high/low chrome steel grinding balls

*high hardness
*low breakage
*low ware rate
*low consumption and little fragmentation

 

The hardness and chemical composition of our grinding balls as below:
1.low chrome alloy grinding balls
Size:20mm-130mm
Hardness:HRC 48-60;Chrome content:1.0-3.0

2.high chrome alloy grinding balls
Size:8mm-110mm
Hardness:45Min;Chrome content:10-28

3.low&high chrome alloy casting bar
Size:8*10mm-35*45mm

Hardness:45-62;Chrome content:low chrome 0.3-1.5;high chrome 10-15

 

characteristic

high hardness
low breakage
low ware rate
low consumption and little fragmentation

 

The chemical composition tests are all according to the requirements of  GB223.1,GB 223.2,GB 223.3,GB 223.4,GB/T 223.5,GB/T 223.12,GB/T 223.18,GB/T 223.23,GB/T 223.26,GB/T 223.46,GB/T 223.49.

Rockwell hardness testing in accordance with GB/T 230.
Times of falling balls are more than 8000 or equal.
The rate of the broken ball is below or equal 1% in principle.