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Over-burning phenomenon

Editor：    Date：2014-05-05 14:03:54    Views：3490

Heating temperature is too high, not only causing austenite grain coarsening and grain boundary oxidation or partial melting occurs, resulting in the weakening of the grain boundary, known as burnt. After a serious deterioration in the performance of steel over-burning, cracks formed during quenching. Burnt tissue can not be restored, only to be scrapped. So at work to avoid over-burning occurs.

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