METAL SHEET WITH ZINC HYDROXYSULFATE/ZINC SULFATE-BASED PROTECTION LAYER

A sheet includes a steel substrate; a coating covering at least one face of the steel substrate, the coating comprising zinc, magnesium and aluminum; and a zinc hydroxysulfate/zinc sulfate-based temporary protection layer applied over the coating, the temporary protection layer having a sulfur conte...

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Bibliographische Detailangaben
Hauptverfasser:	Monnoyer, Maxime, Chaleix, Daniel, Allely, Christian, Feltin, Pascale
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR 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 ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	A sheet includes a steel substrate; a coating covering at least one face of the steel substrate, the coating comprising zinc, magnesium and aluminum; and a zinc hydroxysulfate/zinc sulfate-based temporary protection layer applied over the coating, the temporary protection layer having a sulfur content greater than or equal to 0.5 mg/m2 and less than or equal to 30 mg/m2.