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EP2010690A1 - Procédé de revêtement par immersion en fusion d'un produit plat en acier hyperrésistant - Google Patents

Procédé de revêtement par immersion en fusion d'un produit plat en acier hyperrésistant

Info

Publication number
EP2010690A1
EP2010690A1 EP06754869A EP06754869A EP2010690A1 EP 2010690 A1 EP2010690 A1 EP 2010690A1 EP 06754869 A EP06754869 A EP 06754869A EP 06754869 A EP06754869 A EP 06754869A EP 2010690 A1 EP2010690 A1 EP 2010690A1
Authority
EP
European Patent Office
Prior art keywords
flat steel
steel product
oxide layer
steel plate
temperature
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP06754869A
Other languages
German (de)
English (en)
Other versions
EP2010690B1 (fr
Inventor
Ronny Leuschner
Manfred Meurer
Wilhelm Warnecke
Sabine Zeizinger
Gernot Nothacker
Michael Ullmann
Norbert Schaffrath
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ThyssenKrupp Steel Europe AG
Original Assignee
ThyssenKrupp Steel AG
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 ThyssenKrupp Steel AG filed Critical ThyssenKrupp Steel AG
Priority to PL06754869T priority Critical patent/PL2010690T3/pl
Publication of EP2010690A1 publication Critical patent/EP2010690A1/fr
Application granted granted Critical
Publication of EP2010690B1 publication Critical patent/EP2010690B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • C23C2/12—Aluminium or alloys based thereon
    • 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
    • C23C2/003—Apparatus
    • C23C2/0038—Apparatus characterised by the pre-treatment chambers located immediately upstream of the bath or occurring locally before the dipping process
    • 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
    • C23C2/003—Apparatus
    • C23C2/0038—Apparatus characterised by the pre-treatment chambers located immediately upstream of the bath or occurring locally before the dipping process
    • C23C2/004—Snouts
    • 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
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • 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
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • C23C2/0222—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating in a reactive atmosphere, e.g. oxidising or reducing atmosphere
    • 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
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • C23C2/0224—Two or more thermal pretreatments
    • 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
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/024—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by cleaning or etching
    • 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

