-211

TU42b

C

2604-02-01 00:00:00

TS9H

C







"

CFS410

C

17177

St42.8

C

A49-213

TU42c

C










"

ERW410

C




A49-243

TU42c

C










"

CEEW410

C












STPT480
(STPT42)

C

A106

GrC

C

3602

HFS460

C




A49-211

TU48b

C

2604-02-01 00:00:00

TS14

C







"

CFS460

C




A49-213

TU48c

C










"

ERW460

C
















"

CEEW460

C











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