ShandongHuamin company is a professional manufacturer for specially grinding steel bar. The grinding steel bar series have type A and type B. The grinding steel bar series are mainly used for mines, grinded ore and coal etc.
Detailed introduction is as follows:
Type A:
Diameter: 2 inches - 4.5 inches
Length:3-10M,
Hardness:45-65
Chemical elements:C: 0.52-0.7, Si: 0.17-0.37, Mn: 0.6-1.2, S: <0.035, P: <0.035, Cr: <0.04<br />
Type B:
Diameter: 2 inches - 4.5 inches
Length :3-10M,
Hardness :45-65
Chemical elements:C: 0.72-0.82, Si: 0.17-0.37, Mn: 0.7-0.8, S: 0.035MAX, P: 0.035,MAX Cr: 0.28-0.60