Grinding ball
Chemical elements:C: 0.52-0.65; Si: 0.15-0.37; Mn: 0.6-1.2; S & P: 0.04
Hardness:HRC55-65
Size: 20mm-150mm
Size: 20mm-150mm Hardness:HRC55-65 Chemical elements:C: 0.52-0.65; Si: 0.15-0.37; Mn: 0.6- Grinding ball |