[go: up one dir, main page]

EP1999287B1 - Verfahren zum kontinuierlichen glühen und vorbereiten eines bands aus hochfestem stahl zum zweck der feuerverzinkung des bands - Google Patents

Verfahren zum kontinuierlichen glühen und vorbereiten eines bands aus hochfestem stahl zum zweck der feuerverzinkung des bands Download PDF

Info

Publication number
EP1999287B1
EP1999287B1 EP07719191A EP07719191A EP1999287B1 EP 1999287 B1 EP1999287 B1 EP 1999287B1 EP 07719191 A EP07719191 A EP 07719191A EP 07719191 A EP07719191 A EP 07719191A EP 1999287 B1 EP1999287 B1 EP 1999287B1
Authority
EP
European Patent Office
Prior art keywords
strip
heating
section
temperature
atmosphere
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.)
Not-in-force
Application number
EP07719191A
Other languages
English (en)
French (fr)
Other versions
EP1999287A1 (de
Inventor
Michel Bordignon
Xavier Vanden Eynde
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.)
Centre de Recherches Metallurgiques CRM ASBL
Original Assignee
Centre de Recherches Metallurgiques CRM ASBL
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 Centre de Recherches Metallurgiques CRM ASBL filed Critical Centre de Recherches Metallurgiques CRM ASBL
Priority to PL07719191T priority Critical patent/PL1999287T3/pl
Publication of EP1999287A1 publication Critical patent/EP1999287A1/de
Application granted granted Critical
Publication of EP1999287B1 publication Critical patent/EP1999287B1/de
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
    • 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
    • C23C2/04—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
    • 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

