Template:Steels

Iron alloy phases v • d • e
	Ferrite (α-iron, δ-iron); Austenite (γ-iron); Pearlite (88% ferrite, 12% cementite); Bainite; Martensite; Ledeburite (ferrite-cementite eutectic, 4.3% carbon); Cementite (iron carbide, Fe3C)
Steel classes
	Carbon steel (≤2.1% carbon; low alloy); Stainless steel (+chromium); Maraging steel (+nickel); Alloy steel (hard); Tool steel (harder);
Other iron-based materials
	Cast iron (>2.1% carbon); Ductile iron; Wrought iron (contains slag);