1 high chrome casting balls Size: 6mm-120mm Hardness: hrc60-66; chrome content: 10-30% 2 low chrome casting balls Size: 6mm-120mm Hardness: hrc46-53; chrome content: 0.5-3.5% Packing: 1.Container bags 2. Steel drums The major character of our grinding balls is that: high hardness, no breakage, lower wearing, lower price. It is mainly used in cement plants, mines, power stations etc. Our factory manufacture and export high chrome casting ball as follows: Specifications: 1) diameters: dia. 17 - 130mm 2) hardness: hrc 58-63 3) chemical elements(%): C:1.9-3.3 , si:0.3-1.0 , mn:0.2-0.8 , cr:10.0-30.0, p:0. 9 max , s:0.9 max Characteristics: A) high hardness b) no breakage c) even wearing d) good wear resistance Applied fields: A) mines b) cement plants c) power stations d) chemical industry Outer packing: Container bags, steel drums High chrome a Container bags, steel drums