Jan 01, 2013
Steel Grind Ball:
high hardness,
no breakages,
good wear resiscance,
even wearing
Steel Grinding Ball Forged Steel Grind Balls:1) Diameters: dia. 20mm - dia. 150mm2) Hardness: HRC50-633) Chemical elements: C: 0.52-0.65, Si: 0.15-0.37, Mn: 0.6-1.2, P: 0.04 max., S: 0.04 max.4)...