Define the term tempering and nitriding. – InterviewSolution

1.	Define the term tempering and nitriding.
Answer» Solution :Tempering : In this process the hardened and steek is heated to a temperature much below REDNESS and then it is slowly COOLED. The product obtained in NEITHER so hard nor so brittle. ` ` Nitriding : In this process steel is heated in the atmosphere of AMMONIA. The surface of steel is COATED with a hard iron nitride.

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