We can supply Forging Steel balls Steel BallsSIZE: DIA 40 150MMHARDNESS: HRC55-65CHEMICAL ELEMENTS:C: 0.7-0.9, Si:0.45-0.75,Mn:0.7-1.25, P:0.04MAX, S: 0.04MAX, Cr:0.11-0.4V: 0.05-0.12PRODUCTSSPECIALITY:HIGH HARDNESS,NO BREAKAGE,GOOD WEAR RESISCANCE,EVEN WEARINGAPPLIED FIELD:MINES,CEMENT PLANTS,POWER STATIONS,CHEMICAL INDUSTRIES Steel balls