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Which of the following metal is the best material selection combination for the nitric acid environment?

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in Corrosion Engineering by (98.5k points)
Which of the following metal is the best material selection combination for the nitric acid environment?

(a) Tin

(b) Nickel and its alloys

(c) Stainless steels

(d) Steel

This question was posed to me during a job interview.

This interesting question is from Prevention topic in portion Corrosion Prevention of Corrosion Engineering

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Correct answer is (c) Stainless steels

For explanation I would say: Stainless steels are the best combination of metal for the nitric acid environment. Stainless steels readily form a passive oxide film in nitric acid. This minimizes or reduces the corrosion damage.

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