Sheet steel product provided with an anticorrosion coating and process for producing it

Steel flat product comprises a steel substrate, such as a steel strip or sheet, and a zinc-based anti-corrosion coating containing (in wt.%) 0.25-2.5 magnesium, 0.2-3.0 aluminum, not more than 4.0 iron and up to 0.8 in total of lead, bismuth, cadmium, titanium, boron, silicon, copper, nickel, cobalt...

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Bibliographische Detailangaben
Hauptverfasser:	ALEXANDER ELSNER, WILHELM WARNECKE, MANFRED MEURER, RUDOLF SCHONENBERG, MICHAEL KELLER
Format:	Patent
Sprache:	eng
Schlagworte:	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 INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	Steel flat product comprises a steel substrate, such as a steel strip or sheet, and a zinc-based anti-corrosion coating containing (in wt.%) 0.25-2.5 magnesium, 0.2-3.0 aluminum, not more than 4.0 iron and up to 0.8 in total of lead, bismuth, cadmium, titanium, boron, silicon, copper, nickel, cobalt, chromium, manganese, tin and rare earth metals. The anti-corrosion coating is arranged in an intermediate layer which extends between a surface layer lying directly next to the surface of the product. An independent claim is also included for a method for the production of the steel flat product.