Item

Material

Standard

Specification

Usage

Alloy pipe

Cr5Mo. 15CrMo 13CrMo44     

12Cr1MoV P22 T91,P91,P9,               

T9 Wb36

GB5310-95 GB9948-88              STMA335/A335M ASTMA213/213M DIN1717579       

JISG346788             

JISG3458-88

16-824*2-100

The seamless steel 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

GB531095               

ASTMA10699 

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