Shandong huamin Casting&Forging Co., Ltd. as one of the biggest manufacturer and exporter of grinding balls in China, the capacity is 50,000 MT annual and exporting to Australia, Korea, Japan, Canada, South Africa etc more than twenty countries and areas, we had obtained the certificate of ISO9001-2000, ISO14001.
We mainly produce the following kinds of grinding balls:
1.Forged steel grinding balls
Size: 20mm-150mm
Hardness: HRC50-65
Chemical 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-150mm
Hardness:HRC58-65
Chemical elements:C:0.7-0.9,Si:0.65-1.00,Mn:0.70-1.25, P/S:0.04Max,V:0.05-0.12
3.High chrome casting balls
Size: 20mm-120mm
Hardness:HRC58-65; Chrome content:11-14%
4.Low chrome casting balls
Size: 20mm-120mm
Hardness:HRC45-55; Chrome content:1-3.5%
Packing: 1. Container Bags 2. Steel Drums
If you interesting in our products ,plz send me an enquiry anyway.

1a??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
2a??High Chrome Casting Balls,
chemical elements(%) : C 2.5-3.2 Si 1.0Max Mn 0.5-1.5 Cr 11-14 P 0.10Max S 0.06 Max
Hardness: dia30-70mm HRC58-63
dia80-100mm HRC57-62
We Shandong Huamin Casting and Forging Joint-stock Co. Ltd. is one of the biggest manufacturers and exporters of kinds of steel grinding balls in China, with the capacity 50,000 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 interesting in our products ,plz send me an enquiry anyway.