Definitions

  • the invention relates to a method for coating a flat steel product made of high-strength, different alloying constituents, in particular Mn, Al, Si and / or Cr, containing steel, such as steel strip or sheet, with a metallic coating, in which the flat steel product is subjected to a heat treatment, to then be provided in the heated state in a total of at least 85% zinc and / or aluminum melt bath by hot dip coating with the metallic coating.
  • hot-rolled or cold-rolled sheets made of steel are used, which are surface-finished for reasons of corrosion protection.
  • the demands placed on such sheets are many. They should on the one hand be well deformable and on the other hand have a high strength.
  • the high strength is achieved by adding certain alloying constituents, such as Mn, Si, Al and Cr, to the iron.
  • RTF Radiant Tube Furnace
  • DE 689 12 243 T2 discloses a process for the continuous hot-dip coating of a steel strip with aluminum, in which the strip is heated in a continuous furnace. In a first zone, surface contaminants are removed. But the furnace atmosphere has a very high temperature. However, as the belt passes through this zone at high speed, it is only heated to about half the temperature of the atmosphere. In the subsequent second zone, which is under protective gas, the strip is heated to the temperature of the coating material aluminum.
  • DE 695 07 977 T2 discloses a two-stage hot dip coating method of a chromium-containing steel alloy strip. According to this method, the strip is annealed in a first stage to be at the Band surface to obtain an iron enrichment. Subsequently, the tape is heated in a non-oxidizing atmosphere to the temperature of the coating metal.
  • JP 02285057 A it is also known to galvanize a steel strip in a multi-stage process.
  • the previously cleaned band is treated in a non-oxidizing atmosphere at a temperature of about 820 0 C.
  • the tape is treated at about 400 ° C to 700 ° C in a low oxidizing atmosphere before being reduced on its surface in a reducing atmosphere.
  • the cooled to about 420 0 C to 500 0 C strip is galvanized in the usual way.
  • the invention had the object of specifying a method for hot dip coating of a high-strength steel produced flat steel product with zinc and / or aluminum, with which a steel strip can be produced with an optimally finished surface in a RTF plant.
  • the strip is heated in a reducing atmosphere with an H 2 content of at least 2% to 8% to a temperature of> 750 0 C to 850 0 C.
  • the predominantly pure iron surface is characterized by a 1 to 10 sec continuous heat treatment of the strip at a temperature of> 750 0 C to 850 0 C in a continuous furnace integrated reaction chamber with an oxidizing atmosphere with a C> 2 content of 0 , 01% to 1% converted into an iron oxide layer.
  • the temperature control according to the invention in step a) prevents that during the heating essential alloying constituents diffuse to the surface of the flat steel product.
  • the diffusion of alloy constituents to the surface is particularly effectively suppressed so that an effective iron oxide layer can be formed in the following step , This prevents further alloying constituents from diffusing to the surface during the subsequently increased annealing temperature.
  • a pure iron layer can be formed which is suitable for a full-surface and firmly adhering coating of zinc and / or aluminum is very suitable.
  • the work result can be optimized by completely reducing the iron oxide layer produced in the oxidizing atmosphere to pure iron. In this state, the coating also has optimum properties with regard to its deformability and strength.
  • the thickness of the forming oxide layer is measured, and depending on this thickness and on the flow rate of the
  • a diffusion of alloy constituents to the surface of the flat steel product can also be counteracted by the heating in step a) of the process according to the invention taking place as rapidly as possible.
  • Good work results are in particular then if the duration of the heating upstream of the oxidation of the flat steel product to more than 750 0 C to 850 0 C to max. 300 s, in particular max. 250 0 C, is limited.
  • the heating rate in the case of the heating of the flat steel product preceding the oxidation according to the invention is at least 2.4 ° C./s, in particular in the range from 2.4 to 4.0 ° C./s.
  • the heat treatment followed by the oxidation followed by cooling of the flat steel product should take more than 30 seconds, in particular more than 50 seconds, to ensure a sufficiently sufficient reduction of the previously formed iron oxide layer to pure iron.
  • the high-strength steel may contain at least one of the following constituents: Mn> 0.5%, Al> 0.2%, Si> 0.1%, Cr> 0.3%. Other ingredients such. Mo, Ni, V, Ti, Nb and P can be added.
  • the heat treatment of the flat steel product in the reducing atmosphere both during warm-up and later annealing, lasts many times longer than the heat treatment in the oxidizing atmosphere.
  • the volume of the oxidizing atmosphere is very small compared to the remaining volume of the reducing atmosphere.
  • the inventive heat treatment of the flat steel product in the reducing atmosphere can be carried out in a continuous furnace, which is equipped with a chamber containing the oxidizing atmosphere, wherein the volume of the chamber can be many times smaller than the remaining volume of the continuous furnace.
  • the inventive method is particularly well suited for hot dip galvanizing.
  • the molten bath may also consist of zinc-aluminum or aluminum with silicon additives. Regardless of which melt composition is selected, the total present in the melt zinc and / or aluminum content should be at least 85% in total.
  • Such composite melts are z. For example:
  • the single figure shows schematically a galvanizing plant with a continuous furnace 5 and a melt bath 7.
  • the temperature profile over the cycle time is plotted in the figure for the continuous furnace.
  • the galvanizing plant is intended for continuous coating of a flat steel product in the form of hot rolled or cold rolled steel strip 1, which is made of higher strength steel containing at least one alloying element of the Mn, Al, Si and Cr group and optionally further alloying elements containing additional alloying elements.
  • the steel may in particular be a TRIP steel.
  • the steel strip 1 is withdrawn from a coil 2 and passed through a pickling 3 and / or another system 4 for surface cleaning.
  • the cleaned belt 1 then passes through a continuous furnace 5 in a continuous operation and is passed from there via a sealed relative to the surrounding atmosphere trunk 6 in a hot dip bath 7, the hot dip 7 is presently formed by a molten zinc.
  • the emerging from the hot dip 7, provided with the zinc coating steel strip 1 passes through a Cooling section 8 or a device for heat treatment to a winding station 9, in which it is wound into a coil.
  • the steel strip 1 is meander-shaped passed through the continuous furnace 5 in order to achieve sufficiently long treatment times with practical length of the continuous furnace 5 can.
  • the middle zone 5b forms a reaction chamber and is atmospherically closed with respect to the first and last zones 5a, 5c.
  • Their length is only about 1/100 of the total length of the continuous furnace 5. For better illustration, the drawing is not to scale extent.
  • a typical composition of this atmosphere consists of 2% to 8% H 2 , typically 5% H 2 , and balance N 2 .
  • the strip is heated to more than 750 to 850 0 C, typically 800 0 C.
  • the heating takes place at a heating rate of at least 3.5 ° C / s. At this temperature and heating rate diffuse in the steel strip. 1 containing alloying ingredients in only small amounts at the surface.
  • the steel strip 1 is kept substantially only at the temperature reached in the first zone 5a.
  • the atmosphere of the zone 5b is oxygen-containing, so that oxidation of the surface of the steel strip 1 occurs.
  • the O 2 content of the atmosphere prevailing in zone 5b is between 0.01% to 1%, typically 0.5%.
  • the oxygen content of the atmosphere prevailing in the zone 5b can be adjusted, for example, as a function of the treatment time and the thickness of the oxide layer to be produced on the steel bath 1. If the treatment time is short, for example, a high O 2 - content is set, while for long treatment time, for example, a lower oxygen content can be selected to produce an oxide layer of the same thickness.
  • the desired iron oxide layer forms on the surface of the strip.
  • the thickness of this iron oxide layer can be detected optically, the result of the measurement being used to set the respective oxygen content of the zone 5b.
  • the chamber volume is correspondingly small. Therefore, the reaction time for a change in the composition of the atmosphere is small, so that on a Changing the belt speed or to a different thickness of the target thickness of the oxide layer by a corresponding adjustment of the oxygen content of the prevailing atmosphere in the zone 5b can be reacted quickly.
  • the small volume of Zone 5b allows for short control times.
  • the steel strip 1 is heated to an annealing temperature of about 900 0 C.
  • the annealing carried out in zone 5c takes place in a reducing nitrogen atmosphere which has an H 2 content of 5%.
  • the iron oxide layer prevents alloying constituents from diffusing to the strip surface.
  • the iron oxide layer is converted into a pure iron layer.
  • the steel strip 1 is further cooled on its further way in the direction of the hot dip bath 7, so that it has a temperature on leaving the continuous furnace 5, which is up to 10% higher than the temperature of the hot dip bath 7 of about 480 0 C.
  • Da das Band 1 after leaving the continuous furnace 5 is made of pure iron on its surface, it provides an optimal basis for a strong bond of the zinc coating applied in the hot dip 7.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Coating With Molten Metal (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Treatment Of Steel In Its Molten State (AREA)

