Cold rolled seamless steel DIn2391 st52 honed tubing

 Commodity name: Cold rolled seamless steel DIn2391 st52 honed tubing

1.Grade: 20#(aisi1020,ck20),45#(ck45,aisi1045),st52(16Mn,Q345D),25Mn,27SiMn,42CrMO

2.ID:30-250mm

3.ID tolerance:H8,H9

4.Surface roughness:Ra 0.02— 0.4μm

5. Final supply condition:cold drawn and stress-relieved(BK+S

6. Machining allowance:0.5-1.5mm

7.Wall thickness:10%×ID

Variety 

Mechanics performance

Dimension tolerance

Delivey conditions

• Standard packing with plastic caps and strapped bundles.
• Commercial length 2000~10500mm,custom lengths upon request
• Surface protection
  

We can supply cold drawn steel pipe,honed tube,hydraulic pipe,hydraulic cylinder tube.

• Pretreatment :  Acid cleaning- Parkerizing

• Cold drawn/cold rolled

• Annealing furnace—— stress-relieving (+SR)

• Straightener—— Straightening/ Leveling

•  Straightness inspecting

• Dimension inspecting

• Sawing off not good parts

• Lathe

• Surface Polishing

• Finished Products

 Application:

hydraulic cylinder tube st52 din2391 widely used in hydraulic system with precision steel tube, injection molding machine with precision steel tube, hydraulic press with precision steel tube, shipbuilding with steel tube, EVA foaming, hydraulic machinery, hydraulic cutting machine, shoe making machinery, hydraulic equipment, high pressure tubing, hydraulic tubing, card sets of joints, pipe joints, rubber machinery, forging machinery, casting machinery, engineering machinery, automotive high pressure steel pipe concrete pump, sanitation vehicle, automobile industry, shipbuilding industry, metal processing, military industry, diesel engine, the internal combustion engine, air compressor, construction machinery, forestry machinery, etc.

Any Need or request , please feel free to contact us !