Ball Mill Grinding Mediataihong
1. high hardness: surface hardness of steel ball is to 60-68 hrc and volume hardness of grinding media is to 60-65 hrc; 2. high impact toughness: the impact toughness is higher than 15 j/cm2; 3. low broken rate: the actual broken rate is not higher than 1%; 4. even wear-resistance: the wear rate of cast ball is 50-700.125mm(5”) steel ball for sag ball mill quality parameter. ball size/steel rod type. surface hardness. core hardness. volume hardness. impact toughness. 125mm/b3. 60-62 hrc. 57-60 hrc. 56-62.