Ningbo Lancaster Industry and Trading Co., Ltd.  

Product Name: Shock Absorber Rear Piston Shaft Appearance Shape: Round Shaft Shape: Real Axis Axis Shape: Straight Shaft Stiffness & Flexibility: Stiffness / Rigid Axle Load: Drive Shaft Material: All Kind of Brass,Copper,Stainless Steel etc Product Name: Shock Absorber Rear Piston Shaft Surface: Hard-Chromed Tolerance: H8 H9 Technique: Cold Drawn Electroplating Hardness: Hv800-1050 Application: Oil Pipe, Hydraulic System Transport Package: Oil Apply+ Carton+Pallet Specification: Customization Origin: Ningbo Product Description Specification:Shock Absorber Rear Piston ShaftStandardDIN2391, EN10305, JIS G3445, ASTM A519, GB/T 8713...MaterialAll kind of brass,copper,stainless steel etc...HeattreatmentBKSSpecificationOuterdiameter(mm) Innerdiameter(mm) 50-300mm40-250I.DToleranceH8-H9Length3-9m(Customersusuallychoosethe4~5.8m)Straightness1/1000IDroughnessRA0.4micron(max)TechnologyHoned&SRB(SKIVEDANDROLLERBURNISHED)ScopeHoned tubefor hydraulic cylinder, swivelcrane,injectionmachineandconstructionmachineapplicationShock Absorber Rear Piston ShaftManufacturing process description:1. Hydraulic shear cutting2. CNC machining + additional broaching and milling operations3. Induction hardening at a range of different frequencies and powers4. Rotary straightening5. Proportionally servo controlled CNC grinding6. Leading edge technologies for hard chromium,7. Dehydrogenation and tempering8. Wet polish and superfinish polish with 100% surface condition control9. Export Packagingwhy choose usOur Advantage