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___________ steel is required when high hardness is desired and ductility is not crucial.

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___________ steel is required when high hardness is desired and ductility is not crucial.

(a) High-carbon steel

(b) Low-carbon steel

(c) Medium-carbon steel

(d) Wrought iron

I had been asked this question during an interview.

Enquiry is from Steel and its Alloys-2 topic in portion Steel and its Alloys of Aerospace Materials & Processes

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The correct choice is (a) High-carbon steel

Easy explanation: Different types of steel, or steel that differs in its components and concentration of carbon show different properties. High-carbon steel is required when ductility is not crucial but hardness is important.

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