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What is the carburizing temperature?

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What is the carburizing temperature?

(a) 150-250^oC

(b) 400-450^oC

(c) 650-700^oC

(d) 900-950^oC

The question was posed to me in final exam.

I would like to ask this question from Carburizing topic in section Heat Treatment of Engineering Material & Metallurgy

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The correct answer is (d) 900-950^oC

Explanation: The components to be heat treated and the carburizing mixture are packed in steel boxes and their lids are fixed on the boxes. This is then heat treated at 900-950^oC and maintained at this temperature for up to six hours. After carburizing, the components are quenched slowly in the box.

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