Heating the Hypo-eutectoid steels to 30°C above the upper critical temperature line, soaking at that temperature and then cooling slowly to the room temperature to form a pearlite & ferrite structure is called_______________________?

Chemical Engineering Mcqs

Heating the Hypo-eutectoid steels to 30°C above the upper critical temperature line, soaking at that temperature and then cooling slowly to the room temperature to form a pearlite & ferrite structure is called_______________________?

(A)  Tempering

(B)  Hardening

(C)  Annealing

(D)  Normalising

Submitted By :Ali Uppal

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