Question

Aluminium or its alloy but not iron is used to make the body of an aeroplane although iron is much harder than aluminium.why?

Answer 1

Aluminum is used on most types of aircraft because it is lightweight and strong. Aluminum alloys don't corrode as readily as steel. It has also been used for the skin of some high-speed airplanes, because it holds its strength at higher temperatures better than aluminum.

Answer 2

Answer:

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Why do you think that Aluminium and not iron is used to make bodies of airplanes?

Aluminum (blended with small quantities of other metals) is used on most types of aircraft because it is lightweight and strong. Aluminum alloys don't corrode as readily as steel. ... It has also been used for the skin of some high-speed airplanes, because it holds its strength at higher temperatures better than aluminum.