handong Huamin Steel Ball Joint-stock Co., Ltd., established in 1986, in the past, we devote to the manufacture and export of grinding balls and grinding rods, our current annual production capacity...
Forged Grinding Steel Ball Size from dia 25mm to dia 160mm . Chemical Composition(%): C: 0.52-0.65 Si: 0.15-0.37 Mn: 0.60-1.20 Cr: ≤ 0.25 S: ≤0.04 P: ≤0.04 Hardness: HRC60-65 Packing: by...