WO2011054571A1 - Réalisation de tôles recuites après galvanisation par traitement thermique de tôles revêtue par voie électrolytique - Google Patents

Réalisation de tôles recuites après galvanisation par traitement thermique de tôles revêtue par voie électrolytique Download PDF

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Publication number
WO2011054571A1
WO2011054571A1 PCT/EP2010/063351 EP2010063351W WO2011054571A1 WO 2011054571 A1 WO2011054571 A1 WO 2011054571A1 EP 2010063351 W EP2010063351 W EP 2010063351W WO 2011054571 A1 WO2011054571 A1 WO 2011054571A1
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WO
WIPO (PCT)
Prior art keywords
zinc
steel strip
rolled
sheets
annealing
Prior art date
Application number
PCT/EP2010/063351
Other languages
German (de)
English (en)
Inventor
Josef Faderl
Original Assignee
Voestalpine Stahl Gmbh
Gerdenitsch, Johann
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 Voestalpine Stahl Gmbh, Gerdenitsch, Johann filed Critical Voestalpine Stahl Gmbh
Priority to KR1020127011679A priority Critical patent/KR20130004234A/ko
Priority to JP2012535712A priority patent/JP2013510233A/ja
Priority to CN2010800496469A priority patent/CN102712961A/zh
Priority to EP10751954.8A priority patent/EP2496721B8/fr
Priority to US13/505,253 priority patent/US20120279868A1/en
Publication of WO2011054571A1 publication Critical patent/WO2011054571A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/34—Pretreatment of metallic surfaces to be electroplated
    • C25D5/36—Pretreatment of metallic surfaces to be electroplated of iron or steel
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/68—Temporary coatings or embedding materials applied before or during heat treatment
    • C21D1/70—Temporary coatings or embedding materials applied before or during heat treatment while heating or quenching
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/68—Temporary coatings or embedding materials applied before or during heat treatment
    • C21D1/72—Temporary coatings or embedding materials applied before or during heat treatment during chemical change of surfaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0478—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing involving a particular surface treatment
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/663—Bell-type furnaces
    • 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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • 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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • C23C28/021—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material including at least one metal alloy layer
    • 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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • C23C28/023—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only
    • C23C28/025—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only with at least one zinc-based layer
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48—After-treatment of electroplated surfaces
    • C25D5/50—After-treatment of electroplated surfaces by heat-treatment
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/06—Wires; Strips; Foils
    • C25D7/0614—Strips or foils
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2221/00—Treating localised areas of an article
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/22—Electroplating: Baths therefor from solutions of zinc

