EP1457580A1 - Verfahren für die Oxidationskontrolle der Stahlbänder vor der Feurergalvanisierung und Galvanisierunglinie - Google Patents

Verfahren für die Oxidationskontrolle der Stahlbänder vor der Feurergalvanisierung und Galvanisierunglinie Download PDF

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Publication number
EP1457580A1
EP1457580A1 EP04290508A EP04290508A EP1457580A1 EP 1457580 A1 EP1457580 A1 EP 1457580A1 EP 04290508 A EP04290508 A EP 04290508A EP 04290508 A EP04290508 A EP 04290508A EP 1457580 A1 EP1457580 A1 EP 1457580A1
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EP
European Patent Office
Prior art keywords
strip
galvanizing
temperature
furnace
heating means
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.)
Withdrawn
Application number
EP04290508A
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English (en)
French (fr)
Inventor
François Mignard
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.)
Fives Stein SA
Original Assignee
Stein Heurtey SA
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Filing date
Publication date
Application filed by Stein Heurtey SA filed Critical Stein Heurtey SA
Publication of EP1457580A1 publication Critical patent/EP1457580A1/de
Withdrawn legal-status Critical Current

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    • 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
    • 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
    • C21D9/56—Continuous furnaces for strip or wire
    • C21D9/561—Continuous furnaces for strip or wire with a controlled atmosphere or vacuum
    • 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
    • C23C2/0034—Details related to elements immersed in bath
    • C23C2/00342—Moving elements, e.g. pumps or mixers
    • C23C2/00344—Means for moving substrates, e.g. immersed rollers or immersed bearings
    • 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
    • C23C2/0035—Means for continuously moving substrate through, into or out of the bath
    • 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
    • C23C2/02—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/0005—Details for water heaters
    • F24H9/0042—Cleaning arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators

