ID roughness ra0.2-0.4um precision Cold rolled seamless st52 honed tube

Commodity name:

ID roughness ra0.2-0.4um precision Cold rolled seamless st52 honed tube

 Main products of Yantai Xinpeng Steel Pipe Co,.Ltd

1. Hydraulic Cylinder Tube------Main products of Xinpeng,

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.SRB tube ----- used inElevatorbuffer 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.

Xinpeng Have passed ISo9001 verified from 2008; each tube of ours is strictly in quality control that can assure the product quality of Xinpeng.

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

2.ID:30-250mm 

3.ID tolerance:H8,H9

4.Surface roughness:Ra 0.02— 0.4μm

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

6. Machining allowance:0.5-1.5mm

7.Wall thickness:10%×ID

Variety 

Mechanics performance

Dimension tolerance

Size we have stock 

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/cold rolled seamless tube,honed tube,hydraulic tube,please feel free to contact us.

• Pretreatment :  Acid cleaning- Parkerizing

• Cold drawn/cold rolled

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

• Straightener—— Straightening/ Leveling

•  Straightness inspecting

• Dimension inspecting

• Sawing ( allowance  0 +3mm  tolerance)
  

• Lathe

• Surface Polishing ( can do mirror polishing also)
  

•  Finished products 

• Application:Hydraulic tube

• 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.