Question: Using the isothermal transformation diagram below determine what the final microstructure would be of an austenized steel that is quickly cooled to 4 0 0

Using the isothermal transformation diagram below determine what the final
microstructure would be of an austenized steel that is quickly cooled to 400 C , held
for 10 seconds and then quenched to room temperature.
100% Bainite
25% Bainite, 75% Austenite
25% Bainite, 75% Martensite
30% Bainite, 70% Pearilte
Using the isothermal transformation diagram below

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