Aluminium and its Alloys

The non-ferrous metals are those which contain a metal other than iron as their chief constituent. The non-ferrous metals are usually employed in industry due to the following characteristics: Easy to fabricate i.e., casting, rolling, forging, welding and machining, High resistance to corrosion, Very good electrical and thermal conductivity, Low weight and attractive appearance. The various non-ferrous metals used in engineering practice are aluminium, copper, lead, tin. Zinc, nickel etc, and their alloys. Aluminium The chief source of Aluminium is a clayey mineral called ‘Bauxite’, which is a hydrated aluminium…

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