METHOD OF MANUFACTURING A CONTINUOUS HOT DIP COATED STEEL STRIP AND HOT DIP COATED STEEL SHEET

This invention relates to a method of manufacturing a hot dip coated steel strip, wherein coating takes place by leading the strip through a bath of molten metal comprising Al, the remainder of the metal being Zn, inevitable impurities and optionally a maximum of 0.3 % of one or more additional elem...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	VAN VELDHUIZEN, Hendrik Bart, VRENKEN, Jurgen Wilhelmus, BOTTEMA, Jan, TOOSE, Edgar Matthijs, BEENTJES, Petrus Cornelis Jozef, HUISERT, Mattheüs Hendrik Marinus
Format:	Patent
Sprache:	eng ; fre
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:	This invention relates to a method of manufacturing a hot dip coated steel strip, wherein coating takes place by leading the strip through a bath of molten metal comprising Al, the remainder of the metal being Zn, inevitable impurities and optionally a maximum of 0.3 % of one or more additional elements, characterized in that the composition of the bath is controlled so as to have an aluminium content of more than 0.50 %. Cette invention concerne un procédé de fabrication d'une bande d'acier revêtue par immersion à chaud, le revêtement étant effectué par acheminement de la bande à travers un bain de métal en fusion comprenant de l'Al, le reste du métal étant du Zn, les inévitables impuretés et éventuellement un maximum de 0,3 % d'un ou de plusieurs éléments supplémentaires. Le procédé est caractérisé en ce que la composition du bain est contrôlée de manière à avoir une teneur en aluminium supérieure à 0,50 %.