WO2016056178A1 - Procédé de métallisation par immersion à chaud en continu, bande d'acier zinguée par immersion à chaud et matériel de métallisation par immersion à chaud en continu - Google Patents

Procédé de métallisation par immersion à chaud en continu, bande d'acier zinguée par immersion à chaud et matériel de métallisation par immersion à chaud en continu Download PDF

Info

Publication number
WO2016056178A1
WO2016056178A1 PCT/JP2015/004715 JP2015004715W WO2016056178A1 WO 2016056178 A1 WO2016056178 A1 WO 2016056178A1 JP 2015004715 W JP2015004715 W JP 2015004715W WO 2016056178 A1 WO2016056178 A1 WO 2016056178A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas
steel strip
molten metal
wiping nozzle
metal plating
Prior art date
Application number
PCT/JP2015/004715
Other languages
English (en)
Japanese (ja)
Inventor
優 寺崎
高橋　秀行
三宅　勝
悠祐 安福
琢実 小山
淳史 稲葉
佐々木　成人
Original Assignee
Ｊｆｅスチール株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ｊｆｅスチール株式会社 filed Critical Ｊｆｅスチール株式会社
Priority to KR1020177009127A priority Critical patent/KR101910756B1/ko
Priority to JP2016501923A priority patent/JP6011740B2/ja
Priority to CN201580054270.3A priority patent/CN106795614B/zh
Priority to EP15848228.1A priority patent/EP3205741B1/fr
Priority to MX2017004585A priority patent/MX2017004585A/es
Publication of WO2016056178A1 publication Critical patent/WO2016056178A1/fr

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/06—Zinc or cadmium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C18/00—Alloys based on zinc
    • C22C18/04—Alloys based on zinc with aluminium as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
    • C23C2/16—Removing excess of molten coatings; Controlling or regulating the coating thickness using fluids under pressure, e.g. air knives
    • C23C2/18—Removing excess of molten coatings from elongated material
    • C23C2/20—Strips; Plates
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36—Elongated material
    • C23C2/40—Plates; Strips
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/50—Controlling or regulating the coating processes
    • C23C2/52—Controlling or regulating the coating processes with means for measuring or sensing

