Iron Ingots are used to craft iron tools, iron weapons, iron armor, building blocks and many other items. It can be crafted by smelting 3x Iron Ore.
Zirconium Ore - Ylands Wiki
Wall Lamp - Ylands Wiki
I am the Lorax, I speak for the trees. : r/Ylands
Package of Copper - Ylands Wiki
Industrial Iron Fence (Cross) - Ylands Wiki
0.6: Countless Colors (16/11/2017) - Changelogs - Ylands
Iron Ingot - Guild Wars Wiki (GWW)
Metal Container - Ylands Wiki
Ylands (u/Ylands) - Reddit
Reinforced Ship - Ylands Wiki
Blades:Iron Ingot - The Unofficial Elder Scrolls Pages (UESP)