1.forged steel grinding ballssize: 20mm-150mmhardness: hrc50-65chemical elements: c: 0.52-0.65; si: 0.15-0.37; mn: 0.6-1.2; s & p: 0.04max; cr: 0.25max.2.forged steel grinding balls (rcab-1)size: 20mm-150mmhardness:hrc58-65chemical elements:c:0.7-0.9,si:0.65-1.00,mn:0.70-1.25, p/s:0.04max,v:0.05-0.123.high chrome casting ballssize: 20mm-120mmhardness:hrc58-65; chrome content:11-14%4.low chrome casting ballssize: 20mm-120mmhardness:hrc45-55; chrome content:1-3.5%packing: 1. container bags 2. steel drums

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山东东铁铸锻有限公司
夏梦娇
15562591728