ANNEALING METHOD

The invention relates to a method for the manufacture of a steel sheet, in a device comprising a pre-heating section, a heating section having a maximal heating rate and a soaking section comprising a calibrating step, a recrystallization annealing and a soaking and a coating step. The calibration s...

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Bibliographische Detailangaben
Hauptverfasser:	BERTRAND, Florence, SAINT-RAYMOND, Hubert, HUIN, Didier
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ALLOYS BLASTING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL FERROUS OR NON-FERROUS ALLOYS FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL KILNS LIGHTING MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS OPEN SINTERING OR LIKE APPARATUS OVENS RETORTS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a method for the manufacture of a steel sheet, in a device comprising a pre-heating section, a heating section having a maximal heating rate and a soaking section comprising a calibrating step, a recrystallization annealing and a soaking and a coating step. The calibration step permits to define a lower dew point permitting to achieve a predefined quality target. L'invention concerne un procédé de fabrication d'une tôle d'acier dans un dispositif comprenant une section de préchauffage, une section de chauffage ayant un taux de chauffage maximal et une section de maintien à température comprenant une étape d'étalonnage, une étape de recuit de recristallisation, une étape de maintien à température et une étape de revêtement. L'étape d'étalonnage permet de définir un point de rosée inférieur permettant d'obtenir une cible de qualité prédéfinie.