All metals are susceptible to corrosion in some form or another, but the term ‘Rust’ is only used when referring to Iron, Iron alloys, and steel.
Aluminum, Brass, Bronze, Galvanised steel, Stainless Steel, Copper, Titanium, and noble metals such as Gold, Silver, and Platinum are all metals that do not rust. They can corrode, stain, or tarnish, but they will not rust.