... of clients in different countries and regions. NameCasting grinding steel balls Size20mm-130mmFeatureA) High hardnessB) No breakageC) Even wearingD) Good ... 8-3.3, Si 0.3-1.2, Mn 1.5-2.0, Cr 10-16, P 0.10Max, S 0 ... 0-3.3, Si 0.3-1.2, Mn 1.5-2.0, Cr 4-9, P 0.10 Max, S ... C 2.2-3.5, Si 0.3-1.0, Mn 0.5-1.5 Cr 0.8-3.5, P 0.10Max, ... per yearMore than 6000 tons SGS grinding media steel balls