110mm High Hardness 60mn Forged Steel Ball For Alumina Mine

2019-10-1sag mill grinding media high hardness surface hardness of forged steel ball is to 60-68 hrc and volume hardness of forged grinding ball is to 60-65 hrc 2 high impact toughness the impact toughness is more than 15 jcm2 3 low broken rate the actual broken rate is not higher than 1 high hardness grinding media for ball mill.

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