60Mn forged grinding ball
C: 0.55-0.65
Si: 0.17-0.37
Mn 0.7-1.0
P: 0.04max
S: 0.04max
Cr: 0.25max
HRC: 52-60

65Mn forged grinding ball
C: 0.62-0.70
Si: 0.17-0.37
Mn: 0.9-1.2
P: 0.035max
S: 0.035max
Cr: 0.25max
HRC: 56-63


75MnCr forged grinding ball
C: 0.72-0.92
Si: 0.17-0.37
Mn: 0.7-1.0
P: 0.04max
S: 0.04max
Cr: 0.4-0.6
HRC: 58-64


Specialty:
High hardness, no breakage, good resistance, even wearing.
Applied field:
Mines, cement plants, power station, chemical industries