Abstract

L'invention concerne un procédé de revêtement d'un produit plat en acier fabriqué à partir d'acier hyperrésistant constitué de divers éléments d'alliages en particulier Mn, Al, Si et/ou Cr, avec un revêtement métallique, dans lequel le produit plat en acier est tout d'abord soumis à un traitement thermique pour ensuite être revêtu par immersion en fusion dans un bain en fusion contenant au moins 85 % de zinc et/ou d'aluminium, avec le revêtement métallique. Selon l'invention, le traitement thermique comprend les étapes suivantes du procédé : a) le produit plat en acier est chauffé sous une atmosphère réductrice présentant une teneur en H2 d'au moins 2 % à 8 % à une température de > 750 °C à 850 °C. b) La surface constituée principalement de fer pur est convertie par un traitement thermique de 1 à 10 sec du produit plat en acier à une température > 750 °C à 850 °C dans une chambre de réaction intégrée dans un four continu avec une atmosphère oxydante présentant une teneur en O<SUB>2</SUB> de 0,01 % à 1 % en une couche d'oxyde de fer. c) Le produit plat en acier est ensuite porté à incandescence sous une atmosphère réductrice présentant une teneur en H<SUB>2</SUB> de 2 % à 8 % par chauffage jusqu'à une température maximale de 900 °C pendant une durée qui est aussi longue que la durée du traitement thermique réalisé pour la formation de la couche d'oxyde de fer (étape du procédé b), de sorte que la couche d'oxyde de fer formée auparavant soit réduite au moins sur sa surface en fer pur. d) Le produit plat en acier est ensuite refroidi à la température du bain de fusion.
EP06754869A 2006-04-26 2006-04-26 Procédé de revêtement par immersion en fusion d'un produit plat en acier hyperrésistant Not-in-force EP2010690B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06754869T PL2010690T3 (pl) 2006-04-26 2006-04-26 Sposób metalizacji zanurzeniowej płaskiego wyrobu stalowego ze stali wysokowytrzymałej

