Iron is a Ship Customization material found in Pirates Online by sinking ships, primarily Bounty Hunters. It is used when upgrading a pirate's ship to increase hull armor.
Once recovered, Iron is added to the Pirate's Inventory in the Materials Pouch.
Game Note[]
In Pirates of the Caribbean: Isles of War, Iron is a rare material used to build buildings, ships and weapons. It can only be obtained from completing quests, plundering islands or sinking enemy fleets.