1.Forged Grinding Ball Size: 25mm-150mm Hardness: surface hardness for dia25-90mm is HRC55-60, for dia100-150mm is HRC50-60. Core hardness for dia25-90mm is HRC40-50, for dia100-150mm is HRC35-45.....
Jinan Zhongwei Casting and Forging Grinding Ball Co., Ltd, established in 2000, specially manufacturer and exporter of grinding balls, steel ball for the last few years in China. With the annual....
We are a enterprise of manufacturing and exporting grinding balls prefessionally in China. 1.Forged steel grinding balls ( 65Mn) Size: 25mm-130mm Hardness: HRC60-65 Chemical elements: C: 0.6-0.7, Si: 0.17....