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Question
A 0.2 wt.% plain carbon steel sheet is heated and equilibrated in the inter-critical region followed
by instant water quenching. The microstructure of the quenched steel sheet consists of
Options:
A .  fully martensite
B .  proeutectoid ferrite + martensite
C .  martensite + pearlite
D .  martensite + austenite
Answer: Option B


-NA-



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