Question:

Sub-zero treatment is used for

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Sub-zero treatment is often used in the final stages of heat treatment to remove retained austenite and improve the steel's properties.
Updated On: May 5, 2025
  • Bainite transformation
  • Pearlite transformation
  • Austenite transformation
  • Retained Austenite transformation
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The Correct Option is D

Solution and Explanation

Sub-zero treatment is used to transform retained austenite into martensite in steel, improving its hardness and dimensional stability.
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