Question

which metal is used for making boiler why?​

Answer 1

Answer:

Materials. The pressure vessel of a boiler is usually made of steel (or alloy steel), or historically of wrought iron. Stainless steel, especially of the austenitic types, is not used in wetted parts of boilers due to corrosion and stress corrosion cracking.

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Answer 2

Answer:

aluminum is used for making boilers