1. Application fields: industries of cement building material, metallurgical selection in mine, grinding coal in power plant, chemical industry and machinery, etc
2. (SIZE): DIA 20-150mm
3. (HARDNESS): HRC 50-60
4. (CHEMICAL ELEMENTS):
5. C: 0.52-0.65 Si0.15-0.37
Mn: 0.6-1.2 S: ≤ 0.04 P: ≤ 0.04 Cr: ≤ 0.25