Which of the following statements are true for annealing of steels?

Question: Which of the following statements are true for annealing of steels?
[A].

Steels are heated to 500 to 700° C

[B].

Cooling is done slowly and steadily

[C].

Internal stresses are relieved

[D].

all of these

Answer: Option D

Explanation:

No answer description available for this question.