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Good Wear Resistance Cast Grinding Ball In Power Station

1. high hardness surface hardness of steel ball is to 60-68 hrc and volume hardness of grinding media is to 60-65 hrc 2. high impact toughness the impact toughness is higher than 15 jcm2 3. low broken rate the actual broken rate is not higher than 1 4. even wear-resistance the wear rate of cast ball is 50-700.

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