MOLTEN METAL-PLATED STEEL STRIP PRODUCTION METHOD

Provided is a method for manufacturing a hot-dip metal-coated steel strip with which it is possible to inhibit a splash defect from occurring.The method for manufacturing a hot-dip metal-coated steel strip includes continuously dipping a steel strip S in a molten metal bath 4, injecting a gas from g...

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Main Authors TAKAHASHI, Hideyuki, YAMASHIRO, Kenji, TERASAKI, Yu, KAKU, Yoshihiko, KOYAMA, Takumi
Format Patent
LanguageEnglish
French
German
Published 15.05.2024
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Abstract Provided is a method for manufacturing a hot-dip metal-coated steel strip with which it is possible to inhibit a splash defect from occurring.The method for manufacturing a hot-dip metal-coated steel strip includes continuously dipping a steel strip S in a molten metal bath 4, injecting a gas from gas injection ports of paired gas wiping nozzles 10A and 10B arranged on both front and back surface sides of the steel strip S onto the steel strip S pulled-up from the molten metal bath 4 to adjust an adhesion amount of molten metal which adheres to both surfaces of the steel strip S, and continuously manufacturing a hot-dip metal-coated steel strip, in which, when an angle between an injection direction of the gas and a horizontal plane is defined as θ (°), a distance between a front edge of the gas injection port and the steel strip S is defined as D (mm), and a width of the gas injection port is defined as B (mm), the paired gas wiping nozzles 10A and 10B are operated under conditions in a range of θ being 10 to 60, a D/B of 3 to 12, and a D/B of equal to or less than (0.1 × θ + 9).
AbstractList Provided is a method for manufacturing a hot-dip metal-coated steel strip with which it is possible to inhibit a splash defect from occurring.The method for manufacturing a hot-dip metal-coated steel strip includes continuously dipping a steel strip S in a molten metal bath 4, injecting a gas from gas injection ports of paired gas wiping nozzles 10A and 10B arranged on both front and back surface sides of the steel strip S onto the steel strip S pulled-up from the molten metal bath 4 to adjust an adhesion amount of molten metal which adheres to both surfaces of the steel strip S, and continuously manufacturing a hot-dip metal-coated steel strip, in which, when an angle between an injection direction of the gas and a horizontal plane is defined as θ (°), a distance between a front edge of the gas injection port and the steel strip S is defined as D (mm), and a width of the gas injection port is defined as B (mm), the paired gas wiping nozzles 10A and 10B are operated under conditions in a range of θ being 10 to 60, a D/B of 3 to 12, and a D/B of equal to or less than (0.1 × θ + 9).
Author KAKU, Yoshihiko
YAMASHIRO, Kenji
TAKAHASHI, Hideyuki
KOYAMA, Takumi
TERASAKI, Yu
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– fullname: KAKU, Yoshihiko
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DocumentTitleAlternate HERSTELLUNGSVERFAHREN FÜR MIT GESCHMOLZENEM METALL PLATTIERTES STAHLBAND
PROCÉDÉ DE PRODUCTION D'UNE BANDE D'ACIER PLAQUÉE DE MÉTAL FONDU
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RelatedCompanies JFE Steel Corporation
RelatedCompanies_xml – name: JFE Steel Corporation
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Snippet Provided is a method for manufacturing a hot-dip metal-coated steel strip with which it is possible to inhibit a splash defect from occurring.The method for...
SourceID epo
SourceType Open Access Repository
SubjectTerms 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
Title MOLTEN METAL-PLATED STEEL STRIP PRODUCTION METHOD
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