PHASE IN STEEL
A BCC solid solution of carbon in gamma iron also called alpha iron, Fe Iron carbide, Fe C Gamma iron, a stable phase of 300 series stainless, is formed when heated above the A3 transformation line, forming an FCC solid solution of carbon in iron. A layered or lamellar structure composed of ferrite and cementite A phase of iron, which forms on cooling, very fine particle size An unstable constituent of iron formed without diffusion by rapid quenching from austenite phase above the A3 transformation line
FERRITE
CEMENTITE
AUSTENITE
PERALITE
BAINITE
MARTENSITE
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