Austempering of steel requires.it to be heated to 875 C followed by su – McqOptions

MCQOPTIONS

1.	Austempering of steel requires.it to be heated to 875 C followed by sudden cooling to 250-525 C, thereby changing austenite to
A.	sorbite
B.	bainite
C.	martensite
D.	troostite
Answer» C. martensite

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