Question

In transformation in steel, hypo eutectoid steel are heated up to what temperature?

(a) 677°C

(b) 700°C

(c) 723°C

(d) 746°C

I had been asked this question in a job interview.

I'd like to ask this question from Cooling Curve for Pure Iron in section Heat treatment of Metals and Alloys of Casting-Forming-Welding II

Answer 1

Right option is (c) 723°C

To elaborate: In transformation in steel, the hypo eutectoid steels are heated up to a very high amount of temperature. The temperature to which they are taken is 723°C.