|Steel Plate Armor|
|Class: Heavy Armor, Cuirass|
|Upgrade Material: Corundum Ingot|
|Perk: Advanced Armors|
- Worn by Uthgerd the Unbroken, Bolgeir Bearclaw, Kharjo, Umana and Salma.
- Worn by Black Briar mercenaries at Black-Briar Lodge.
It can be upgraded with a Corundum Ingot at a workbench and also benefits from the Advanced Armors perk, which doubles the improvement.