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: 0.035Max; Cr: 0.25Max.
2.Forged steel grinding balls (RCAB-2)
Size: 20mm-150mm
Hardness:HRC58-65
Chemical elements:C:0.72-0.82,Si:0.17-0.37,Mn:0.70-0.80, P/S:0.035Max,Cr:0.28-0.60
3.High chrome casting balls
Size: 20mm-120mm
Hardness:HRC58-65; chemical elements:Cr:11-14%，C:2.5-3.2,Si≤1.0，Mn:0.5-1.5,Mo:0-3.0,Cu:0-1.0,Ni:0-1.5,P≤0.10,
S≤0.06
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.