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Steel Non Alloy ASTM1020 ST52 High Pressure Gas Cylinder Honed Tube
Mar 10, 2017


Products of carbon tube


1.Seamless steel tube and carbon tube

Widely used in the hydraulic cylinder of the heavy machinery, Cranes, excavator also forklifts. Material is various, mainly STKM-13CT ST52 CK45 and 1020. We can also offer ascustomized seamless steel tube.

2.cold drawn steel pipe/ cold rolled steel tube

Grade: 20#  45#  16Mn  25Mn  27SiMn  E355 CK45 STKM11A STKM13A

Standard: GB/T8713  GB/T3639  DIN2391  EN10305  ASTMA519

Range: 30-300mm

Length: 11m(max)

The cold process can improve the mechanical property of the pipes and offer better tolerance. 

 3. Honed Tube&Hydraulic cylinder steel tube

ID Tolerance: H8  H9

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