Is Grinding Media Roll Forged Steel Balls
Rolled Forged Steel Grinding Balls. Rolled Forged Steel Grinding Balls Cast Balls Grinding Rods Liners Press technique and strict quality control system make better performance for the whole hardness of our hardness of our grinding steel ball with surface hardness as high as 58 65HRC volume hardness es high 56 64HRC hardness distribute uniform impact toughness bigger