METHOD FOR PRODUCING GALVANIZED FINE OR ULTRAFINE SHEET METAL WITH HIGH CORROSION RESISTANCE

The invention relates to a method for producing galvanized fine or ultrafine sheet metal with high corrosion resistance made of a hot-rolled steel strip, involving the following steps: - galvanically coating the steel strip (1) with zinc, - temper rolling the zinc-coated surface of the steel strip (...

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Bibliographische Detailangaben
Hauptverfasser:	THANNHÄUSER, LUTZ, LOMMEL, TANJA, RINK, HANS-PETER, STEIN-FECHNER, KATHLEEN, SAUER, REINER, HOFFMANN, BERND
Format:	Patent
Sprache:	eng ; pol
Schlagworte:	APPARATUS THEREFOR CHEMISTRY ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to a method for producing galvanized fine or ultrafine sheet metal with high corrosion resistance made of a hot-rolled steel strip, involving the following steps: - galvanically coating the steel strip (1) with zinc, - temper rolling the zinc-coated surface of the steel strip (1), - applying a polymer coating or an organic lacquer to the zinc-coated surface of the steel strip (1) on one or both sides. The invention further relates to a device for performing the method, comprising a transport device (7) for continuously transporting an endless steel strip (1), a cold rolling device (6) for cold-rolling the transported steel strip (1) to a thickness of less than 1mm, a coating device (11) for galvanically coating the steel strip (1) with zinc, a rolling device (5) with temper rollers (5a) for tempering the galvanized surface of the steel strip (1), a heating device (4) for heating the steel strip (1), and a plastic coating device (8) for applying a polymer coating or an organic lacquer onto the zinc-coated surface of the steel strip (1) on one or both sides.