Ball Mill Grinding Media For Copper Mining, View grinding ...
Ball Mill Grinding Media For Copper Mining . 1.Feature: 1) High Hardness: The surface hardness of forged and casting grinding media is to 60-65 HRC and volume hardness is to 60-63 HRC 2) High Impact Toughness: The impact toughness is more than 12 J/cm2; 3) Low Broken Rate: The actual broken rate is not higher than 1%; 4) Even Wear-resistance: The loss of ball round rate is 50-300 g/ton.