Definitions

  • the present invention relates to a continuous molten metal plating method, a hot dip galvanized steel strip, and a continuous molten metal plating facility.
  • the steel strip 1 enters the molten metal 4 in the plating tank 3 from the inside of the snout 2, is turned by the sink roll 5, and is pulled up from the plating tank 3.
  • excess molten metal is scraped off by the gas wiping nozzle 6 installed above the plating tank 3 and controlled to a predetermined plating adhesion amount, and the molten metal attached to the surface of the steel strip 1 Uniform in the longitudinal direction of the plate.
  • the gas wiping nozzle 6 is usually configured to be longer than the steel strip width in order to cope with various steel strip widths and to cope with positional deviation in the width direction when the steel strip is pulled up. It extends to the outside from the width end.
  • corrugated flow-shaped hot water wrinkles are generated on the plating surface due to the minute vibration of the steel strip caused by the wiping gas spraying and irregular hot water flow in the plating layer. Often to do. Plated steel sheets with such hot water wrinkles should be suitable for coating processes with excellent appearance when the surface of the coating, especially the smoothness, is obstructed when the plating surface is used as the coating base surface in the application of exterior panels. It cannot be used for an exterior plate, and has a great influence on the yield of plated steel plates.
  • the method disclosed in Patent Document 1 is a method for making hot wrinkles inconspicuous by changing the surface properties and rolling conditions of a temper rolling roll when performing temper rolling, which is a step after steel plate plating.
  • the surface roughness of the steel sheet is adjusted according to the amount of plating applied using a skin pass mill, a tension leveler, etc. It is a method of suppressing the above.
  • the method disclosed in Patent Document 3 is a method for suppressing generation of hot water wrinkles by setting an appropriate line speed with respect to the plate thickness and the height of the wiping nozzle from the bath surface.
  • JP 2004-27263 A JP-A-55-21564 Japanese Patent Laid-Open No. 9-41113
  • the method disclosed in Patent Document 1 improves minor hot water wrinkles, but has no effect on severe hot water wrinkle defects.
  • the method disclosed in Patent Document 2 has a problem in terms of cost because it is necessary to install a skin pass mill, a tension leveler, etc. in the pre-process of the hot dip galvanizing bath.
  • the ideal surface roughness is difficult to obtain due to chemical and physical changes accompanying pickling and recrystallization in pretreatment equipment and annealing furnaces, and completely prevents hot water wrinkles. It is considered difficult to do.
  • the method shown in Patent Document 3 since the line speed and the wiping nozzle height cannot immediately follow the change point of the plate thickness, a steel plate in which hot water wrinkles is generated, which leads to yield loss. End up.
  • the present invention has been made in view of the above circumstances, and in a continuous molten metal plating method in which the amount of plating adhesion is controlled using a gas wiping nozzle, the occurrence of hot metal wrinkle defects is suppressed, and high quality molten metal plating is performed. It is an object of the present invention to provide a continuous hot metal plating method, hot dip galvanized steel belt, and continuous hot metal plating equipment capable of stably producing a steel strip at a lower cost.
  • the gist of the present invention is as follows. [1] A continuous molten metal in which a steel strip is continuously immersed in a molten metal plating bath, and gas is blown from a gas wiping nozzle to the steel strip immediately after being drawn out of the molten metal plating bath, thereby controlling the amount of plating adhered.
  • the temperature of the wiping gas injected from the gas wiping nozzle according to a D / B value represented by a distance D between the gas wiping nozzle tip and the steel strip and a ratio of the gas wiping nozzle gap B A continuous molten metal plating method for controlling T.
  • T Temperature of wiping gas injected from the gas wiping nozzle [° C.]
  • T M Melting point of molten metal [° C.]
  • D Distance between steel strip and gas wiping nozzle tip [m]
  • B Gas wiping nozzle gap [m] c 1 , c 2 , c 3 : produced by the continuous molten metal plating method according to any one of constants [4] [1] to [3], Al: 1.0 to 10% by mass on the surface of the steel strip, A hot-dip galvanized steel strip having an Al—Zn-based plating layer containing Mg: 0.2 to 1.0 mass%, Ni: 0.005 to 0.10 mass%, and the balance being Zn and inevitable impurities.
  • a continuous molten metal plating facility comprising: a control device that calculates a target temperature T of the wiping gas to be injected; and a gas heating device that raises the gas injected from the gas wiping nozzle to the target temperature T calculated by the control device.
  • the target temperature T is calculated by the following equation (1) according to a D / B value represented by a ratio of the distance D measured by the distance meter and the gap B of the gas wiping nozzle.
  • T Temperature of wiping gas injected from the gas wiping nozzle [° C.]
  • T M Melting point of molten metal [° C.]
  • D Distance between steel strip and gas wiping nozzle tip [m]
  • B Gas wiping nozzle gap [m] c 1 , c 2 , c 3 : constant
  • the present invention it is possible to stably produce a high-quality molten metal-plated steel strip at a lower cost by suppressing the occurrence of plating surface defects called hot water wrinkles.
  • FIG. 1 is a schematic diagram of a production facility for a continuous molten metal-plated steel strip according to an embodiment of the present invention.
  • FIG. 2 is an enlarged view of the tip of a gas wiping nozzle according to an embodiment of the present invention.