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2006/061858 WO2007124781A1 (fr) 2006-04-26 2006-04-26 Procédé de revêtement par immersion en fusion d'un produit plat en acier hyperrésistant

Publications (2)

Publication Number Publication Date
EP2010690A1 true EP2010690A1 (fr) 2009-01-07
EP2010690B1 EP2010690B1 (fr) 2010-02-24

Family

ID=37492622

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06754869A Not-in-force EP2010690B1 (fr) 2006-04-26 2006-04-26 Procédé de revêtement par immersion en fusion d'un produit plat en acier hyperrésistant

Country Status (12)

Country Link
US (1) US8636854B2 (fr)
EP (1) EP2010690B1 (fr)
JP (1) JP5189587B2 (fr)
KR (1) KR101275839B1 (fr)
CN (1) CN101501235B (fr)
AT (1) ATE458838T1 (fr)
BR (1) BRPI0621610A2 (fr)
CA (1) CA2647687C (fr)
DE (1) DE502006006289D1 (fr)
ES (1) ES2339804T3 (fr)
PL (1) PL2010690T3 (fr)
WO (1) WO2007124781A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013007578A2 (fr) 2011-07-11 2013-01-17 Thyssenkrupp Steel Europe Ag Procédé de fabrication d'un produit plat en acier muni par immersion à chaud d'une couche de protection métallique
US9279175B2 (en) 2010-08-31 2016-03-08 Thyssenkrupp Steel Europe Ag Method for hot dip coating a flat steel product
US20190275766A1 (en) * 2016-05-30 2019-09-12 Jfe Steel Corporation Ferritic stainless steel sheet
EP3686534A1 (fr) 2019-01-23 2020-07-29 Drever International Procédé et four pour le traitement thermique d'une bande d acier de haute résistance comprenant une chambre d homogénéisation en température
WO2020201136A1 (fr) * 2019-04-01 2020-10-08 Salzgitter Flachstahl Gmbh Procédé de fabrication d'une bande d'acier à adhérence améliorée de revêtements métalliques par immersion à chaud
WO2020201133A1 (fr) * 2019-04-01 2020-10-08 Salzgitter Flachstahl Gmbh Procédé de fabrication d'une bande d'acier à adhérence améliorée de revêtements métalliques par immersion à chaud

