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Define ferrous and non-ferrous metals. Explain both of them with some examples.
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Ferrous and Non-Ferrous

All the metals used in engineering work can be classified into two categories: Ferrous and Non-Ferous. Ferrous metals are those in which the chief constituent is iron. Hence iron, Steel and their alloys fall under this category. Non-ferrous metals are those which do not contain iron. Metals like lead, copper, inc and tin, etc, and their alloys fall under this category of metal classification. Non-ferrous metals are more costly as compared to ferrous metals, but their use in many cases is unavoidable because of some special qualities they possess; like good conductivity of heat and electricity lightness in Weight, good machinability high resistance to corrosion and property of being and-magnetic.

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