... :spring steel, alloy steel, stainless steel 3.Wire diameter:0.4mm~80mm 4.OEM and Customized Material55CrSi,60Si2Mn, ... 40 Tons. (per pc.)ApplicationExcavator, Digger Machine, Vehicle, Motorcycle, Train, Ship, Shakeout Machine, Oscillation Absorber, Bulldozer, etc.Painting and ... can be decided by the customers. Construction machinery large diameter compression recoil spring,Vibration Isolating Springs