Austempering of steel requires it to be heated to 875°C followed by sudden cooling to 250- 525°C, thereby changing austenite to___________________?

Austempering of steel requires it to be heated to 875°C followed by s

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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Austempering of steel requires it to be heated to 875°C followed by sudden cooling to 250- 525°C, thereby changing austenite to___________________?

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