The Problems of Rust
Rust is a reddish-brown crust that forms on materials that contain iron. Rust can be removed from metal year after year, layer after layer, without causing appreciable damage to the structural value of the metal. This is the main reason why metal is such a good buy in the long run.
Shielding Your Metals
Paint and oil are two types of coatings that can be relied upon to shield a metal surface, and, therefore, prevent oxygen and water from doing their damage.
The real secret to dealing with rust is to remove as much of it as possible before attempting to apply a new finish. Depending upon the configuration of the item in question, removing rust can be a tedious process that requires lots of elbow grease. Here are the different methods.