With iron-based metals, battling oxidation can ... Completely untreated raw sheet steel can rust through in as little as a few years. Then there’s the effect of salt. Road salts and other ...

But there are any number of elements that might affect how quickly things rust. Thinner sheets of iron rust more readily, and ...

Sure, at first your cast iron might look like it's seen better days, but resist the urge to panic. The rust is just what happens ... with a baking sheet on the lower rack to catch any oil drips.