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Addition of _______ gives stainless steels an austenitic structure.

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Addition of _______ gives stainless steels an austenitic structure.

(a) Molybdenum

(b) Carbon

(c) Nickel

(d) Vanadium

This question was addressed to me by my college professor while I was bunking the class.

The above asked question is from Stainless Steels & Other Steels in portion Diffusion in Solids & Ferrous Materials of Engineering Material & Metallurgy

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Right choice is (c) Nickel

The best I can explain: Nickel is added to stainless steels with a 3.5% to 22% composition to form austenitic structure. This results in the highest corrosion resistance among all stainless steels. They also possess high strength and ductility.

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