TORICH Precision 1020 1010 4130 34CrMo4 ST52 Hydraulic Cylinder Honed Tube

1. Application: for Auto industry for machinery use Oil Cylinder Tube Motorcycle shock absorber Auto shock absorber inner cylinder Telescopic Cylinders 2. Size range: O.D.:6-420mm W.T.:1-50mm L:max12000mm 3. Supplying Steel Grade: E155, E195, E235 E275, E355 4. Delivery Condition: +C, +Lc, + SR, +A, +N 5. Production Method: DOM, ERW+ Cold Drawn ID Honing + Roller Burnish+ Skiving 6. Appearance: The internal and external surface finish of the tubes is smooth, while the Weld Seam is somehow not visible or tangible. The ID surface with roughness Ra≤4μm, the best ID smoothness we could reach Ra≤0.8μm The inner surface can be measured and reported if this is requested by the purchaser before PO.