High chrome Dia 20-150mm casting iron ball from China for cement plant
Cast Iron Balls Specifications
a) unbreakable
b) grinding resistant
c) high impact value
d) high combined efficiency of grinding mill
Forged Grinding Steel Balls
1) In general, forged steel ball has high hardness: surface hardness to 55-68 HRC, volume hardness of 50-63 HRC
2) Impact toughness high: impact toughness more than 12 J / cm2.
3) Broken rate is low: the actual broken rate is not higher than 1%.
4) Loss of grinding forged steel ball round rate is low.
National Standards
| Specification | 20 | 25 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 | 110 | 120 | 130 | 140 | 150 |
| Chemical
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