Brief Introductionof us :

Jinan Zhongwei is a leading producerof high chrome and forged grinding ball supplied primarily to theplatinum, copper and gold mining industries.

We are able to produce cast highchrome and forged grinding ball in a range of sizes, meaning we areable to supply customers with varying ore and milltypes.

 1.60Mn forged grindingball
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 forgedgrinding 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 forgedgrinding 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 forgedgrinding 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