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
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
