1.ProductIntroduction(ISO9001)2.Hardness:40-50HRC(377-509HV)3.Density:7.2g/cm34.TheproductionincludesomechemicalC0.85-1.20%,Mn0.60-1.20%,Si 0.40-1.20%,S<0.05,P<0.05,Cr,Ni.5.Usage:Surfacecleaningandrustremovingforcastiron,caststeel,steelplatesandsteelpipes,especiallyusedinshotblastingmachineandpenningmachine.