Actualités industrielles

heat treatment machine for ball mill balls

What is the quenching and tempering?

/dans

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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