Even Hardness Core Hardness 56-59hrc B2 D30MM Grinding Media Balls No Surface Defects for Power stations Quick detail: Surface hardness: 58-61hrc Core hardness: 56-59hrc Good tougness, no broken Good tougness : ... Read MoreGet Best Price
Hot Rolling Grinding Media CR15 Steel Balls For Ore Grinding Quick Details 1. Material:Cr15. 2. Hardness: More than HRC60. 60mm High Cr Cast Balls 1. Hardness difference from surface to center is less than HRC3... Read MoreGet Best Price
HRC50~60 Cr15 Hot Rolling Forged Steel Steel Balls Grinding Media For Ore Grinding 1. Material:Cr15 2. Hardness: More than HRC60; Hot Rolling Grinding Steel Balls For Ore Grinding 1. Hardness difference from ... Read MoreGet Best Price
HRC50~60 Cr15 Hot Rolling Forged Steel Steel Balls Grinding Media For Ore Grinding 1. Material:Cr15 2. Hardness: More than HRC60; Hot Rolling Grinding Steel Balls For Ore Grinding 1. Hardness difference from ... Read MoreGet Best Price