Chromium casting grinding ball m 7%-10% Size(|¦ì):10-130mm Hrcy47 Industry fields:mining/coal grinding/other wet applications 3.High chromium 10%-14% Size(|¦ì):10mm-130mm Hrcy58 Industry fields: cement-dry grinding/mining/coal grinding/power stations/chemical industries/other wet applications 4.Special high chromium ¡y14% Size(|¦ì):10-130mm Hrcy60 Industry fields: cement-dry grinding/metallurgic mine/power stations/chemical industries or other wear big business Bag:1t/bag 0.23m^3 Drum: 800-900kg/drum 0.244m^3