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ASTM/ASME and API Specification

Product Name

Executive
standard

Dimension

Steel Code/
Steel Grade

Specification for casing and Tubing

API 5CT

φ26.67~168×2.17~12.06

J55,N80

Specification for line pipe

API 5L

φ10.3~610×1.7~40

A,B

Black and Hot-Dipped Zinc-Coated Steel Pipe, Welded and Seamless

ASTM A53

φ10.3~426×1.0~36

A,B

Seamless Carbon Steel for High Temperature Service

ASTM A106

φ10.3~426×1.0~36

A,B

Seamless Cold-Drawn Low-Carbon Steel Heat Exchanger and Condenser Tubes

ASTM A179

φ10.3~426×1.0~36

Low Carbon Steel

Seamless Carbon Steel Boiler Tubes for High Pressure

ASTM A192

φ10.3~426×1.0~36

Low Carbon Steel

Seamless Cold-Drawn Internediate Alloy Steel Heat-Exchanger and Condenser Tubes

ASTM A199

φ10.3~426×1.0~36

T5,T22

Seamless Medium-Carbon Steel Boiler and Superheater Tubes

ASTM A210

φ10.3~426×1.0~36

A1,C

Seamless Ferritic and Austenitic Alloy Steel Boiler, Superheater and Heat-Exchanger Tubes

ASTM A213

φ10.3~426×1.0~36

T2, T5, T11, T22

Seamless Carbon and alloy steel for mechanical Tubing

ASTM A519

φ10.3~426×1.0~36

Carbon Steel,
Alloy Steel

Seamless Cold-Drawn Carbon Steel Feed water Heater Tubes

ASTM A556

φ10.3~426×1.0~36

A2,B2

Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service

ASTM A335

φ21.3~762×1.0~80

P1, P2, P5, P11, P12 P22, P91

DIN Specification

Product Name

Executive standard

Specification

Steel Code /Steel Grade

Seamless Steel Tube for Elevated Temperature

DIN17175

φ16~426×1.0~36

St35.8, St45.8, 17Mn4, 19Mn5, 15Mo3, 13CrMo44

Cold Drawn Seamless Precision Pipe

DIN2391

φ16~426×1.0~36

St35,St45,St52

Seamless Steel pipe for Structural purpose

DIN2393

φ16~426×1.0~36

RSt34-2,RSt37-2, RSt44-2,St52

Seamless Steel Tube

DIN2448/1629/1630

φ16~426×1.0~36

St37/St37.4, St44/St44.4, St52/St52.4

BS Specification

Product Name

Executive
standard

Dimension

Steel Code/Steel Grade

Seamless Steel Tubes for Machine Structural

BS970

φ10~426×1.0~36

Carbon Steel

Seamless Steel Tubes for Boiler and Heat Exchangers

BS3059

φ10~426×1.0~36

360,410,460,480,490

 
   

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