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Which of the following is not an objective of annealing?

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in Casting-Forming-Welding II by (119k points)
Which of the following is not an objective of annealing?

(a) Softening of steel

(b) Hardening of steel

(c) Increase ductility

(d) Relieve internal stress

The question was posed to me by my college professor while I was bunking the class.

The doubt is from Annealing and Normalizing in division Heat treatment of Metals and Alloys of Casting-Forming-Welding II

1 Answer

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Right choice is (b) Hardening of steel

Best explanation: Among the many purposes of treating the steel through annealing is softening of steel, hardening of steel and relieving the internal stresses, but annealing is not used for hardening of the steel.

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