Definitions

  • the present invention relates to a novel process for the continuous annealing and preparation of a high strength steel strip for hot dip coating in a bath of liquid metal, preferably a galvanization or a so-called galvannealing ".
  • the technical field considered here is that of galvanization by continuous scrolling, in a coating bath composed of zinc or zinc alloy, of steel strips heavily loaded with alloying elements, more particularly HSS steels ( high strength steels ).
  • alloying elements more particularly HSS steels ( high strength steels ).
  • These special steels which are known to be difficult to galvanize, are, for example, steels which may contain contents of alloying elements (aluminum, manganese, silicon, chromium, etc.) up to 2% or more, stainless steels, "dual phase ", TRIP, TWIP (up to 25% Mn and 3% Al), etc.
  • These steel strips are generally intended for cutting and subsequent shaping by stamping, folding, etc., for applications for example in the automotive or construction sector.
  • the present invention aims to provide a solution that makes it possible to overcome the disadvantages of the state of the art.
  • the invention aims to provide a method of annealing and preparation for galvanizing high strength steels that is more economical, the latter being carried out with or without accompanying heat treatment galvannealing type.
  • the invention also aims to allow a preparation of high strength steels for galvanizing, which are free of brittleness defects.
  • the invention aims to provide a confined atmosphere annealing process free of added hydrogen.
  • An additional object of the invention is to prevent the selective oxidation of alloying elements in the outermost layer of the surface of the strip during the total oxidation step during continuous annealing prior to cooling. and immersion in the zinc bath.
  • the controlled oxygen content is maintained in the heating and holding section between 50 and 400 ppm.
  • the separation of the oxidizing atmosphere from the reducing atmosphere is carried out by an overpressure of the oxidizing atmosphere, so that the oxygen entrained by the strip in the cooling zone and transfer through the airlock, following this overpressure, react completely with the hydrogen contained in the cooling atmosphere by forming water vapor.
  • the hydrogen is allowed to react, present in the cooling and transfer section, entrained in the hot gas stream directed upstream, with oxygen from the heating and holding section to form water vapor.
  • the cooling and transfer section is maintained in overpressure with respect to the heating and holding section. As the gas under pressure can not escape to the bath of liquid metal, it goes back to the heating and maintenance zone.
  • the control of the oxygen content of the oxide layer formed in the heating and holding section is obtained either by modifying the gaseous mixture containing combustion air supplying direct flame heating means, or by controlled injection of the air (or oxygen) / inert gas mixture in the case of radiation or induction heating.
  • the non-oxidizing or inert gas is nitrogen or argon.
  • the liquid metal is zinc or one of its alloys.
  • the heating and maintenance zone is devoid of a reducing atmosphere.
  • the hot dip coating process is a galvanization or a galvannealing treatment.
  • the atmosphere both in the heating and holding section and in the cooling and transfer section has a dew point less than or equal to -10 ° C, preferably -20 ° C.
  • the strip is heated to a temperature of between 650 ° C. and 1200 ° C., including the holding temperature.
  • the band is then cooled down to a temperature above 450 ° C, with a cooling rate between 10 and 100 ° C / s.
  • An economical method, proposed according to the invention aims to perform the annealing step preparatory to galvanization, without the addition of hydrogen gas which is ten times more expensive than a more common gas such as nitrogen and which is In addition, it causes serious fragility defects in resistance steels.
  • the aim of the invention is to obtain perfect galvanization for all grades of resistance steel. To avoid oxidation of the alloy elements at the extreme surface, it is proposed to inject an air / nitrogen mixture into the oven during the entire cycle of (pre-) heating and holding the sheet at high temperature.
  • This method therefore does not require any atmospheric separation throughout the heating / holding part as is the case in other processes (for example JP-A-2003/342645 where negative reactive zones are included at this part of the furnace.
  • the alloying elements also contribute to the reduction of iron oxide when migrating at the steel / iron oxide interface.
  • the air / nitrogen atmosphere of the heating / holding portion will, however, have to be separated and partially isolated from the non-oxidizing atmosphere of the cooling and transfer stages of the strip into the zinc bath.
  • the oxidizing atmosphere will preferably be maintained at an excess pressure relative to the non-oxidizing atmosphere such that the oxygen entrained by the sheet reacts completely with the hydrogen contained in the atmosphere of the cooling.
  • a steel containing, for example, 1.2% of aluminum will for example be heated and annealed to a temperature of 800 ° C. in an atmosphere containing 100 ppm of oxygen in nitrogen.
  • the sheet is cooled to 500 ° C. at a rate of 50 ° C./s in an atmosphere containing 4% hydrogen and 0.1% water vapor. which corresponds to a dew point of -20 ° C.
  • This sheet is then introduced at the temperature of 470 ° C. in a zinc bath, containing 0.2% of aluminum, which is maintained at 460 ° C. After immersion for 3 seconds, the coating is wrung out so as to keep an 8 ⁇ m zinc layer.
  • Such a zinc deposit is then perfectly wetting and has adhesion qualities comparable to that obtained for ordinary low-carbon steel.
  • the same process can be applied to a steel containing, for example, 1.5% silicon.
  • This increase in oxygen content is necessary because silicon slows the diffusion of iron by providing a silicon oxide barrier at the steel / iron oxide interface.
  • Another way of proceeding is to let the usual flux settle from the zinc bath to the heating section and to leave the very low hydrogen content ( ⁇ 0.5%), contained in the transfer / cooling section, react with the oxygen of the heating / holding part to form water vapor.
  • An additional supply of oxygen, at the outlet of the holding section, may be made to neutralize the hydrogen inlet, the contents used being always located very far from the dangerous, that is to say, explosive ( 4% H 2 in air).
  • a high hydrogen content is indeed not necessary in the cooling section because the carbon of the steel will be sufficient to reduce the thin layer of iron oxide created in the heating / holding part and the metal iron thus prepared will ensure a good wettability by the zinc during the immersion of the sheet in the bath.
  • this method will have to provide for controlling the oxygen content in the furnace within the range of 50 to 1000 ppm.
  • a content that is too low will not make it possible to produce a layer of iron oxide sufficiently impervious to the diffusion of the alloying elements towards the extreme surface, and a content that is too high in oxygen will produce a layer of iron oxide that is too thick. , which can not be reduced during the cooling and transfer steps to the zinc bath.
  • This oxygen content will preferably be in the range of 50 to 400 ppm.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Coating With Molten Metal (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Claims (12)

