Baño de galvanización de cinc por inmersión en caliente y producto de hierro chapado en cinc

Un baño de galvanización por inmersión en caliente que contiene del 0,005 al 0,2% en masa de Cu y del 0,001 al0,1% en masa de Al y que contiene del 0,05 al 5,0% en masa de Bi, siendo el resto Zn e impurezas inevitables. OBJECT An object of the invention is to provide a hot-dip galvanizing bath which...

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Bibliographische Detailangaben
Hauptverfasser:	OOHASHI, KAZUYOSHI, KOSAKA, YOSHIHARU
Format:	Patent
Sprache:	spa
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 METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	Un baño de galvanización por inmersión en caliente que contiene del 0,005 al 0,2% en masa de Cu y del 0,001 al0,1% en masa de Al y que contiene del 0,05 al 5,0% en masa de Bi, siendo el resto Zn e impurezas inevitables. OBJECT An object of the invention is to provide a hot-dip galvanizing bath which provides excellent corrosion resistance and appearance, and a galvanized iron article. ARRANGEMENT A hot-dip galvanizing bath contains 0.005 to 0.2 mass% of Cu. In this case, the hot-dip galvanizing bath preferably further contains 0.001 to 0.1 mass% of Al. A Zn-Bi galvanizing bath preferably contains 0.05 to 5.0 mass% of Bi, and a Zn-Pb galvanizing bath preferably contains 0.05 to 3.0 mass% of Pb. An iron article galvanized using the above hot-dip galvanizing bath exhibits an excellent appearance and corrosion resistance.