Sub zero treatment of steel is done to Options: A . &nbspSuppress martensite transformation B . &nbspEnhance its working performance in sub zero atmosphere C . &nbspReduce the retained austenite in hardened steel D . &nbspInduce temper brittleness after its hardening

Sub zero treatment of steel is done to

Question

Sub zero treatment of steel is done to

Options:

A . Suppress martensite transformation

B . Enhance its working performance in sub zero atmosphere

C . Reduce the retained austenite in hardened steel

D . Induce temper brittleness after its hardening

Answer: Option C

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