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Hot Selling Cold Drawn China Carbon E355 Seamless Steel Tube Piping
Feb 06, 2017

Product of carbon tube


1.Seamless steel tube and carbon tube

Widely used in oil,drilling, gas, Cranes, excavator also forklifts. Material is various, mainly STKM-13CT ST52 CK45 and AISI 1020. We can also offer ascustomized seamless steel tube.

2.cold drawn steel tube/cold rolled steel pipe

Grade: 20#  45#  16Mn  25Mn Q345 27SiMn  E355  ST52 STKM13A STKM13C

Standard: GB/T8713  GB/T3639  DIN2391  EN10305  ASTMA519

Range: 30-300mm

Length: 11m(max)

The cold process can remove the oxide layer outside to improve surface and offer better mechanical property, also can change ID,OD,WT to meet every client request.

 3. Honed steel tube&SRB steel pipe

ID Tolerance: H8  H9 or as client's request

ID Roughness: RA0.4micron(max)

Length: 6m(max)

Inner roughness: Ra0.2-0.8um

Straightness: 1:1000 or customized

This process can improve the roughness of the inner tube to 0.2-0.8um and make tube for cylinder using directly.

4.Hydraulic cylinder steel tube