  • FIG. 3 is a graph showing the presence / absence of hot water wrinkles in the relationship between the D / B value and the temperature T of the wiping gas.
  • FIG. 4 is a schematic view of a conventional continuous hot-dip metal-plated steel strip production facility.
  • the continuous molten metal plating facility of the present invention is a gas wiping nozzle that is pulled up from a plating bath after the steel strip is continuously immersed in a plating bath in a molten metal plating bath and then placed above the plating bath.
  • This is a facility that adjusts the amount of plating metal adhesion by spraying wiping gas onto the plated steel strip.
  • the continuous molten metal plating equipment of the present invention is a molten metal plating apparatus, a distance meter for measuring the distance between the steel strip and the gas wiping nozzle tip in a non-contact manner, a distance D measured by the distance meter, Based on the gap B of the gas wiping nozzle, a control device for calculating the target temperature T of the wiping gas injected from the gas wiping nozzle, and the gas injected from the gas wiping nozzle is increased to the target temperature T calculated by the control device. And a gas heating device for heating.
  • FIG. 1 shows a continuous molten metal plating apparatus according to an embodiment of the present invention.
  • 1 is a steel strip
  • 2 is a snout
  • 3 is a plating tank
  • 4 is a molten metal
  • 5 is a sink roll
  • 6 is a gas wiping nozzle
  • 7 is a distance meter
  • 8 is a control unit (CU: Control Unit)
  • 9 is a gas heating device.
  • the arrow indicates the moving direction of the steel strip 1.
  • the steel strip 1 enters the molten metal 4 in the plating tank 3 from within the snout 2, is changed in direction by the sink roll 5, and is pulled up from the plating tank 3. Next, excess molten metal is scraped off by the gas wiping nozzle 6 installed above the plating tank 3 and controlled to a predetermined adhesion amount.
  • FIG. 2 is an enlarged view of the tip of the gas wiping nozzle 6.
  • the distance between the tip of the gas wiping nozzle 6 and the steel strip 1 is represented by D.
  • the gap of the gas wiping nozzle 6 is represented by B.
  • the distance meter 7 is provided below the gas wiping nozzle 6, for example.
  • the distance meter 7 continuously measures the distance D between the tip of the gas wiping nozzle 6 and the steel strip 1 and inputs the information to the control device 8.
  • the control device 8 calculates the target temperature of the wiping gas heated by the gas heating device 9 based on the measurement information of the distance D sent from the distance meter 7.
  • the gas heating device 9 has a function of raising the wiping gas to the target temperature calculated by the control device 8 and supplying the heated wiping gas to the gas wiping nozzle 6.
  • the distance meter 7 may be of a non-contact type.
  • the form of the control device 8 is not particularly limited.
  • the type of the gas heating device 9 is not particularly limited as long as it has a function of raising the temperature of the wiping gas without delay according to the distance D between the gas wiping nozzle 6 and the steel strip 1. Further, the method for raising the temperature of the wiping gas supplied to the gas wiping nozzle 6 in the gas heating device 9 is not particularly limited. For example, a method of heating and raising the temperature with a heat exchanger and a method of mixing the combustion exhaust gas of the annealing furnace and air can be mentioned.
  • the wiping injected from the gas wiping nozzle 6 according to the D / B value represented by the ratio of the distance D between the tip of the gas wiping nozzle 6 and the steel strip 1 and the gap B of the gas wiping nozzle 6.
  • the temperature T of the gas is controlled.
  • the fluidity of the molten metal is improved.
  • the effect of preventing hot water wrinkle defects can be sufficiently exhibited.
  • the wiping gas injected from the gas wiping nozzle 6 is preferably an inert gas.
  • an inert gas By using an inert gas, oxidation of the molten metal on the surface of the steel sheet can be prevented, so that the fluidity of the molten metal can be further improved.
  • the inert gas include, but are not limited to, nitrogen, argon, helium, carbon dioxide and the like.
  • the wiping gas temperature is too low, hot water wrinkle defects will occur due to a decrease in fluidity of the molten metal. If the temperature of the wiping gas is too high, alloying is promoted and the appearance of the steel sheet is deteriorated. For this reason, it is necessary to select the optimum temperature T of the wiping gas according to the value of D / B. Therefore, in the present invention, the relationship between the D / B value and the temperature T of the wiping gas for obtaining a product having a good appearance free from hot water wrinkle defects was determined.
  • the temperature of the hot dip galvanizing bath is 460 ° C
  • the line speed is 100 m / min
  • the pressure of the nozzle header is 30 kPa
  • the gas type is air
  • a steel strip with a plate thickness of 1.2 mm and a plate width of 1000 mm is passed through a continuous hot metal plating facility I let it plate.
  • production state of hot water wrinkles were performed by the following criteria.
  • Wa is a value of the arithmetic average waviness Wa [ ⁇ m] measured based on the standard of JIS B0601-2001.
  • Fail Galvanized steel sheet (1.50 ⁇ Wa) where large hot water wrinkles can be confirmed visually
  • Fail Galvanized steel sheet (1.00 ⁇ Wa ⁇ 1.50) in which small hot water wrinkles can be visually confirmed
  • Pass Beautiful galvanized steel sheet in which hot water wrinkles cannot be visually confirmed (0.50 ⁇ Wa ⁇ 1.00) From the result of FIG. 3, it is preferable to control the temperature T of the wiping gas within the range represented by the following formula (1) according to the D / B value.
  • T Temperature of wiping gas injected from the gas wiping nozzle [° C.]
  • T M Melting point of molten metal [° C.]
  • D Distance between steel strip and gas wiping nozzle tip [m]
