China Zero Defect Ball Mill Grinding Media Forged Steel ...
Zero defect Ball mill grinding media forged steel ball with low price DESCRIPTION 1. Grade: 45#,50Mn,60Mn,65Mn,B2,B3,BL,BG 2. Diameter: 15mm-150mm 3. Hardness: HRC 55-65 4. Breakage Rate:<1% 5. Impact Value: >12j/Cm^2 6. Falling ball times: ≥20000s. Forged(Rolling) Steel Ball Classification and Chemical Composition
