Forged steel balls
Size:20mm-150mm;
Hardness:HRC55-65
Chemical elements:C: 0.52-0.65; Si: 0.15-0.37; Mn: 0.6-1.2; S & P: 0.04
Casting ball
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Forged steel balls
Size:20mm-150mm;
Hardness:HRC55-65
Chemical elements:C: 0.52-0.65; Si: 0.15-0.37; Mn: 0.6-1.2; S & P: 0.04