  • B Gas wiping nozzle gap [m] c 1 , c 2 , c 3 : Constants Note that the constants c 1 , c 2 , c 3 in the formula (1) vary depending on the size of the wiping nozzle gap B and the nozzle shape, and therefore need to be obtained offline in advance. .
  • thermometer is set on the surface of the plate that looks like a steel strip, and the value of the thermometer is defined as “the temperature of the wiping gas at the collision position where the wiping gas collides with the steel strip”.
  • the D / B value is changed for some conditions, the above temperature is measured, and the values of c1 to c3 are obtained. Further, when the D / B value exceeds 60, there is almost no wiping gas scraping force, so there is no point in heating the wiping gas. For this reason, the upper limit of the D / B value is preferably 60 or less.
  • wiping gas to control the temperature of the wiping gas in the collision position to collide with the steel strip within the upper and lower 200 ° C. of the melting point T M of the molten metal ((T M ⁇ 100) °C ).
  • T M melting point
  • the temperature of the wiping gas at the collision position where the wiping gas collides with the steel strip is less than (T M -100) ° C, the solidification rate of the molten metal adhering to the steel plate becomes very high, and the fluidity of the molten metal As a result, the hot water wrinkle defect will occur.
  • the temperature of the wiping gas on the heated side can be controlled by changing the temperature of the gas or liquid on the heating side.
  • the optimum range of the wiping gas temperature T changes.
  • the steel strip surface contains Al: 1.0 to 10% by mass, Mg: 0.2 to 1.0% by mass, Ni: 0.005 to 0.10% by mass, the balance being Zn and inevitable
  • Mg which is easier to oxidize than Al or Zn
  • Mg which is easier to oxidize than Al or Zn
  • a hot-dip galvanized steel strip manufactured by using the gas wiping method of the present invention the surface of the steel strip is Al: 1.0-10 mass%, Mg: 0.2-1.0 mass%, Ni :
  • the surface of the steel strip is Al: 1.0-10 mass%, Mg: 0.2-1.0 mass%, Ni :
  • a steel strip having a thickness of 1.2 mm and a plate width of 1000 mm is passed at a line speed of 100 m / min, the composition of the plating layer, the distance D between the tip of the gas wiping nozzle and the steel strip, and the gas wiping nozzle
  • the appearance of the steel sheet was evaluated by changing the gas pressure to be injected (nozzle header pressure), the gas set temperature, the gas type, and the coating adhesion amount.
  • Mg 0.5 mass%
  • Ni 0.05 mass%. It is.
  • Wa is the value of the arithmetic average waviness Wa [ ⁇ m] measured based on the standard of JIS B0601-2001.
  • Fail Galvanized steel sheet (1.50 ⁇ Wa) where large hot water wrinkles can be confirmed visually
  • Fail Galvanized steel sheet (1.00 ⁇ Wa ⁇ 1.50) in which small hot water wrinkles can be visually confirmed
  • Pass Beautiful galvanized steel sheet in which hot water wrinkles cannot be visually confirmed (0.50 ⁇ Wa ⁇ 1.00)
  • A: Pass A very beautiful galvanized steel sheet (0 ⁇ Wa ⁇ 0.50) in which no hot water wrinkles can be visually confirmed. The results are shown in Table 1.
  • Invention Example 1 can prevent hot water wrinkle defects by wiping at an optimum gas temperature corresponding to the D / B value.
  • the reason why the hot water wrinkle defect could be prevented is that the temperature of the wiping gas at the collision position where the wiping gas collides with the steel strip in addition to the wiping performed at the optimum gas temperature corresponding to the D / B value (T It is considered that when the temperature is M ⁇ 100) ° C. or higher, the cooling effect by the jet gas is hindered, and the molten zinc adhering to the steel sheet is relatively solidified and can flow down regularly.
  • Invention Example 2 D / B is changed, and wiping is performed at the optimum wiping gas temperature T according to the value, and as in Invention Example 1, hot water wrinkle defects can be prevented.
  • Inventive Examples 3 to 8 show the results when the wiping temperature is changed for each D / B value.
  • Comparative Example 1 and Comparative Example 2 show examples when the optimum gas temperature range derived from the D / B value is deviated.
  • the reason why the adhesion amount increases in Comparative Example 1 is that the wiping gas ejected from the nozzle is mixed with the surrounding gas in addition to wiping at a temperature outside the optimum gas temperature range according to the D / B value. This is probably because the temperature of the wiping gas at the collision position of the steel strip fell below (T M -100) ° C.
  • the temperature of the wiping gas was raised to a higher temperature than that of Invention Example 1, and the amount of adhesion increased. This is presumably because the wiping gas temperature was too high and the alloying of the galvanized steel layer surface was promoted. Moreover, due to the promotion of alloying, the surface of the steel sheet turned whitish and the appearance deteriorated.
  • the results under other wiping conditions are shown in Comparative Examples 3 to 11.
  • Invention Example 10 and Comparative Example 12 show examples in which the composition of the plating layer is changed. Since the melting point of the zinc bath was lowered to 375 ° C. by changing the component of the molten zinc, the optimum temperature range of the wiping gas was also changed. In Comparative Example 12, generation of larger hot water wrinkles than in Comparative Example 1 was confirmed. This is thought to be because hot water wrinkles are likely to occur because Mg in the plating layer component is easily oxidized. In Invention Example 10, by controlling the temperature T of the wiping gas, it was possible to prevent hot water wrinkle defects as in Invention Example 1.
  • the hot water wrinkle defect prevention effect can be obtained by wiping at an appropriate wiping gas temperature.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Coating With Molten Metal (AREA)