  1. Verfahren für das Ausglühen und die kontinuierliche Vorbereitung eines hochfesten Stahlbandes im Hinblick auf seine Beschichtung durch Heißgalvanisierung in einem Bad mit Flüssigmetall nachdem man das besagte Stahlband in mindestens zwei Abschnitten behandelt, das, wenn man die Fortschrittsrichtung des Sandes berücksichtigt, nachfolgende auf einander folgende Schritte umfasst:
    - einen sog. Abschnitt zur Erwärmung und Temperaturbewahrung, bei dem eine Erwärmung des Bandes mit einer Aufrechterhaltung einer gegebenen Temperatur für das Ausglühen unter einer zur Oxydation neigenden Umgebung erfolgt, welche ein nicht oxydierendes oder inertes Luft-/Gas-Gemisch (bzw. Sauerstoff-/Gas-Gemisch) enthält, um auf der Oberfläche des Bandes eine Oxydschicht zu bilden, deren Dicke vorzugweise zwischen 0,02 und 0,2 µm liegt und kontrolliert wird; das besagte Erwärmen des Bandes erfolgt entweder über eine direkte Flamme oder über Wärmestrahlung.
    - einen sog. Abschnitt zur Abkühlung und für den Transport, in dem das ausgeglühte Band vor seiner Weiterleitung zum Beschichtungsbad mindestens abgekühlt und einer vollständigen Reduzierung zum Eisenmetall vom Eisenoxyd, das in der Oxydschicht, welche im Abschnitt zur Erwärmung und Temperaturbewahrung gebildet wird, unterworfen wird; dies erfolgt in einer reduzierenden Umgebung, die ein Gemisch mit einem niedrigen Gehalt an Wasserstoff und inertem Gas enthält, wobei die beiden Abschnitte voneinander durch eine herkömmliche Luftschleuse getrennt werden und dadurch gekennzeichnet, dass zumindest teilweise die zur Oxydation neigende und die reduzierende Umgebung voneinander getrennt werden, in dem man einen kontrollierten Sauerstoffgehalt im Abschnitt zur Erwärmung und zur Temperaturbewahrung von zwischen 50 und 1000 ppm bewahrt und indem man einen kontrollierten Wasserstoffgehalt im Abschnitt zur Abkühlung und zur Weiterleitung mit einem Wert von weniger als 4% und vorzugsweise von weniger als 0,5 % hält.
  2. Verfahren gemäß Anspruch 1, dadurch gekennzeichnet, dass man im Abschnitt zur Erwärmung und Temperaturbewahrung einen kontrollierten Sauerstoffgehalt von zwischen 50 und 400 ppm bewahrt.
  3. Verfahren gemäß Anspruch 1 bzw. 2, dadurch gekennzeichnet, dass die Abtrennung der oxydierenden Umgebung von der reduzierenden Umgebung durch einen Überdruck der oxydierenden Umgebung erreicht wird, damit der durch das Band durch die Luftschleuse mit hereingezogene Sauerstoff vollständig mit dem in der Umgebung zur Abkühlung enthaltenen Wasserstoff durch Bildung von Wasserdampf reagiert.
  4. Verfahren gemäß Anspruch 1 bzw. 2, dadurch gekennzeichnet, dass man den Wasserstoff, der im mit einem Überdruck im Vergleich zum Abschnitt zur Erwärmung und zur Temperaturbewahrung versehenen Abschnitt zur Abkühlung und Weiterleitung vorhanden ist und der durch den nach vorne gerichteten Heißgasstrom hereingezogen wird, mit dem aus dem Bereich zur Erwärmung und Temperaturbewahrung stammenden Sauerstoff reagieren lässt, um Wasserdampf zu bilden.
  5. Verfahren gemäß irgendeinem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Steuerung des Sauerstoffgehalts der im Abschnitt zur Erwärmung und Temperaturbewahrung gebildeten Oxydschicht entweder durch Modifizierung des Gasgemisches, das die Erwärmungsvorrichtungen in Form einer direkten Flamme versorgt, bzw. durch kontrollierte Einspritzung des Luft-(bzw. Sauerstoff-) / Inertgas-Gemisches für den Fall einer Erwärmung durch Strahlung oder Induktion erhalten wird.
  6. Verfahren gemäß irgendeinem der vorherigen Ansprüche, dadurch gekennzeichnet, dass es sich bei dem nicht-oxydierenden bzw. inertem Gas um Stickstoff oder Argon handelt.
  7. Verfahren gemäß irgendeinem der vorherigen Ansprüche, dadurch gekennzeichnet, dass es sich bei dem Flüssigmetall um Zink oder eine seiner Legierungen handelt.
  8. Verfahren gemäß Anspruch 1, dadurch gekennzeichnet, dass im Bereich zur Erwärmung und Temperaturbewahrung keine reduzierende Umgebung vorliegt.
  9. Verfahren gemäß Anspruch 1, dadurch gekennzeichnet, dass es sich bei dem Verfahren zur Beschichtung durch Eintauchen im warmen Zustand um eine Galvanisierung bzw. eine Galvannealing-Behandlung handelt.
  10. Verfahren gemäß einem der vorherigen Ansprüche, dadurch gekenntzeichnet, dass die Umgebung im Abschnitt zur Erwärmung und Temperaturbewahrung sowie im Abschnitt zur Abkühlung und zur Weiterleitung über einen Taupunkt von weniger oder gleich -10°C, vorzugsweise von - 20°C verfügt.
  11. Verfahren gemäß irgendeinem der vorherigen Ansprüche, dadurch gekennzeichnet, dass das Band auf eine Temperatur von zwischen 650°C und 1200°C erwärmt wird, wobei die bewahrte Temperatur mit eingeschlossen wird.
  12. Verfahren gemäß dem Anspruch 1, dadurch gekennzeichnet, dass das Band anschließend bis auf eine Temperatur von mehr als 450°C mit einer Abkühlungsgeschwindigkeit von zwischen 10 und 100°C/Sek. abgekühlt wird.
EP07719191A 2006-03-29 2007-03-13 Verfahren zum kontinuierlichen glühen und vorbereiten eines bands aus hochfestem stahl zum zweck der feuerverzinkung des bands Not-in-force EP1999287B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07719191T PL1999287T3 (pl) 2006-03-29 2007-03-13 Sposób ciągłego wyżarzania i przygotowywania taśmy ze stali o wysokiej wytrzymałości w celu jej cynkowania ogniowego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE2006/0201A BE1017086A3 (fr) 2006-03-29 2006-03-29 Procede de recuit et preparation en continu d'une bande en acier a haute resistance en vue de sa galvanisation au trempe.
PCT/BE2007/000026 WO2007109865A1 (fr) 2006-03-29 2007-03-13 Procede de recuit et de preparation en continu d'une bande d'acier a haute resistance en vue de sa galvanisation au trempe

