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: 2008 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 tons. 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 ballsSize: 25mm-180mmHardness: HRC55-65Chemical 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 balls (RCAB-1)Size: 25mm-180mmHardness: HRC58-65Chemical elements: C: 0.7-0.9, Si: 0.65-1.00, Mn: 0.70-1.25, P/S: 0.04Max, V: 0.05-0.12

3. High chrome cast ballsSize: 17mm-150mmHardness: HRC58-65; Chrome content: 11-27%
4. Low chrome cast ballsSize: 17mm-150mmHardness: HRC45-55; Chrome content: 1-3.5%
5. Medium chrome cast grinding balls

Size: 17mm-150mmHardness: HRC50-60; Chrome content: 5-8%