Lore:Metals The Unofficial Elder Scrolls Pages (UESP)
This ore could further be smelted into ingots, or combined with iron ore to create steel. Corundum was used by blacksmiths to forge arms and armor in the Nordic style during the midSecond Era, and was widely available. Steel plate armor can be made by adding iron to molten corundum. The resulting alloy is stronger than either metal by itself.