
CNA Lowchromium castiron grinding ball Google Patents
A lowCr cast iron grinding ball used in mine, building material and electric power industries contains such chemical components (Wt.%) as C (), Mn (), Cr (24), Si (), Cu (), Re (), B (), S (less than ), P (less than ) and Fe (rest), and features less alloy element consumption, simple heat treatment process, low cost, better antiwear ...