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5555992B2 (ja) * 2008-09-05 2014-07-23 Ｊｆｅスチール株式会社 表面外観とめっき密着性に優れる高強度溶融亜鉛めっき鋼板の製造方法
JP5556033B2 (ja) * 2009-03-19 2014-07-23 Ｊｆｅスチール株式会社 高強度溶融亜鉛めっき鋼板の製造方法
WO2010114142A1 (fr) 2009-03-31 2010-10-07 Ｊｆｅスチール株式会社 Plaque en acier galvanisée à chaud de grande résistance et son procédé de fabrication
EP2374910A1 (fr) 2010-04-01 2011-10-12 ThyssenKrupp Steel Europe AG Acier, produit plat en acier, composant en acier et procédé de fabrication d'un composant en acier
DE102011056823A1 (de) 2011-12-21 2013-06-27 Thyssen Krupp Steel Europe AG Düseneinrichtung für einen Ofen zum Wärmebehandeln eines Stahlflachprodukts und mit einer solchen Düseneinrichtung ausgestatteter Ofen
EP2664682A1 (fr) 2012-05-16 2013-11-20 ThyssenKrupp Steel Europe AG Acier destiné à la fabrication d'un composant en acier, produit plat en acier en étant constitué, composant en étant issu et leur procédé de fabrication
KR101482335B1 (ko) * 2012-12-21 2015-01-13 주식회사 포스코 도금성 및 도금밀착성이 우수한 초고강도 용융아연도금강판 및 그 제조방법
JP5920249B2 (ja) * 2013-03-05 2016-05-18 Ｊｆｅスチール株式会社 めっき密着性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法
DE102013105378B3 (de) 2013-05-24 2014-08-28 Thyssenkrupp Steel Europe Ag Verfahren zur Herstellung eines durch Schmelztauchbeschichten mit einer metallischen Schutzschicht versehenen Stahlflachprodukts und Durchlaufofen für eine Schmelztauchbeschichtungsanlage
WO2015001367A1 (fr) * 2013-07-04 2015-01-08 Arcelormittal Investigación Y Desarrollo Sl Feuille d'acier laminée à froid, procédé de fabrication et véhicule
EP3135778B1 (fr) 2015-08-31 2018-07-11 Cockerill Maintenance & Ingenierie S.A. Procédé et dispositif de commande de réaction
JP6792561B2 (ja) * 2015-04-02 2020-11-25 コケリル メンテナンス アンド インジェニエリー ソシエテ アノニム 反応制御のための方法及び装置
EP3170913A1 (fr) 2015-11-20 2017-05-24 Cockerill Maintenance & Ingenierie S.A. Procédé et dispositif de commande de réaction
EP3286343B1 (fr) 2015-04-22 2019-06-05 Cockerill Maintenance & Ingéniérie S.A. Procédé de commande de réaction
EP3173495A1 (fr) 2015-11-25 2017-05-31 Cockerill Maintenance & Ingenierie S.A. Procédé et dispositif de commande de réaction
WO2016177590A1 (fr) 2015-05-07 2016-11-10 Cockerill Maintenance & Ingenierie S.A. Procédé et dispositif de contrôle de réaction
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US9279175B2 (en) 2010-08-31 2016-03-08 Thyssenkrupp Steel Europe Ag Method for hot dip coating a flat steel product
WO2013007578A2 (fr) 2011-07-11 2013-01-17 Thyssenkrupp Steel Europe Ag Procédé de fabrication d'un produit plat en acier muni par immersion à chaud d'une couche de protection métallique
US9096919B2 (en) 2011-07-11 2015-08-04 Thyssenkrupp Steel Europe Ag Method for producing a flat steel product provided with a metal protective layer by way of hot dip coating
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US20190275766A1 (en) * 2016-05-30 2019-09-12 Jfe Steel Corporation Ferritic stainless steel sheet
EP3686534A1 (fr) 2019-01-23 2020-07-29 Drever International Procédé et four pour le traitement thermique d'une bande d acier de haute résistance comprenant une chambre d homogénéisation en température
BE1026986A1 (fr) 2019-01-23 2020-08-17 Drever Int Sa Procédé et four pour le traitement thermique d’une bande d’acier de haute résistance comprenant une chambre d’homogénéisation en température
WO2020201136A1 (fr) * 2019-04-01 2020-10-08 Salzgitter Flachstahl Gmbh Procédé de fabrication d'une bande d'acier à adhérence améliorée de revêtements métalliques par immersion à chaud
WO2020201133A1 (fr) * 2019-04-01 2020-10-08 Salzgitter Flachstahl Gmbh Procédé de fabrication d'une bande d'acier à adhérence améliorée de revêtements métalliques par immersion à chaud

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ES2339804T3 (es) 2010-05-25
EP2010690B1 (fr) 2010-02-24
DE502006006289D1 (de) 2010-04-08
CN101501235A (zh) 2009-08-05
CA2647687A1 (fr) 2007-11-08
KR20080111492A (ko) 2008-12-23
KR101275839B1 (ko) 2013-06-18
JP5189587B2 (ja) 2013-04-24
ATE458838T1 (de) 2010-03-15
PL2010690T3 (pl) 2010-07-30
JP2009534537A (ja) 2009-09-24
CN101501235B (zh) 2012-07-04
BRPI0621610A2 (pt) 2011-12-13
CA2647687C (fr) 2012-10-02
US8636854B2 (en) 2014-01-28
WO2007124781A1 (fr) 2007-11-08
US20090199931A1 (en) 2009-08-13

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