60Mn forged grinding ball C: 0.55-0.65 Si: 0.17-0.37 Mn:0.7-1.0 P:0.04max S:0.04 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 The size of our grinding balls is from 20mm to 150mm . Please don't hesitate to connect with me if you have any questions.
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