* Sam uses an iron bar to repel the [[Acheri Demon]] in [[2.21 All Hell Breaks Loose: Part One]]
* In [[2.22 All Hell Breaks Loose: Part Two]] a [[devil's trap (symbol)|devil's trap]] made of an iron railroad, is what keeps the [[Yellow-Eyed Demon]] from the devil's gate in Wyoming.
* [[Bobby's Panic Room]] is made of iron coated with [[Salt]]