It is used for shredder machine.It is the replacement for shredder parts. This kind of spare parts have high abrasion resistant, ... hardness and toughness.It is the part of shredder machine.This shredder machine is used for crushing/breaking the car,stone ... / Low alloy steelChemical Component for Mn Steel:C,Si,Mn,P,S,Cr,MoWeight:about 1120lbsMOQ:1 piece Cast Wall of ...