Definitions

  • the invention relates to a method for producing coated steel sheets.
  • barrier protective layers In principle, a distinction is made between so-called barrier protective layers and cathodically active protective layers.
  • Barrier protection layers are, in particular, protective layers which consist of aluminum, tin or chromium, for which purpose, for example, an aluminum alloy is applied to a steel strip by so-called hot-dip coating.
  • the most widespread corrosion protection layer with ka ⁇ thodischer effect is a zinc coating, the effect is based in particular on the fact that in a damage of the zinc layer on the steel down to the steel substrate herun ⁇ ter first the zinc is corroded as a chemically base metal and so the steel substrate protects.
  • the zinc coatings again contain pure zinc coatings, zinc coatings with a low aluminum content, Zinc coatings with an aluminum content of about 5% (Gal ⁇ fan) and zinc-aluminum coatings with about half each shares of zinc and aluminum.
  • These coatings are also applied in the hot-dip process, wherein a preheated steel strip is passed through a zinc bath ⁇ or zinc alloy bath.
  • Galvanealed layers in which first a Zink upon. Zinc alloy layer is applied to a steel substrate and then annealing is performed such that there is a diffusion reaction between the iron of the steel substrate and the zinc, so that forms a zinc-iron alloy layer.
  • a Zink By a layer is referred to as Galvanealed layer.
  • Such a Galvannealed layer is produced at annealing temperatures of 480 ° C to 600 ° C in continuous flow furnaces, in which the band passes through after galvanizing.
  • the DE 10 2007 031 91 96 AI relates to a method Erzeu ⁇ gene of flexibly rolled band material with a cathodic corrosion protection layer, said flexibly rolled in this method, material, ie, steel strip over the length is plated under ⁇ different union steel strip thicknesses, inter alia, electrolytically, followed by annealing, with the annealing treatment at
  • a method and an apparatus for finishing of a flexibly rolled band material are known from DE 10 2004 023 886 B4, the cold strip is to have a on its thickness profile dressing ⁇ -determined characteristic profile, wherein a first annealing treatment at temperature between 500 ° C and 600 ° C is carried out, then the cold strip is rolled to predetermined thickness- ⁇ runs such that the flexible-rolled cold-rolled strip having in the rolling direction at least one region of greater thickness and an area of lesser thickness and a second Glühbehand ⁇ lung follows, in which the temperature is higher than the first annealing treatment he follows.
  • galvannealed layer is encountered on such flexibly rolled strips.
  • the application of the galvannealed coating is usually by way of hot dip galvanizing followed by a continuous inline heat treatment.
  • this steel grades that can not be produced by a hot-dip galvanizing or with great effort, not be provided with a galvannealed coating. This includes isotropic steels, high strength steels with strengths
  • the object of the invention is to provide a method for producing flexibly rolled or isotropic or higher-strength galvannel-coated steel strips.
  • the object is achieved by a method having the features of claim 1.
  • the problems are avoided by different temperatures in the flexible rolled strip in that the strip is not galvanized but electrolytically galvanized, so that different heights of zinc-iron phases due to temperature differences of the strip during hot-dip galvanizing are already avoided.
  • the problems of hot-dip galvanizing of isotropic or higher-strength steels avoided the problems of hot-dip galvanizing of isotropic or higher-strength steels.
  • the galvannealed layer is not continuously generated in ⁇ line, but the galvannealed-layer formation takes place under protective gas in an annealer.
  • the temperature of the annealing is reduced, according to the invention, temperatures of about 300 ° C are maintained at holding ⁇ times of about 20 hours.
  • a strip is flexibly cold rolled, a recrystallization anneal is carried out in a bell annealer at about 650 ° C. for 24 hours, subsequently the strip is subjected to striping and electrolytic zinc plating and subsequently the galvannealing step is carried out in the annealing annealing.
  • a steel strip with periodically changing sheet thickness can be provided with a high-grade cathodic corrosion protection, which has a good weldability, advantageously both isotropic and higher-strength steels and other steel grades can also be provided with a Galvanealed layer.
  • Galvanea- sheets can be prepared with very low galvannealed layer pads, which is made possible firstly by the electrolytically ⁇ diagram zinc coating and the other by the gentle cooling.
  • isotropic and higher-strength steels which are difficult to access for hot-dip galvanizing, can also be provided with a galvannealed layer if the described glow annealing step according to the invention is followed by electrolytic galvanizing.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electrochemistry (AREA)
  • Coating With Molten Metal (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Electroplating Methods And Accessories (AREA)

Abstract

La présente invention concerne un procédé pour réaliser un feuillard d'acier présentant un revêtement cathodique anti-corrosion, le feuillard d'acier étant laminé à chaud puis laminé à froid, le feuillard d'acier subissant une galvanisation puis un traitement thermique dans un four de recuit à cloche à des températures de 250°C à 350°C pendant une période de 4 à 48 heures, ce qui permet de produire une couche zinc-fer.
PCT/EP2010/063351 2009-11-03 2010-09-13 Réalisation de tôles recuites après galvanisation par traitement thermique de tôles revêtue par voie électrolytique WO2011054571A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020127011679A KR20130004234A (ko) 2009-11-03 2010-09-13 전기분해로 가공된 판의 열처리에 의한 합금화용융아연 도금판의 제조방법
JP2012535712A JP2013510233A (ja) 2009-11-03 2010-09-13 電解加工シートを熱処理することによってガルバニール処理シートを製造する方法
CN2010800496469A CN102712961A (zh) 2009-11-03 2010-09-13 通过热处理电解精整板制造镀锌层扩散处理板
EP10751954.8A EP2496721B8 (fr) 2009-11-03 2010-09-13 Réalisation de tôles recuites après galvanisation par traitement thermique de tôles revêtue par voie électrolytique
US13/505,253 US20120279868A1 (en) 2009-11-03 2010-09-13 Manufacturing galvannealed sheets by heat-treating electrolytically finished sheets

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009051673.5 2009-11-03
DE102009051673A DE102009051673B3 (de) 2009-11-03 2009-11-03 Herstellung von Galvannealed-Blechen durch Wärmebehandlung elektrolytisch veredelter Bleche

Publications (1)

Publication Number Publication Date
WO2011054571A1 true WO2011054571A1 (fr) 2011-05-12

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PCT/EP2010/063351 WO2011054571A1 (fr) 2009-11-03 2010-09-13 Réalisation de tôles recuites après galvanisation par traitement thermique de tôles revêtue par voie électrolytique

Country Status (7)

Country Link
US (1) US20120279868A1 (fr)
EP (1) EP2496721B8 (fr)
JP (1) JP2013510233A (fr)
KR (1) KR20130004234A (fr)
CN (1) CN102712961A (fr)
DE (1) DE102009051673B3 (fr)
WO (1) WO2011054571A1 (fr)

