Forged Grinding Steel Ball
Material 75MNCR

1. Size from dia 25mm to dia 180mm.
2. Chemical Composition(%): C 0.75-0.85, SI 0.17-0.35, MN 0.7-0.9 CR 0.4-0.6, AL 0.01-0.06 S/P 0.03max CU 0.2max NI 0.2MAX
3. Hardness: HRC60-65
4. Packing: By steel drums or flexible container bags
5. The grinding balls are widely used in the ball mill for mines, cement plants, power stations, chemical industries, etc.
6. It has the characters of: No breakage, good wear resistance, no deformation, uniformity of the hardness from surface to core.