1. Manufacture Method: Cold drawn, hot rolled+deep hole bored
2. Size: 40mm*30mm - 600mm*500mm
3. Standard: DIN2391-2,EN10305-1,ASTM A519
4. Certification: ISO9001
Product Name: | CK20 honed tube |
Material: | Carbon steel,alloy steel, stainless steel |
Standard&Grade: | DIN2391-2 ST52,EN10305-1 E355,C45E,25CrMo4,42CrMo4, CK45,E410, E470,ASTM A519 SAE1020,SAE1026,SAE1045,SAE1518,SAE1541, SAE4130,SAE4140,SAE4145,SAE4340,etc. |
Manufacture Method: | Cold Drawn, Hot rolled+Deep Hole Bored |
Internal Surface Treatment: | Honing, Skiving&roller burnishing |
Size Range: | ID of 300mm max for cold drawing, ID of 500mm for deep hole boring |
Delivery Condition: | As rolled, Stress relieved,Annealed,Normalized,Quenched+Tempered |
ID Tolerance: | ISO H8 |
Bore Roughness: | Ra0.30um max for honed tubes, Ra0.25um Max for Skived&roller burnished tubes |
End finish: | Plain ends with square cuts,free of burrs |
Usage: | Hydraulic cylinder, Pneumatic Cylinder |
Chemical Composition: | C:0.17-0.23, Si:0.17-0.37, Mn:0.40-0.70, P: 0.025 Max, S:0.025 Max |
Mechanical Properties: | T.S:450 Mpa min, Y.S: 345 Mpa min, Elongation: 10% min |
Marking or mechanical steamp on each piece of tube
We can do polishing to external surface of tubes
We can do hard chrome plating ro internal surface of tubes
Raw Material Stock
Packing Details : Tubes packed in bundles tied with steel strips. Internal&external oil coating. End plastic caps. External packing by PVC bags and knit bags.
Delivery Details : Regular lead time is around 30-45 days.
Container loading: container loading by forklift in our workshop.
A: We are specialized manufacturer
A: Generally 30-45 days,depending on delivery time of raw material.
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
A: Deposit+balance before shipment,if order value is below USD20000. T/T or L/C is order value is above USD20000. For end users with long term demand,payment method can be discussed.
Q: How do you ensure quality?
A: We only use raw material from leading steel mills like TPCO,Hengyang Valin,Baosteel,etc.
We only use raw material with cylinder quality.
We inspect the tubes as cylinders itself, because we know each piece of tube means one or more pieces of cylinders.
Product Categories : Honing Rod > Professional Honing Rod