Why is copper used to make water pipes rather than magnesium?

Answer 1

copper doesn't rust while iron in an all water environments will form ironoxide (rust) in a very short period of time thus creating the need for something that has similer characteristics but won't rust i.e. copper, it is also cheaper.

Answer 2

Copper does not rust.

Copper is easier to soldier together.

Less heat is taken out of the water by the thin copper than thicker steel.

Answer 3

Copper dosnt rust or break in the cold as easily

Answer 4

Copper is suited for pipes, but not for moulding into faucets as it's not strong. All faucets are steel, with a chrome coating.

Answer 5

magneaium isnot as strong as copper.