We Shandong Huamin Steel Ball Joint-Stock Co., LTD are one leading professional manufacturer and exporter of grinding steel Mill balls in China since 1986, the annual output is 100, 000 metric tons.Our products are exported to over 20 countries and regions in the world and are welcomed by customers at home and abroad on basis of high qualilty, timely delivery, competitive price and best service.

 

We have obtained ISO9001 and ISO14001, our grinding steel mill balls are mainly two kinds:

 

1.Grinding steel balls:

Diameter:20mm-150mm

Hardness: HRC55-65

2.High chrome casting iron balls:

Diameter:17mm-120mm

Cr content:10-14%

Hardness:HRC56-63

Features: High and steady hardness, no breakage, good wear resistance and even good wearing.

Grinding steel Rods in Rod Mills:

Diameter:60-100mm

Length:2.5m-6m

Hardness:HRC40-55

Features:Steady hardness, straightness, and good wear resistance.