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1, forged grinding steel balls
a. size: 20-150mm
b. hardness: 55-65
c. applied field: Mines, Cement plants, Power stations, Chemical industries
d. chemical elements: C: 0.5-0.6, Si: 0.1-0.4, Mn: 0.6-1.2, P: 0.030max, Cr: 0.2-1.2
2,girinding bar series
1) A type
size: 60-90mm, 3-6m hardness: 45-55
chemical elements: C: 0.52-0.65, Si: 0.17-0.37, Mn: 0.6-1.2, P: 0.035max, S: 0.035max, Cr: 0.04max
2) B type
size: 60-90mm, 3-6m hardness: 45-55
chemical elements: C: 0.72-0.82, Si: 0.17-0.37, Mn: 0.7-0.8, P: 0.035max, S: 0.035max, Cr: 0.28-0.60

The process line of production
RAW MATERIALS - CUTTING - STOVE - AUTOMATIC PRODUCTION-LINE - TRANSFER MACHINE - QUENCHING - HEAT TREATMENT - DIMENSION TESE -PACKING -TRANSPORTATION OR SEA FREIGHT