This is a list of iron alloys. Included are various types of iron and steel.
- Steel (carbon)
- Stainless steel (chromium, nickel)
- AL-6XN
- Alloy 20
- Celestrium
- Marine-grade stainless steel
- Martensitic stainless steel
- Surgical stainless steel (chromium, molybdenum, nickel)
- Silicon steel (silicon)
- Tool steel (tungsten or manganese)
- Bulat steel
- Chromoly (chromium, molybdenum)
- Crucible steel
- Damascus steel
- HSLA steel
- High-speed steel
- Maraging steel
- Reynolds 531
- Wootz steel
- Iron
- Anthracite iron (carbon)
- Cast iron (carbon)
- Pig iron (carbon)
- Wrought iron (carbon)
- Fernico (nickel, cobalt)
- Elinvar (nickel, chromium)
- Invar (nickel)
- Kovar (cobalt)
- Spiegeleisen (manganese, carbon, silicon)
- Ferroalloys
- Ferroboron
- Ferrochrome (chromium)
- Ferromagnesium
- Ferromanganese
- Ferromolybdenum
- Ferronickel
- Ferrophosphorus
- Ferrotitanium
- Ferrovanadium
- Ferrosilicon