Ball mill steel ball_The NIle Machinery Co.,Ltd
1. product description. chromium alloy ball is widely used in cement preparation, metal mine, coal slurry thermal power, chemical engineering, ceramic coatings, light industry papermaking, magnetic materials and other industries for powder preparation and ultrafine processing. The surface hardness of highchromium alloy casting balls can reach 65HRC, and the surface hardness of lowchromium alloy casting balls