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The knowledge of materials and their properties is of great importance for a design engineer.
The engineering materials are mainly classified as :-
- Metals and their alloys: Iron,Steel,copper,Aluminium etc.
- Non-metals: Glass,Rubber,Plastic etc.
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- Ferrous metals: it has iron as their main constituent (Such as cast iron, wrought iron and steel)
Non-Ferrous metals: It have metal other than iron as their main constituent (Such as copper, aluminium, brass, tin, zinc etc )
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