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sub zero treatment is used for
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.
AP PGECET - 2024
AP PGECET
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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