METHOD FOR APPLYING A PROTECTIVE COATING TO A FLAT STEEL PRODUCT

Method for applying protective coating on flat steel product involves applying protective coating on a flat steel product at 400-490[deg] C in a zinc alloy molten bath containing aluminum component and a magnesium component and having bath temperature of 400-480[deg] C. The zinc alloy molten bath co...

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Bibliographische Detailangaben
Hauptverfasser:	RIENER, Christian K, FISCHER, Wilhelm, HOFER, Klaus, ANGELI, Gerhard
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS 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 INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY PERFORMING OPERATIONS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	Method for applying protective coating on flat steel product involves applying protective coating on a flat steel product at 400-490[deg] C in a zinc alloy molten bath containing aluminum component and a magnesium component and having bath temperature of 400-480[deg] C. The zinc alloy molten bath contains 1.8-3 wt.% aluminum, 1.3-2.7 wt.% magnesium, and remainder of zinc and unavoidable impurities. The content of aluminum is more than the content of magnesium. Method for applying protective coating on flat steel product involves applying protective coating on a flat steel product at 400-490[deg] C in a zinc alloy molten bath containing aluminum component and a magnesium component and having bath temperature of 400-480[deg] C. The zinc alloy molten bath contains 1.8-3 wt.% aluminum, 1.3-2.7 wt.% magnesium, and remainder of zinc and unavoidable impurities. The content of aluminum is more than the content of magnesium. The content of magnesium in the zinc alloy molten bath with respect to total content of aluminum and magnesium in the zinc alloy molten bath is 0:31-0:44. An independent claim is included for flat steel product, which comprises protective coating containing 1.8+- 0.2-3+- 0.2 wt.% aluminum, and 1.3+- 0.2-2.7+- 0.2 wt.% magnesium.