8295Chemical EngineeringMedium
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________?
ATempering
BNormalising
CHardening
DAnnealing
Correct answer
D. Annealing
Explanation
The correct answer is Annealing.