Materials and welding metallurgy
Fe–Fe₃C
The iron–carbon diagram explains phases, transformation temperatures and microstructures in steels and cast irons. The module connects composition and thermal history with ferrite, austenite, cementite and pearlite.
Open interactive module →Topic overview
Note: The solid white line represents the teaching-model shift caused by alloying elements; the dashed line represents the basic Fe–Fe₃C system. Actual boundaries require suitable databases and the specific chemical analysis.
What the module covers
- Interactive metastable Fe–Fe₃C diagram
- Fe–Fe₃C diagram legend
- Alloying elements
Educational content does not replace current standards, approved WPS/WPQR documentation or decisions by competent welding coordination personnel.
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