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heat treatment machine for ball mill balls

What is the quenching and tempering?

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In the heat treatment process, quenching and tempering is very important for casting grinding mill balls. It influences the balls hardness, inner structure, impack value. These are used to indicate a balls quality. Here briefly introduce you the  what is the quenching and tempering. 

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ball mill balls

Detailed introduction of the casting grinding balls

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To achieve the hardness of cast chrome grinding balls, which contains more than 10.0% chrome and 1.80%-3.20% carbon, the hardness (HRC) of the cast grinding ball must be more than 58 degrees and the impact value is AK 3.0 j / cm2. High Chrome Ball must be treated by high-temperature quenching and tempering. Casting chrome […]

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