The lower critical temperature
A. Decreases as the carbon content in steel increases
B. Increases as the carbon content in steel increases
C. Is same for all steels
D. Depends upon the rate of heating
Answer: Option C
Solution (By Examveda Team)
The lower critical temperature is same for all steels.Lower critical temperature for steel’s austenite-to-pearlite transformation is 1333°Fahrenheit (723°Celsius). Below this temperature, austentite doesn’t exist.
This Question Belongs to Mechanical Engineering >> Engineering Materials
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