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Home/Reference Data/Binary Phase Diagrams/Fe-C/eutectic

Eutectic — Fe-C

Alloy System
Fe-C
Invariant Point Or Boundary
Eutectic
Component 1 Name
C
Component 2 Name
Fe3C
Composition 1 Wt Pct (wt%)
4.3
Engineering Significance
Boundary Between Hypoeutectic and Hypereutectic Cast iron; Key for Foundry Practice
Phase Alpha
Austenite
Phase Beta
Cementite
Phase Description
Liquid -> Austenite + Cementite (Fe3C); Ledeburite Microstructure
Phase Gamma
Ledeburite
Reaction Type
Eutectic
Temperature C (C)
1,148

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Fe-C — invariant point or boundary eutectic · engineering significance Boundary between hypoeutectic and hypereutectic cast iron; key for foundry… · phase description Liquid -> austenite + cementite (Fe3C); ledeburite microstructure · composition 1 wt pct 4.3 wt% · temperature C 1148 C | Binary Phase Diagrams | Engineering Database