Abstract

La présente invention concerne un procédé pour la production d'une bande d'acier métallisée par immersion à chaud dans lequel une buse d'essuyage au gaz est utilisée pour régler un poids de placage. Le procédé de métallisation par immersion à chaud en continu selon l'invention permet de supprimer l'apparition de défauts de surface de placage et permet de produire une bande d'acier métallisée par immersion à chaud de haute qualité de manière plus économique et plus stable. L'invention concerne également une bande d'acier zinguée par immersion à chaud ; et un matériel de métallisation par immersion à chaud en continu. Le procédé de métallisation par immersion à chaud en continu selon la présente invention consiste à immerger en continu une bande d'acier dans un bain de métallisation par immersion à chaud et souffler un gaz à partir d'une buse d'essuyage au gaz sur la bande d'acier immédiatement après qu'elle a été retirée du bain de métallisation par immersion à chaud de manière à régler un poids de placage, la température T d'un gaz d'essuyage pulvérisé à partir de la buse d'essuyage au gaz étant régulée en fonction d'une valeur D/B représentant le rapport d'une distance D entre une extrémité distale de la buse d'essuyage au gaz et la bande d'acier à un espace de buse d'essuyage au gaz B.
PCT/JP2015/004715 2014-10-08 2015-09-16 Procédé de métallisation par immersion à chaud en continu, bande d'acier zinguée par immersion à chaud et matériel de métallisation par immersion à chaud en continu WO2016056178A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020177009127A KR101910756B1 (ko) 2014-10-08 2015-09-16 연속 용융 금속 도금 방법 및 용융 아연 도금 강대와 연속 용융 금속 도금 설비
JP2016501923A JP6011740B2 (ja) 2014-10-08 2015-09-16 連続溶融金属めっき方法および溶融亜鉛めっき鋼帯ならびに連続溶融金属めっき設備
CN201580054270.3A CN106795614B (zh) 2014-10-08 2015-09-16 熔融金属连续镀覆方法以及熔融镀锌钢带和熔融金属连续镀覆设备
EP15848228.1A EP3205741B1 (fr) 2014-10-08 2015-09-16 Procédé de métallisation par immersion à chaud en continu et matériel de métallisation par immersion à chaud en continu
MX2017004585A MX2017004585A (es) 2014-10-08 2015-09-16 Metodo de recubrimiento metalico por inmersion en caliente continua, banda de acero galvanizada e instalacion de recubrimiento metalico por inmersion en caliente continua.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014-206882 2014-10-08
JP2014206882 2014-10-08

Publications (1)

