5. Grain magnification of stainless steels
5.1 Ferritic stainless steels
Ferritic stainless steels are subject to grain coarsening during high-temperature operations: reheating of slabs or blooms before hot rolling, heat-affected zone of welded joints.
When annealing or homogenizing between 750 and 1,000°C, grain coarsening poses no particular problem.
5.2 Martensitic and austenitic stainless steels
At high temperatures, these steels have an austenitic structure. When treating these steels, in order to obtain a homogeneous phase, the aim is to dissolve...
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Grain magnification of stainless steels
Conclusion
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