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Grinding Ball Mm Hardness Hrc

According to DSTU 8538:2015, grinding balls 50 HRC after heat treatment should be consistent with the standards shown in table 2 (DSTU 8538:2015), for example, for grinding balls with a nominal diameter of 120 mm, this is at least 50 HRC / 477 HB on the surface.Please note that information about the upper rate is not specified. The main standards for measuring steel grinding balls 50 HRC ...

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