Either steel or aluminum, or both, could be used to make engine pistons. Aluminum is lighter but not as strong.
Heavy metal!!
copper metal is ussualy used for making pipes
The metal is Tungsten.
Mostly "COPPER" is used in making wires
Pistons are car parts often made out of a metal like stainless steel. These pistons are meant to move under high friction and must be a metal that can withstand the heat. +++ They are usually made of aluminium-alloy.
Tin
steel.
Electrum
Silicon
silver is used for making spaceships
copper is used in making varakh
Aluminum