Wax Steel To Prevent Rust. Rust can affect iron and its alloys, including steel. Rust is an oxidisation process. If oxygen can't reach the metal, the metal can't rust.
Learn 9 ways to prevent metal from rusting.
Closed cell foam should really seal it off, and prevent air or moisture from moving. If oxygen can't reach the metal, the metal can't rust. Therefore, if you protect the metal (iron) from oxygen (the air, water, etc.) then you should be able to prevent rust. Wax prevents oxygen from reaching the metal. The rust rep is overblown for that steel and i don't know why. Closed cell foam should really seal it off, and prevent air or moisture from moving. Steel rusts when it oxidizes, due to exposure to oxygen. It resists rust and stains in the dishwasher and keeps your kitchen and home.