aisi 4140 carbon alloy steel round bar

item

material

standard

specification (OD*WT)mm

usage

alloy pipe

Cr5Mo. 15CrMo

GB5310-95 GB9948-88

16-824*2-100

The seamless steal pipes features resistance to high pressure, high/low temperature and corrosion and is used in the industries of petroleum, chemical engineering and. Electric power as well as boiler

13CrMo44

ASTMA335/A335M

12Cr1MoV P22

ASTMA213/213M

T91,P91,P9,

DIN17175-79

T9 Wb36

JISG3467-88

JISG3458-88

High-pressure boiler pipe

20G,A106,

GB5310-95

14-630*2-80

Temperature-resistant seamless steel pipe far high-pressure boiler

ST 45

ASTM A 106-99

DIN17175-79

Seamless pipes for petroleum

20, 12CrMo,

GB9948-88

10-530*1.5-36

Boiler pipes for refinery, heat-exchanging pipes,seamless steel pipes for pipeline

15CrMo

High-pressure Seamless pipes for fertilizer making equipment

20, 16Mn,

GB6479-2000

18-530*3-40

Fertilizer making equipment and pipe line

Q345

Low and medium-pressure boiled pipe

10,20

GB3087-1999

10-530*2-40

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

Fluid pipe

20, Q345

GB/T8163-1999

8-630*1.0-40

Fluid feeding

Structural pipe

20, Q345 10,

GB/T8162-1999

6-1020*1.5-100

For common structure

20,35,45,

16Mn,Q345B

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