Standard

Trademark

Chemical components

Mechanical property

C

Si

Mn

P,S

Cu

Ni

Mo

Cr

V

Tensile Strength

(Mpa)

Yield Strength

(Mpa)

Elongation

(%)

ASTM A106

B

≤0.30

≥0.10

0.29~1.06

≤0.035

≤0.40

≤0.40

≤0.15

≤0.40

≤0.08

≥415

≥240

≥30

C

≤0.35

≥0.10

0.29~1.06

≤0.035

≤0.40

≤0.40

≤0.15

≤0.40

≤0.08

≥485

≥275

≥30

Item

Material

Standard

Specification(OD*WT)mm

Usage

Alloy pipe

Cr5Mo. 15CrMo 13CrMo44

12Cr1MoV P22 T91,P91,P9,

T9 Wb36

GB5310-95 GB9948-88

ASTMA335/A335M

ASTMA213/213M

DIN17175-79

JISG3467-88

JISG3458-88

16-824*2-100

The seamless steal pipes

features resistance to high presure,high/low temperature and corrosion ano is used in

the industries of petroleum,chemical

engineering and. Electric pwer as well as boiler

High-pressure

boiler pipe

20G,A106,

ST 45

GB5310-95

ASTM A 106-99

DIN17175-79

14-630*2-80

Temperature-resistant

seamless steel pipe

far high-pressure boiler

Seamless pipes for petroleum

20, 12 CrMo,

15 CrMo

GB9948-88

10-530*1.5-36

Boiler pipes for refinery,heatexchangeing pipes,seamless steel pipes for pipeline

High-pressure

Seamless pipes for fertilizer making equipment

20, 16Mn,

Q345

GB6479-2000

18-530*3-40

Fertilizer making equipment and pipe line

Low and mediun pressure boiled pipe

10,20

GB3087-1999

10-530*2-40

Over-heat pipe for low and medium pressure boiler,boilling water pipe,locomotive somke pipe(big and small)

Fluid pipe

20, Q345

GB/T8163-1999

8-630*1.0-40

Fluid feeding

Structural pipe

10,20,35,45, 16Mn,Q345B

GB/T8162-1999

6-1020*1.5-100

For commom structure

Line pipe

Gr..B

API

60-630*1.5-40

Carrying gas,water or oil in the industries of petroleum and natural gas

Hydraulic prop pipe

27SiMn

GB/T17396-1998

70-377*9-40

Hydraulic support and prop