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Home/Reference Data/Binary Phase Diagrams/Fe-C/A3-boundary-hypoeutectoid

A3-Boundary-Hypoeutectoid — Fe-C

Alloy System
Fe-C
Invariant Point Or Boundary
A3 Boundary Hypoeutectoid
Component 1 Name
C
Component 2 Name
Fe
Composition 1 Wt Pct (wt%)
0.022
Engineering Significance
Defines Normalizing and Austenitizing Temperatures for Low-Carbon Steels
Phase Alpha
Ferrite
Phase Beta
Austenite
Phase Description
Alpha-Ferrite to Austenite (gamma) Boundary at Low Carbon End
Reaction Type
Phase Boundary
Temperature C (C)
912

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Fe-C — invariant point or boundary A3_boundary_hypoeutectoid · engineering significance Defines normalizing and austenitizing temperatures for low-carbon steels · phase description Alpha-ferrite to austenite (gamma) boundary at low carbon end · composition 1 wt pct 0.022 wt% · temperature C 912 C | Binary Phase Diagrams | Engineering Database