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Grinding Ball Mill For Iron Mining

140mm casting grinding iron ball for cement and mine 1features of casting grinding ball 1 high hardness surface hardness of casting balls is to 6068 hrc and volume hardness of foundry steel balls is to 6063 hrc 2 high impact toughness the impact toughness of high chrome grinding media is more than 12 jcm2 3 low broken rate the

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