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DE102012110972B3 (de) 2012-11-14 2014-03-06 Muhr Und Bender Kg Verfahren zum Herstellen eines Erzeugnisses aus flexibel gewalztem Bandmaterial und Erzeugnis aus flexibel gewalztem Bandmaterial
DE102013010025A1 (de) * 2013-06-17 2014-12-18 Muhr Und Bender Kg Verfahren zum Herstellen eines Erzeugnisses aus flexibel gewalztem Bandmaterial
FI20135775L (fi) 2013-07-16 2014-09-03 Rautaruukki Oyj Menetelmä valmistaa galvannealed-käsitelty teräsnauhatuote kuumapuristusmuovaukseen, menetelmä valmistaa kuumapuristettu teräskomponentti, ja galvannealed-käsitelty teräsnauhatuote
RU2661313C2 (ru) 2014-01-17 2018-07-16 Аперам Способ изготовления ленты переменной толщины и полученная этим способом лента
DE102015112889A1 (de) * 2015-08-05 2017-02-09 Salzgitter Flachstahl Gmbh Hochfester manganhaltiger Stahl, Verwendung des Stahls für flexibel gewalzte Stahlflachprodukte und Herstellverfahren nebst Stahlflachprodukt hierzu
DE102015116619B4 (de) 2015-09-30 2018-11-29 Thyssenkrupp Ag Herstellung von Halbzeugen und Strukturbauteilen mit bereichsweise unterschiedlichen Materialdicken
DE102016102723B3 (de) 2016-02-16 2017-06-01 Salzgitter Flachstahl Gmbh Dressierarbeitswalze, Verfahren zum Dressieren eines Flachproduktes hiermit und Flachprodukt hieraus
CN112292468A (zh) * 2018-05-08 2021-01-29 塔塔钢铁艾默伊登有限责任公司 可变轧制的钢带材、片材或坯料及其制备方法
CN109487307A (zh) * 2018-12-28 2019-03-19 凡登（常州）新型金属材料技术有限公司 一种镀锌钢丝及其制备方法
CN111719131A (zh) * 2019-03-22 2020-09-29 宝山钢铁股份有限公司 一种带镀层变厚度钢板的生产工艺
EP3963114A1 (fr) * 2019-04-30 2022-03-09 Tata Steel IJmuiden B.V. Procédé de production d'une bande laminée sur mesure à recuit discontinu
EP3872231A1 (fr) * 2020-02-28 2021-09-01 voestalpine Stahl GmbH Procédé de conditionnement de la surface d'un bande métallique revêtu d'une couche de protection contre la corrosion en alliage de zinc

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DE102004023886B4 (de) 2004-05-12 2007-04-12 Muhr Und Bender Kg Verfahren und Vorrichtung zur Veredelung von flexibel gewalztem Bandmaterial
EP1624093A1 (fr) * 2004-08-04 2006-02-08 Aluminal Oberflächentechnik GmbH & Co. KG Recouvrir des substrats en métaux legers ou en alliages de métaux légers
EP1767670A1 (fr) * 2005-09-23 2007-03-28 ThyssenKrupp Steel AG Procédé de fabrication d'un produit plat en acie protégé contre la corrosion
DE102006001628A1 (de) * 2006-01-11 2007-07-26 Thyssenkrupp Steel Ag Verzinktes walzhartes kaltgewalztes Flachprodukt und Verfahren zu seiner Herstellung
DE102007013739B3 (de) 2007-03-22 2008-09-04 Voestalpine Stahl Gmbh Verfahren zum flexiblen Walzen von beschichteten Stahlbändern
DE102007019196A1 (de) * 2007-04-20 2008-10-23 Muhr Und Bender Kg Verfahren zum Erzeugen von flexibel gewalztem Bandmaterial mit einer kathodischen Korrosionsschutzschicht
EP2045360A1 (fr) * 2007-10-02 2009-04-08 ThyssenKrupp Steel AG Procédé de fabrication d'un composant en acier par façonnage à chaud et composant en acier fabriqué par façonnage à chaud

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WO2012085256A3 (fr) * 2010-12-24 2012-08-16 Voestalpine Stahl Gmbh Procédé de fabrication de composants durcis

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JP2013510233A (ja) 2013-03-21
KR20130004234A (ko) 2013-01-09
DE102009051673B3 (de) 2011-04-14
US20120279868A1 (en) 2012-11-08
EP2496721B1 (fr) 2015-06-17
CN102712961A (zh) 2012-10-03
EP2496721A1 (fr) 2012-09-12
EP2496721B8 (fr) 2015-08-26

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