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Which of the following is required for the nitriding process?

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in Engineering Material & Metallurgy by (773k points)
Which of the following is required for the nitriding process?

(a) Carbon

(b) Nitralloy

(c) Niobium

(d) Zirconium

The question was asked in a job interview.

Origin of the question is Nitriding, Cyaniding and Carbonitriding topic in section Heat Treatment of Engineering Material & Metallurgy

1 Answer

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Best answer
The correct choice is (b) Nitralloy

Easy explanation: Nitriding differs from case-hardening as they contain nitrogen instead of carbon. Nitriding requires special steels called ‘Nitralloy’. This is because hardness depends on the formation of very hard compounds of nitrogen and metal such as aluminum, chromium, and vanadium present in the steel.

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