Why are water pipes galvanised?
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Galvanized pipes are steel pipes that have been dipped in a protective zinc coating to prevent corrosion and rust. Galvanized piping was commonly installed in homes built before 1960. ... Today, however, we have learned that decades of exposure to water will cause galvanized pipes to corrode and rust on the inside.
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this is because if it is not galvanised it will get affected by hydrated oxide
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