Publications (2)

Publication Number Publication Date
EP1999287A1 EP1999287A1 (de) 2008-12-10
EP1999287B1 true EP1999287B1 (de) 2009-08-19

Family

ID=37012151

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07719191A Not-in-force EP1999287B1 (de) 2006-03-29 2007-03-13 Verfahren zum kontinuierlichen glühen und vorbereiten eines bands aus hochfestem stahl zum zweck der feuerverzinkung des bands

Country Status (18)

Country Link
US (1) US8409667B2 (de)
EP (1) EP1999287B1 (de)
JP (1) JP5140660B2 (de)
KR (1) KR101406789B1 (de)
CN (1) CN101466860B (de)
AT (1) ATE440156T1 (de)
AU (1) AU2007231473B2 (de)
BE (1) BE1017086A3 (de)
BR (1) BRPI0709419A2 (de)
CA (1) CA2644459C (de)
DE (1) DE602007002064D1 (de)
ES (1) ES2331634T3 (de)
MX (1) MX2008012494A (de)
PL (1) PL1999287T3 (de)
RU (1) RU2426815C2 (de)
UA (1) UA92079C2 (de)
WO (1) WO2007109865A1 (de)
ZA (1) ZA200808424B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN105358719A (zh) * 2013-07-04 2016-02-24 安赛乐米塔尔研发有限公司 冷轧钢板、制造方法和车辆

