TORICH Inner Tube Shock Absorber Tube CK45 STKM11A Steel Pipe

Inner Tube Shock Absorber Tube CK45 STKM11A Steel Pipe

The features of precision tube:

1. exact diameter than seamless pipe

2. High precision of carbon tube can be done with tolerance H9, H10

3. Cold finished makes high precision, good roughness, and nice quality

4. Honed tube or SRB tube can be used for hydraulic cylinder directly

5. High mechanical property better than seamless pipe

What we can provide are honed seamless tube pipe, honed tube pipe, seamless pipe, carbon tube, cold drawn tube, cold rolled tube, hydraulic cylinder tube, honed tube......

seamless tube, honed tube, hydraulic tube, carbon steel pipe, cold drawn pipe, cold rolled pipe, and so on.

1.Seamless steel tube and carbon tube, seamless pipe

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

2.cold drawn steel tube/cold rolled steel tube, cold drawn pipe, cold rolled pipe, cold drawn tube, cold rolled tube

Grade: 20# 45# 16Mn 25Mn 27SiMn E355 ST52 STKM11A STKM13A ST52 S45C CK45

Standard: GB/T8713 GB/T3639 DIN2391 EN10305 ASTMA519

Range: 30-300mm

Length: 11m(max)

The cold process can change the thickness of tube to meet client's request and offer better mechanical property.

3. Honed steel tube&SRB steel pipe, honed tube, honed tubes, honed steel pipe, honed pipe

ID Tolerance: H8 H9

ID Roughness: RA0.4micron(max)

Length: 6m(max)

Inner roughness: Ra0.2-0.8um

Straightness: 1:1000 or customized

Delivery condition:

The tubes can be produced in the following delivery conditions:

BK (+C) Cold finished/hard (cold finished as drawn).

No heat treatment after the last cold forming process.

BKW (+LC) Cold finished/soft (lightly cold worked)

After the last heat treatment there is a light finishing pass (cold drawing).

BKS (+SR) Cold finished/stress relieve annealed.

After the final cold forming process the tubes are stress relieve annealed.

GBK (+A) Annealed.

After the final cold forming process the tubes are annealed in a controlled atmosphere.

NBK (+N) Normalized. (Mainly focus on)

After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere