Shandong Huamin Steel Ball Joint-stock Co., Ltd is a Joint-stock Enterprise, which is 30 years in the fields of production of the Grinding media (Grinding Steel Balls, Grinding Steel Rods), it is now the largest manufacturer and exporter of Grinding Media in China.

The production capacity is 150, 000 Metric Tons per annual, the products is produced by the Automatic Rolling forged Equipment, which is the world-advanced facilities with the high efficiency and high assurance of the quality!

Specification:20mm-150mm Hardness:55-65 impact value:>12J/cm²

Advantages：

1、High Hardness：the surface hardness can reach 55-67HRC, volume hardness can reach 50-63HRC, and it keeps well balance of hardness;

2、high impact toughness:

3、low breakage rate: more than 20, 000 times for impact test and less than 1% actual breakage rate.

4、no deformation: steel ball will always keep its original shape.