___________ is the process of saturating the surface layer of steel with nitrogen by heating.(a) Nitriding(b) Normalising(c) Nitrating(d) TemperingThis question was posed to me in an interview for internship.My question is from Steel topic in portion Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys of Construction & Building Materials

___________ is the process of saturating the surface layer of steel wi

1.	___________ is the process of saturating the surface layer of steel with nitrogen by heating.(a) Nitriding(b) Normalising(c) Nitrating(d) TemperingThis question was posed to me in an interview for internship.My question is from Steel topic in portion Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys of Construction & Building Materials
Answer» CORRECT option is (a) Nitriding For explanation: Nitriding is the process of SATURATING the surface LAYER of steel with nitrogen by heating. This process makes the steel HARD and increases its resistance to corrosion.

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