... and low breakage. High Chromium Alloyed Cast Grinding BallSpecificationφ12,φ15,φ17,φ20,φ25,φ30,φ40,φ50,φ60,φ70,φ80,φ90 ... Cast Grinding Ball is widely used for powder preparation and extra-fine deep processing in sectors such as cement building materials, metal ... of the ore.Chemical Composition(%) CSiMnCrPS2.4-3.20.5-0.80.5-0.810.0-11.0≤0.1≤0.1Mechanical ...