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008135445A1 (en) * 2007-05-02 2008-11-13 Corus Staal B.V. Method for hot dip galvanising of ahss or uhss strip material, and such material
FR2920439B1 (fr) * 2007-09-03 2009-11-13 Siemens Vai Metals Tech Sas Procede et dispositif d'oxydation/reduction controlee de la surface d'une bande d'acier en defilement continu dans un four a tubes radiants en vue de sa galvanisation
JP2010018874A (ja) * 2008-07-14 2010-01-28 Kobe Steel Ltd 合金化溶融亜鉛めっき鋼板と合金化溶融亜鉛めっき鋼板の製造方法
CN101812578B (zh) * 2009-02-25 2012-05-23 宝山钢铁股份有限公司 一种柔性的适合生产各种高强钢的带钢处理线
DE102009018577B3 (de) 2009-04-23 2010-07-29 Thyssenkrupp Steel Europe Ag Verfahren zum Schmelztauchbeschichten eines 2-35 Gew.-% Mn enthaltenden Stahlflachprodukts und Stahlflachprodukt
CN102121089A (zh) * 2011-01-28 2011-07-13 浙江永丰钢业有限公司 带钢连续热镀稀土锌铝合金的还原退火与热镀工艺
DE102011102659A1 (de) * 2011-05-27 2012-11-29 ThermProTEC Asia UG (haftungsbeschränkt) Verfahren und Vorrichtung zum Voroxidieren von Metallbändern
DE102011051731B4 (de) 2011-07-11 2013-01-24 Thyssenkrupp Steel Europe Ag Verfahren zur Herstellung eines durch Schmelztauchbeschichten mit einer metallischen Schutzschicht versehenen Stahlflachprodukts
KR101360734B1 (ko) * 2011-12-28 2014-02-10 주식회사 포스코 도금성 및 도금 밀착성이 우수한 용융아연도금강판 및 그 제조방법
CN104245996B (zh) * 2012-04-17 2017-06-13 杰富意钢铁株式会社 镀层密合性和滑动特性优良的合金化热镀锌钢板的制造方法
EP2862946B1 (de) * 2012-06-13 2019-03-06 JFE Steel Corporation Verfahren zum kontinuierlichen glühen von stahlbändern, vorrichtung zum kontinuierlichen glühen von stahlbändern, verfahren zur herstellung feuerverzinkter stahlbänder und vorrichtung zur herstellung feuerverzinkter stahlbänder
CN103726003B (zh) * 2013-12-20 2015-10-28 东北大学 一种基于氧化铁皮还原的热轧带钢免酸洗热镀锌方法
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
WO2017182833A1 (en) 2016-04-19 2017-10-26 Arcelormittal Method for producing a metallic coated steel sheet
CN106119477B (zh) * 2016-08-25 2018-07-10 华冠新型材料股份有限公司 用于连续退火工艺的还原性气氛建立方法及连续退火工艺
CN106435105B (zh) * 2016-12-01 2017-12-26 浙江东南金属薄板有限公司 一种热镀锌钢卷的制备方法
CN107164624B (zh) * 2017-04-10 2020-02-21 首钢集团有限公司 一种控制含磷冷轧高强钢表面麻点缺陷的方法
CN107254572B (zh) * 2017-06-01 2019-07-02 首钢集团有限公司 一种冷轧硅锰双相钢表面麻点缺陷的控制方法
WO2019171157A1 (en) 2018-03-09 2019-09-12 Arcelormittal A manufacturing process of press hardened parts with high productivity
FR3095452A1 (fr) * 2019-04-29 2020-10-30 Fives Stein Ligne de traitement en continu de bandes métalliques à double usage
CN111850263B (zh) * 2020-06-22 2022-07-26 鞍钢蒂森克虏伯汽车钢有限公司 一种连续热镀锌烘烤硬化钢板提升耐时效性能的生产方法
CN111850262B (zh) * 2020-06-22 2022-07-26 鞍钢蒂森克虏伯汽车钢有限公司 一种超低碳烘烤硬化连续热镀锌钢板的生产方法
CN112143992A (zh) * 2020-10-23 2020-12-29 杭州创力科技服务有限公司 变温式氧化还原一体化前处理工艺及其处理装置
KR102712250B1 (ko) * 2022-09-30 2024-10-04 현대제철 주식회사 도금강판 및 그 제조방법

