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1、forged balls
chemical elements(%): C 0.52-0.84   Si 0.15-0.75   Mn 0.65-1.25     P 0.04max    S 0.04max
Hardness: Dia25-60mm          HRC60-65
               Dia80mm-100mm    HRC58-63
               Dia110-140mm       HRC56-62
               Dia150mm             HRC52-60
2、High Chrome grinding steel Ball
chemical elements(%) : C 2.5-3.2   Si  1.0Max   Mn 0.5-1.5   Cr  10-14   P  0.10Max   S  0.06 Max
Hardness: HRC58-63   dia30-70mm    dia80-100mm HRC57-62

We Shandong Huamin STEEL BALL Joint-stock Co. Ltd. is one of the biggest manufacturers and exporters of kinds of steel grinding balls in China, with the capacity 150,000 tons annual. We mainly export to America, Australia and Asia more than ten countries and areas. We have obtained the ISO9001:2000 quality system and ISO 14001:2004 EMS. The quality can meet different requirements from different countries.
Our steel balls are with the characteristic of high hardness, good wear resistance, no breakage, further more, our timely delivery and favorable price has obtained a high reputation from the customers. If you interested in our products, plz send me an enquiry anyway.