1. Hydraulic Cylinder Tube ------ 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 work and get the mechanical property of the clients need and extended the life of the hydraulic cylinder.
2. Honed tube ----- used in Elevator buffer and Hydraulic Cylinder .This kind tube have a better roughness inner the tube,ra0.2-0.4um and can use directly in the hydraulic cylinder tube. Range: ID 50-250mm and Length can work at most 6M.
3. Cold finished tube ---- Widely Used. Processing range 30-300mm, biggest length is 11M.
OD
GB/T3639
DIN2391
(EN10305)
Our Tolerance
Best Quality
31-40mm
±0.15mm
±0.15mm
±0.05mm…