1.60Mn forged grinding ball
Diameter: 20mm-150mm
Hardness: HRC 53-62
Chemical elements:

Cr: 0.25max C: 0.55-0.65 Si: 0.17-0.37 Mn: 0.7-1.0 S&P: 0.04max

2.65Mn forged grinding ball
Diameter: 20mm-150mm
Hardness: HRC57-63
Chemical elements:

Cr: 0.25max C: 0.62-0.70 Si: 0.17-0.37 Mn: 0.9-1.2 S&P: 0.035max

3.75MnCr forged grinding ball
Diameter: 20mm-150mm
Hardness: HRC60-65
Chemical elements:

Cr: 0.4-0.6 C: 0.72-0.92 Si: 0.17-0.37 Mn: 0.7-1.0 S&P: 0.04max

4.60Si2CrV forged grinding ball
Diameter: 20mm-150mm
Hardness: HRC60min
Chemical elements:

Cr: 0.9-1.2 C: 0.56-0.64 Si: 1.4-1.8 Mn: 0.4-0.7 S & P: 0.03max