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3966351A (en) * 1974-05-15 1976-06-29 Robert Stanley Sproule Drag reduction system in shrouded turbo machine
US3925579A (en) * 1974-05-24 1975-12-09 Armco Steel Corp Method of coating low alloy steels
JP3255765B2 (ja) * 1993-07-14 2002-02-12 川崎製鉄株式会社 高張力溶融または合金化溶融亜鉛めっき鋼板の製造方法
KR100679796B1 (ko) * 1999-02-25 2007-02-07 제이에프이 스틸 가부시키가이샤 강판, 용융 도금 강판 및 합금화 용융 도금 강판과 이들의제조 방법
BE1014997A3 (fr) * 2001-03-28 2004-08-03 Ct Rech Metallurgiques Asbl Procede de recuit en continu de bandes en acier en vue de leur galvanisation au trempe et four pour sa mise en oeuvre.
JP4168667B2 (ja) 2002-05-30 2008-10-22 Ｊｆｅスチール株式会社 連続溶融亜鉛めっき用インライン焼鈍炉
JP2004280925A (ja) 2003-03-14 2004-10-07 Shinano Kenshi Co Ltd 光ディスク装置
JP4415579B2 (ja) 2003-06-30 2010-02-17 Ｊｆｅスチール株式会社 溶融亜鉛めっき鋼板の製造方法
JP4321181B2 (ja) 2003-08-25 2009-08-26 Ｊｆｅスチール株式会社 クロムを含まない上塗絶縁被膜の形成方法
JP4140962B2 (ja) 2003-10-02 2008-08-27 日新製鋼株式会社 低降伏比型高強度合金化溶融亜鉛めっき鋼板の製造方法
JP4254823B2 (ja) * 2006-08-30 2009-04-15 カシオ計算機株式会社 反応装置及び電子機器
US7792392B2 (en) * 2006-12-09 2010-09-07 University of Pittsburgh—of the Commonwealth System of Higher Education Fiber optic gas sensor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN105358719A (zh) * 2013-07-04 2016-02-24 安赛乐米塔尔研发有限公司 冷轧钢板、制造方法和车辆

Also Published As

Publication number Publication date
JP2009531538A (ja) 2009-09-03
KR101406789B1 (ko) 2014-06-12
CN101466860B (zh) 2013-05-22
AU2007231473A1 (en) 2007-10-04
PL1999287T3 (pl) 2010-01-29
UA92079C2 (ru) 2010-09-27
EP1999287A1 (de) 2008-12-10
WO2007109865A1 (fr) 2007-10-04
ZA200808424B (en) 2009-12-30
AU2007231473B2 (en) 2010-12-02
CN101466860A (zh) 2009-06-24
US20100062163A1 (en) 2010-03-11
ES2331634T3 (es) 2010-01-11
CA2644459C (en) 2013-11-12
RU2008142434A (ru) 2010-05-10
JP5140660B2 (ja) 2013-02-06
BE1017086A3 (fr) 2008-02-05
MX2008012494A (es) 2008-12-12
KR20080111507A (ko) 2008-12-23
CA2644459A1 (en) 2007-10-04
DE602007002064D1 (de) 2009-10-01
US8409667B2 (en) 2013-04-02
ATE440156T1 (de) 2009-09-15
RU2426815C2 (ru) 2011-08-20
BRPI0709419A2 (pt) 2011-07-12

