... adn high hardness etc High chrome or low chrome casting steel ball are extensive used in mines, cement ... build materials, metal mines, coal slurry, thermal power plant, chemical engineering, ceramic industry, dope industry, light industry ... material etc powder prepared.chemical elements.high chrome casting steel ball:c:2.0-2.8,si:< ... .5,p:<0.10,s<0.06middle chrome casting steel ball:c:2.1-3.2,si: ...