Publication Number Publication Date
WO2016056178A1 true WO2016056178A1 (fr) 2016-04-14

Family

ID=55652818

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2015/004715 WO2016056178A1 (fr) 2014-10-08 2015-09-16 Procédé de métallisation par immersion à chaud en continu, bande d'acier zinguée par immersion à chaud et matériel de métallisation par immersion à chaud en continu

Country Status (7)

Country Link
EP (1) EP3205741B1 (fr)
JP (1) JP6011740B2 (fr)
KR (1) KR101910756B1 (fr)
CN (1) CN106795614B (fr)
MX (1) MX2017004585A (fr)
TW (1) TW201619411A (fr)
WO (1) WO2016056178A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017222923A (ja) * 2016-06-17 2017-12-21 Ｊｆｅスチール株式会社 溶融金属めっき鋼帯の製造方法及び連続溶融金属めっき設備
WO2018012132A1 (fr) * 2016-07-13 2018-01-18 Ｊｆｅスチール株式会社 Procédé de fabrication d'une bande d'acier revêtue de métal fondu et équipement de placage de métal fondu continu
JP2018145527A (ja) * 2018-05-25 2018-09-20 Ｊｆｅスチール株式会社 溶融金属めっき鋼帯の製造方法
JP2018178158A (ja) * 2017-04-05 2018-11-15 Ｊｆｅスチール株式会社 溶融金属めっき鋼帯の製造方法
JP2021508777A (ja) * 2017-12-26 2021-03-11 ポスコＰｏｓｃｏ 表面品質及び耐食性に優れた亜鉛合金めっき鋼材及びその製造方法
CN112513313A (zh) * 2018-08-22 2021-03-16 杰富意钢铁株式会社 熔融金属镀覆钢带的制造方法及连续熔融金属镀覆设备
JP2022000535A (ja) * 2020-06-17 2022-01-04 Ｊｆｅスチール株式会社 付着量予測モデルの生成方法、めっき付着量の予測方法、めっき付着量制御方法、溶融めっき鋼板の製造方法、及びそれらを実行する装置、並びに品質予測モデルの生成方法
US11655532B2 (en) 2019-02-26 2023-05-23 Jfe Steel Corporation Gas wiping nozzle and method of manufacturing hot-dip metal coated metal strip

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102371083B1 (ko) 2017-04-14 2022-03-07 현대자동차주식회사 조건 연동형 차실내 자연환기방법 및 차량
DE102017216572A1 (de) * 2017-09-19 2019-03-21 Thyssenkrupp Ag Schmelztauchbeschichtetes Stahlband mit verbessertem Oberflächenerscheinungsbild und Verfahren zu seiner Herstellung
WO2020122352A1 (fr) * 2018-12-11 2020-06-18 김상호 Procédé de fabrication de tôle d'acier galvanisée à l'état fondu
WO2021256079A1 (fr) 2020-06-19 2021-12-23 Ｊｆｅスチール株式会社 Buse d'essuyage au gaz et procédé de fabrication de bande métallique plaquée de métal fondu
KR20220127594A (ko) 2021-03-11 2022-09-20 (주)스텝이엔지 용융아연도금조 화상 위험 다단계 경고장치

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54135628A (en) * 1978-04-13 1979-10-22 Nippon Kokan Kk <Nkk> Continuous type hot dipping method
JPH09195024A (ja) * 1996-01-19 1997-07-29 Nkk Corp 溶融金属めっきのめっき付着量制御方法
JP2007302959A (ja) * 2006-05-12 2007-11-22 Jfe Steel Kk 溶融金属めっき鋼帯の製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5521564A (en) * 1978-08-04 1980-02-15 Kawasaki Steel Corp Preparation of melted zinc plated steel plate for sheath plate
US5518772A (en) * 1993-04-28 1996-05-21 Kawasaki Steel Corporation Method for adjusting coating weight by gas wiping
JP3011395B2 (ja) * 1995-07-31 2000-02-21 川崎製鉄株式会社 表面性状に優れた厚目付溶融亜鉛めっき鋼板の製造方法
JPH09195023A (ja) * 1996-01-11 1997-07-29 Sumitomo Metal Ind Ltd ギャップ可変式ガスワイピングノズル装置
JP3779941B2 (ja) * 2002-01-09 2006-05-31 新日本製鐵株式会社 塗装後耐食性と塗装鮮映性に優れた亜鉛めっき鋼板
JP2004027263A (ja) * 2002-06-24 2004-01-29 Sumitomo Metal Ind Ltd 表面外観に優れた溶融亜鉛めっき鋼板とその製造方法
JP5942359B2 (ja) * 2011-08-25 2016-06-29 Ｊｆｅスチール株式会社 連続溶融金属めっき処理方法及び連続溶融金属めっき処理装置
JP6031906B2 (ja) * 2012-09-11 2016-11-24 Ｊｆｅスチール株式会社 連続溶融金属めっき鋼帯のワイピング方法。
WO2014135753A1 (fr) * 2013-03-06 2014-09-12 Arcelormittal Investigacion Y Desarrollo, S.L. Procédé de réalisation d'une tôle à revêtement znal avec un essorage optimisé, tôle, pièce et véhicule correspondants

