1.

In full annealing, the steel is heated at what temperature?(a) Above critical temperature(b) Above vaporization temperature(c) Above liquefying temperature(d) Above solidification temperatureI have been asked this question in a job interview.The origin of the question is Annealing and Normalizing in division Heat treatment of Metals and Alloys of Casting-Forming-Welding II

Answer»

The correct option is (a) Above critical temperature

For EXPLANATION I WOULD say: In the process of full annealing, the steel has to be heated slightly above the critical temperature. At this point, the steel has to be held for a CONSIDERABLE AMOUNT of TIME.



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