Product Description Low Grinding Consumption Forged Grinding Steel Ball for Mining 1. Grade: High carbon ally steel 2. Diameter: 15mm-150mm 3. Hardness: HRC 55-65 4. Breakage Rate:12j/Cm 2 6. Falling ball times: 20000s Two hot sale grinding balls specially designed for ball mill and SAG mill Diamater mm HM-1 Surface Volumetric 20-40 60-65 60-65 50-70 60-65 58-63 80-100 56-63 54-62 Diamater mm HM-2 100 60-65 58-63 120 60-64 57-62 130 60-63 56-60 150 58-62 54-60