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54135628A (en) * 1978-04-13 1979-10-22 Nippon Kokan Kk <Nkk> Continuous type hot dipping method
JPH09195024A (ja) * 1996-01-19 1997-07-29 Nkk Corp 溶融金属めっきのめっき付着量制御方法
JP2007302959A (ja) * 2006-05-12 2007-11-22 Jfe Steel Kk 溶融金属めっき鋼帯の製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3205741A4 *

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017222923A (ja) * 2016-06-17 2017-12-21 Ｊｆｅスチール株式会社 溶融金属めっき鋼帯の製造方法及び連続溶融金属めっき設備
KR20210071100A (ko) * 2016-07-13 2021-06-15 제이에프이 스틸 가부시키가이샤 용융 금속 도금 강대의 제조 방법 및 연속 용융 금속 도금 설비
WO2018012132A1 (fr) * 2016-07-13 2018-01-18 Ｊｆｅスチール株式会社 Procédé de fabrication d'une bande d'acier revêtue de métal fondu et équipement de placage de métal fondu continu
JP2018009220A (ja) * 2016-07-13 2018-01-18 Ｊｆｅスチール株式会社 溶融金属めっき鋼帯の製造方法及び連続溶融金属めっき設備
KR102405526B1 (ko) * 2016-07-13 2022-06-03 제이에프이 스틸 가부시키가이샤 용융 금속 도금 강대의 제조 방법 및 연속 용융 금속 도금 설비
CN109477198A (zh) * 2016-07-13 2019-03-15 杰富意钢铁株式会社 熔融金属镀覆钢带的制造方法以及连续熔融金属镀覆设备
EP3486351A4 (fr) * 2016-07-13 2019-05-22 JFE Steel Corporation Procédé de fabrication d'une bande d'acier revêtue de métal fondu et équipement de placage de métal fondu continu
AU2020204123B2 (en) * 2016-07-13 2021-12-16 Jfe Steel Corporation Method for manufacturing molten metal plated steel strip and continuous molten metal plating equipment
US11104983B2 (en) 2016-07-13 2021-08-31 Jfe Steel Corporation Method of producing hot-dip metal coated steel strip and continuous hot-dip metal coating apparatus
JP2018178158A (ja) * 2017-04-05 2018-11-15 Ｊｆｅスチール株式会社 溶融金属めっき鋼帯の製造方法
JP2021508777A (ja) * 2017-12-26 2021-03-11 ポスコＰｏｓｃｏ 表面品質及び耐食性に優れた亜鉛合金めっき鋼材及びその製造方法
US11332816B2 (en) 2017-12-26 2022-05-17 Posco Zinc alloy plated steel material having excellent surface quality and corrosion resistance
US11643714B2 (en) 2017-12-26 2023-05-09 Posco Co., Ltd Method for manufacturing zinc alloy plated steel material having excellent surface quality and corrosion resistance
JP2018145527A (ja) * 2018-05-25 2018-09-20 Ｊｆｅスチール株式会社 溶融金属めっき鋼帯の製造方法
CN112513313A (zh) * 2018-08-22 2021-03-16 杰富意钢铁株式会社 熔融金属镀覆钢带的制造方法及连续熔融金属镀覆设备
US20210310109A1 (en) * 2018-08-22 2021-10-07 Jfe Steel Corporation Method of producing hot-dip metal coated steel strip and continuous hot-dip metal coating line
US11802329B2 (en) * 2018-08-22 2023-10-31 Jfe Steel Corporation Method of producing hot-dip metal coated steel strip and continuous hot-dip metal coating line
US11655532B2 (en) 2019-02-26 2023-05-23 Jfe Steel Corporation Gas wiping nozzle and method of manufacturing hot-dip metal coated metal strip
JP2022000535A (ja) * 2020-06-17 2022-01-04 Ｊｆｅスチール株式会社 付着量予測モデルの生成方法、めっき付着量の予測方法、めっき付着量制御方法、溶融めっき鋼板の製造方法、及びそれらを実行する装置、並びに品質予測モデルの生成方法

