Forged Grinding Steel Ball

1 High Hardness Surface hardness of forged steel ball is to 6068 HRC and volume hardness of forged grinding ball is to 6065 HRC 2 High Impact Toughness The impact toughness is more than 15 Jcm2 3 Low Broken Rate The actual broken rate is not higher than 1 4 Even Wearresistance The wear rate of cast ball is 50700 gton 2