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 | , , , , |
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Format | Patent |
Language | English French German |
Published |
15.05.2024
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Subjects | |
Online Access | Get full text |
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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). |
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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 |
Author_xml | – fullname: TAKAHASHI, Hideyuki – fullname: YAMASHIRO, Kenji – fullname: TERASAKI, Yu – fullname: KAKU, Yoshihiko – fullname: KOYAMA, Takumi |
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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 |
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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... |
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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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