Engineering Materials 

The knowledge of materials and their properties is of great importance for a design engineer. 

The engineering materials are mainly classified as :- 

1. Metals and their alloys: Iron,Steel,copper,Aluminium etc.
   

   
2. Non-metals: Glass,Rubber,Plastic etc. 
3. 

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The metals further classified as: 

1. 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 )