Also Published As

Publication number Publication date
CN106795614B (zh) 2019-11-01
JPWO2016056178A1 (ja) 2017-04-27
JP6011740B2 (ja) 2016-10-19
EP3205741A1 (fr) 2017-08-16
KR101910756B1 (ko) 2018-10-22
TWI561675B (fr) 2016-12-11
KR20170048549A (ko) 2017-05-08
TW201619411A (zh) 2016-06-01
EP3205741A4 (fr) 2017-08-30
EP3205741B1 (fr) 2023-04-05
CN106795614A (zh) 2017-05-31
MX2017004585A (es) 2017-06-27

Similar Documents

Publication Publication Date Title
JP6011740B2 (ja) 連続溶融金属めっき方法および溶融亜鉛めっき鋼帯ならびに連続溶融金属めっき設備
JP5986185B2 (ja) 外観が改善された被覆金属ストリップを製造する方法
JP5764672B2 (ja) 高耐食溶融亜鉛合金めっき鋼板及びその製造方法
CN108474093B (zh) 耐摩擦性和耐白锈性优异的镀覆钢材及其制造方法
KR101679159B1 (ko) 용융 아연 도금 강판
WO2018012132A1 (fr) Procédé de fabrication d&#39;une bande d&#39;acier revêtue de métal fondu et équipement de placage de métal fondu continu
KR102471806B1 (ko) 용융 금속 도금 강대의 제조 방법 및 연속 용융 금속 도금 설비
JP2020504237A (ja) 耐腐食性及び表面品質に優れた合金めっき鋼材及びその製造方法
JP6500846B2 (ja) 溶融金属めっき鋼帯の製造方法及び連続溶融金属めっき設備
KR20210104914A (ko) 금속 코팅된 강철 스트립
JP5824905B2 (ja) 溶融金属めっき鋼帯の製造方法
KR20150073306A (ko) 도금 장치 및 도금 방법
JP6772930B2 (ja) 溶融亜鉛めっき鋼板および溶融亜鉛めっき鋼板の製造方法
JP6394578B2 (ja) 溶融金属めっき鋼帯の製造方法及び連続溶融金属めっき設備
JPH09209109A (ja) 微小スパングル溶融Ｚｎ−Ａｌ系合金めっき鋼板とその製法
JP6635086B2 (ja) 溶融金属めっき鋼帯の製造方法
JP4835073B2 (ja) 溶融金属めっき鋼帯の製造方法
JPWO2020039869A1 (ja) 溶融金属めっき鋼帯の製造方法及び連続溶融金属めっき設備
JP6414360B2 (ja) 溶融金属めっき鋼帯の製造方法
JP7265217B2 (ja) ホットスタンプ用めっき鋼板
CN110100035A (zh) 抗裂纹性优异的合金镀覆钢材及其制造方法
JP2005290418A (ja) プレス加工性に優れた溶融Ａｌ−Ｚｎ系めっき鋼板及びその製造方法
JP2000336466A (ja) 溶融Ｚｎ−Ａｌ系合金めっき鋼板の製造方法
JP2023156878A (ja) 溶融亜鉛めっき鋼板の製造方法

Legal Events

Date Code Title Description
ENP Entry into the national phase

Ref document number: 2016501923

Country of ref document: JP

Kind code of ref document: A

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15848228

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 20177009127

Country of ref document: KR

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: MX/A/2017/004585

Country of ref document: MX

NENP Non-entry into the national phase

Ref country code: DE

REEP Request for entry into the european phase

Ref document number: 2015848228

Country of ref document: EP