Similar Documents

Publication Publication Date Title
EP1999287B1 (de) Verfahren zum kontinuierlichen glühen und vorbereiten eines bands aus hochfestem stahl zum zweck der feuerverzinkung des bands
EP3783116B1 (de) Vorbeschichtete blätter, die die herstellung von druckgehärteten und beschichteten stahlteilen erlauben
EP2188399B2 (de) Gesteuertes verfahren und vorrichtung zur oxidation/oberflächenreduktion eines kontinuierlich durch einen strahlungsrohr-galvanisierungsofen laufenden stahlstreifens
CA2584449C (fr) Procede de revetement au trempe a chaud dans un bain de zinc des bandes en acier fer-carbone-manganese
US20130177780A1 (en) Hot Dip Plated Steel Sheet Having Excellent Plating Adhesiveness and Method of Manufacturing the Same
CN101103133B (zh) 用于对高强度钢的带材进行热浸镀的方法
RU2647419C2 (ru) Способ отжига листовой стали
CA2715174C (fr) Procede de revetement d'une bande metallique et installation de mise en oeuvre du procede
BE1014997A3 (fr) Procede de recuit en continu de bandes en acier en vue de leur galvanisation au trempe et four pour sa mise en oeuvre.
FR2828888A1 (fr) Procede de galvanisation a chaud de bandes metalliques d'aciers a haute resistance
BE1011131A6 (fr) Procede de revetement d'une bande d'acier par galvanisation a chaud.
EP2181198A1 (de) Verfahren zum betreiben einer durchgehenden glüh- oder galvanisierungsleitung für einen metallstreifen
FR2626010A1 (fr) Tole d'acier revetue de zinc allie et procede pour la fabriquer
EP0985054B1 (de) Verfahren zum kontinuierlichen herstellen von stahlband mit verbesserten oberflächeneigenschaften zum tiefziehen
FR2758571A1 (fr) Tole d'acier munie d'un revetement a base d'aluminium
EP0698671A1 (de) Verfahren zur Feuertauchbad-Aluminium eines Stahlbandes, enthaltend mindestens 0,1% Mangan, insbesondere rostfreies und/oder legiertes Stahl
EP1352099B1 (de) Verfahren zur vermeidung von zinkteilchenbeladung auf einem galvanisierten blech
WO2004038057A2 (fr) Procede de traitement de tole avant galvanisation
BE892218A (fr) Procede de galvanisation en continu de bandes d'acier
EP0848076A1 (de) Verfahren zur Heisstauch-Beschichtung einer Stahlplatte; galvanisierte oder aluminisierte Stahlplatte so hergestellt

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20080923

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REF Corresponds to:

Ref document number: 602007002064

Country of ref document: DE

Date of ref document: 20091001

Kind code of ref document: P

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: CRONIN INTELLECTUAL PROPERTY

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2331634

Country of ref document: ES

Kind code of ref document: T3

LTIE Lt: invalidation of european patent or patent extension

Effective date: 20090819

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20090819

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20091219

REG Reference to a national code

Ref country code: PL

Ref legal event code: T3

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20090819

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20090819

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20090819

REG Reference to a national code

Ref country code: SK

Ref legal event code: T3

Ref document number: E 6370

Country of ref document: SK

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20091221

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20091119

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20090819

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20090819

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20090819

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20090819

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20090819

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20100520

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100331

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20091120

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20101130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20090819

PGRI Patent reinstated in contracting state [announced from national office to epo]

Ref country code: IT

Effective date: 20110501

PGRI Patent reinstated in contracting state [announced from national office to epo]

Ref country code: IT

Effective date: 20110501

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20110313

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110313

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100313

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100220

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20160321

Year of fee payment: 10

Ref country code: SK

Payment date: 20160303

Year of fee payment: 10

Ref country code: ES

Payment date: 20160310

Year of fee payment: 10

Ref country code: IT

Payment date: 20160229

Year of fee payment: 10

Ref country code: TR

Payment date: 20160303

Year of fee payment: 10

Ref country code: CZ

Payment date: 20160302

Year of fee payment: 10

Ref country code: DE

Payment date: 20160229

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FI

Payment date: 20160323

Year of fee payment: 10

Ref country code: PL

Payment date: 20160302

Year of fee payment: 10

Ref country code: AT

Payment date: 20160323

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20160329

Year of fee payment: 10

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 602007002064

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170313

Ref country code: CZ

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170313

REG Reference to a national code

Ref country code: SE

Ref legal event code: EUG

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 440156

Country of ref document: AT

Kind code of ref document: T

Effective date: 20170313

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170314

REG Reference to a national code

Ref country code: SK

Ref legal event code: MM4A

Ref document number: E 6370

Country of ref document: SK

Effective date: 20170313

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170313

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20171003

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170313

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170331

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170313

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170331

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20180705

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170314

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170313

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20220217

Year of fee payment: 16

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170313

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20230331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230331