Method for manufacturing hot-dip metal plated steel strip, and continuous hot-dip metal plating facility

Provided is a method for manufacturing a hot-dip metal plated steep strip, whereby it is possible to manufacture a high-quality hot-dip metal plated steel strip in which edge overcoating is adequately suppressed. This method for manufacturing a hot-dip metal plated steel strip is characterized in th...

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Bibliographische Detailangaben
Hauptverfasser:	TAKAHASHI, Hideyuki, TERASAKI, Yu, KAKU, Yoshihiko, KOYAMA, Takumi
Format:	Patent
Sprache:	eng
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:	Provided is a method for manufacturing a hot-dip metal plated steep strip, whereby it is possible to manufacture a high-quality hot-dip metal plated steel strip in which edge overcoating is adequately suppressed. This method for manufacturing a hot-dip metal plated steel strip is characterized in that when a gas is blown from a pair of gas wiping nozzles 20A, 20B to a steel strip S raised from a molten metal bath 14 to adjust the amount of molten metal adhering to both surfaces of the steel strip, a pair of buffer plates 40, 42 is provided on the outside of both ends in the width direction of the steel strip, and the height B of lower ends of the pair of buffer plates 40, 42 with respect to the surface of the molten metal bath is no more than +50 mm, the positive direction being vertically upward.