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 50-2600mm and Length can work at most 18M.

3. Cold finished tube---- Widely Used. Processing range 30-2600mm, biggest length is 18M.

E-Mail:chinalongyuejixie@126.com

Material：20#、45#、16Mn、27SiMn、E355?ST52,CK45,4140,4130,4340, SCM440, 42CrMo4 ,40CrMo,34CrMo4,35Cmo, ,SS304/316,Duplex 2205,etc.

Delivery Condition:?BK, BK+S, GBK, NBK

ID?Size?:?20mm – 2600mm

Length:?max 16m

Type:?Seamless, Hot Rolled, Cold Rolled, Cold Drawn

Straightness:?≤?0.5/1000

Roughness:?0.2-0.4 u

Tolerance EXT:?DIN2391, EN10305, GB/T 1619

Tolerance INT:?H7,H8,H9

Protection:?Anti-rust oil on inside and outside surface, plastic caps in both ends.

Packing: Bundle with steel strip and PE sheet or wooden case

E-Mail:chinalongyuejixie@126.com