Forged Grinding Steel Ball By Jinan Zhongwei Casting And Forging Grinding Ball Co., Ltd.

Jinan Zhongwei is a leading producer of high chrome and Forged grinding steel ball supplied primarily to the platinum, copper and gold mining industries. We are able to produce cast high chrome and forged grinding ball in a range of sizes, meaning we are able to supply customers with varying ore and mill types.
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