high wear resistant grinding ball mill
Wear resistant Wrought Iron Forged Grinding Ball For Ball Mill 1 High Hardness Surface hardness of forged steel ball is to 60 68 HRC and volume hardness of rolling ball is to 60 65 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