METHOD FOR PROVIDING A ZN-AL-MG COATING, AND SUCH COATING

A method for providing a Zn-Al-Mg coating on a steel strip using a hot dip coating process with a coating bath, wherein the thickness of the coating is controlled using gas knifes above the coating bath. Specific amounts of Mg and Al are chosen, in a relationship wherein the amount of Al is higher t...

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Bibliographische Detailangaben
Hauptverfasser:	VAN EENENNAAM, Jaap Peter, TOOSE, Edgar Matthijs, CHEN, Shangping
Format:	Patent
Sprache:	eng
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:	A method for providing a Zn-Al-Mg coating on a steel strip using a hot dip coating process with a coating bath, wherein the thickness of the coating is controlled using gas knifes above the coating bath. Specific amounts of Mg and Al are chosen, in a relationship wherein the amount of Al is higher than the amount of Mg. Also provided is a steel strip having a Zn-Al-Mg coating provided by hot dip coating.