1.Size: 17-220mm
2.High Hardness and Low Breakage
3.Good wear-resistance
4.Lower price and Good service
JINAN XINTE CASTING AND FORGING CO.,LTD is one of the largest factory specialized in producing forged grinding balls and cast grinding balls in China. The company has passed ISO9001: 2000 quality system authentication. Our factory was established in 1971. There are180 employees now, covering an area of 20000 square meter. Our annual product of grinding balls is about 70000 ton. We mainly export our steel balls to Japan, Korea, Malaysia, Philippine, Canada, South-Africa, Chile etc more than 20 countries and areas.
The major character of our Grinding Balls is that: high hardness, low breakage, good wear-resistance, lower price. It is mainly used in cement plants, mines, power stations etc. The hardness and chemical composition of our grinding balls as follows:
1.Forged steel balls
Size: 25mm-180mm
Hardness:HRC55-65
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 balls (75MNCR)
Size: 25mm-180mm
Hardness:HRC58-65
Chemical elements:
C:0.75-0.85; Si:0.17-0.35; Mn:0.7-0.9; Cr:0.4-0.6; Al:0.01-0.06; S/P 0.03max; Cu 0.2max; Ni 0.2max
3.High chrome cast balls
Size: 17mm-150mm
Hardness:HRC58-65; Chrome content:11-27%
4.Low chrome cast balls
Size: 17mm-150mm
Hardness:HRC45-55; Chrome content:1-3.5%
- Medium chrome cast grinding balls
Size: 17mm-150mm
Hardness:HRC50-60; Chrome content:5-8%