Definitions

  • the invention relates to a galvanizing process continuously hot by dipping a steel strip having oxidizable additives in one proportion to improve properties steel mechanics.
  • Hot dip galvanizing ovens typically comprise several sections equipped to carry out different phases heat treatment which are generally: heating, holding, cooling.
  • the oven heat treatment is conditioned by an atmosphere neutral or reducing, generally consisting of mixture of nitrogen and hydrogen to reduce iron oxides present on the surface of the front plates their galvanization.
  • the object of the proposed invention is to provide a device and method for hot-dip galvanizing continuously tempered which allow to process correctly bands containing elements of oxidizable addition the content of which is sufficient for improve the mechanical properties of steel.
  • the invention relates to a galvanizing line in continuous hot with the dip of a steel strip having oxidizable additives in one proportion to improve properties steel mechanics, according to which the strip travels in a galvanizing furnace under an atmosphere reducing, with soaking in a galvanizing bath, this line being characterized in that it comprises upstream of the galvanizing furnace a heating means tape at an appropriate temperature followed by area to expose the strip to an oxidizing atmosphere whose oxygen content is such that, taking into account the strip temperature and the duration of the treatment, the oxidizable addition elements of the steel strip be oxidized on the surface and immediately below the surface of the strip before they could not migrate to said surface to form a layer of oxides capable of causing defects in galvanizing.
  • the iron oxides produced during this operation will be reduced during the passage of the tape in the oven.
  • the strip is brought to a temperature between 150 ° C and 400 ° C, preferably between 150 ° C and 300 ° C approximately, for the oxidation treatment.
  • the control of the oxidation of its surface, for an oxidizing atmosphere given will be made by the choice of the couple strip temperature / residence time in the oxidizing atmosphere.
  • Control of this temperature / residence time couple will be carried out continuously and will take into account the operation of the line, in particular the instant tape speed.
  • the control of the tape oxidation treatment can be carried out by regulating the heating power located upstream of the oven (action on the temperature of the band) or by acting on the distance between the element heater located upstream of the oven and the oven inlet (action on the oxidation time).
  • the oxidizing atmosphere in which takes place the controlled oxidation operation of the surface of the tape can be ambient air or any other atmosphere confined in an enclosure installed upstream of the oven and whose oxygen content will be checked.
  • FIG. 1 of the drawings we can see, schematically shown, a galvanizing line continuously hot by dipping a steel strip 1 in a zinc galvanizing bath in fusion 2.
  • the line includes a galvanizing oven produced according to state of the art 3 for the treatment of strip 1 before its soaking in the bath 2.
  • the oven includes several sections equipped to carry out successively the different phases of the treatment which are generally heating, maintaining then cooling to a temperature suitable for the deposition of zinc on the surface of the strip.
  • the atmosphere of the oven 3 is reducing, produced by a mixture of gases traditionally nitrogen with hydrogen with a dew point kept as low as possible.
  • the steel strip 1 contains addition elements oxidizable such as Si, Cr, Mn, Mo in proportions sufficient to improve its characteristics mechanical.
  • addition elements oxidizable such as Si, Cr, Mn, Mo in proportions sufficient to improve its characteristics mechanical.
  • this type of line of galvanizing did not allow galvanizing properly continuous, hot, dip, steel containing such oxidizable elements according to such proportions because, as already explained, during the heating and holding treatment at high temperature, a very thin layer of oxide of these addition elements formed on the surface and kept it in the molten zinc which caused defects in the coating.
  • the strip 1 in zone 8 to an oxidation treatment under atmospheric, temperature and residence times such as addition items oxidizable including Si, Cr, Mn or Mo, are oxidized under the surface of the tape before they could migrate to this surface to form a layer oxide capable of causing defects in galvanizing.
  • iron oxides are formed on the surface of the strip. These iron oxides are reduced in the oven enclosure 3 so that the strip 1, when it enters the molten zinc bath 2 has a surface with an oxide layer of reduced addition elements which allows good galvanizing.
  • Zone 8 includes a heating means for carrying the strip 1 at the desired temperature, typically between 150 ° C and 400 ° C.
  • a means of control 7 consisting of a calculator or a computer is provided to adjust the heating of the strip from sensors such as 4 band speed sensors, of temperature 5 and emissivity 6 of the surface of the bandaged.
  • the control of the oxidation kinetics results, in function of a given oxidizing atmosphere, the control of the final temperature of strip 1 in output of the heating means 8 and the residence time of strip 1 in zone 8 and between zone 8 and the inlet of the oven 3.
  • the combination of these parameters is optimized according to the grade of steel to process, line speed and thickness and of the width of the strip.
  • the heating means 8 is chosen to have a low thermal inertia and high reactivity so maintain control of surface oxidation of the band during the transient phases caused by line speed variations or tape format variations 1.
  • This heating medium 8 could be constituted by a gas oven, fire type naked or indirect heating, preferably this means of heating will consist of an induction furnace electromagnetic.
  • the induction oven has at minus an inductor which can be close together or away from the galvanizing furnace to modulate the heating kinetics produced.
  • Band 1 oxidation treatment in zone 8 and between zone 8 and the inlet of oven 3 will be preferably performed in air.
  • Oxidation control of the tape will be achieved then by controlling two parameters: the temperature of the strip at the outlet of 8 and the residence time of the air strip between its entry into zone 8 and entry into oven 3. The temperature should be increased when the speed of the line will increase to compensate for the decrease in high temperature strip residence time in the air.
  • Fig. 2 shows the temperature variation of a point of band 1 plotted on the ordinate as a function of the position of this point on the line carried in abscissa.
  • the strip temperature is low, for example lower than 100 ° C and corresponds to segment 9.
  • the temperature of strip 1 since its exit of the heating means 8 until it enters the oven 3 remains substantially constant as shown by segment 11, the oxidation treatment is continues during this phase. In the oven 3 enclosure, the heating of strip 1 will continue according to a cycle adapted to its metallurgy and symbolized by 12.
  • Tape oxidation control can be performed by action on one or more of parameters presented in Fig. 2. It is possible act on the temperature of the strip by varying the average slope of segment 10 to obtain a level variable of the level of segment 11. It is possible also to vary the duration of step 11 or modify the efficiency of the band oxidation during the level 11, for example by varying the oxygen concentration of the oxidizing atmosphere at which is exposed the tape during this level of treatment.
  • Fig. 3 shows a variant of FIG. 1 in which the heating zone 8 is so connected watertight at the inlet of the oven 3 through the enclosure 13.
  • the heating zone 8 is so connected watertight at the inlet of the oven 3 through the enclosure 13.
  • enclosure 13 it is possible to control the oxygen concentration so that adapt the oxidation of the strip to the specific type steel, belt speed or whatever parameter necessary for controlling the kinematics band oxidation.
  • Oxygen rate control of enclosure 13 as well as the seals of this enclosure vis-à-vis the outside or the enclosure of the oven 3 will be made according to the means of the state of art.
  • Control of the duration of the oxidation treatment in function of line operating parameters can be advantageously carried out by the modification of the length of strip 1 between the outlet of the means of heating 8 and the oven inlet 3. This variation of length can be carried out in various ways.
  • a first possibility consists in moving the means heating 8 in the direction of the strip 1 as illustrated schematically in FIG. 4 by the arrow in dashes 14. For a given tape speed, when the heating means 8 is brought closer to the oven 3, the duration of processing decreases while when the means of heater 8 is away from oven 3, the duration of treatment increases.
  • FIG. 5 A second possibility is illustrated in FIG. 5.
  • the heating means 8 are fixed. Between the means heating 8 and the oven 3, the strip 1 passes over a fixed roller 15 and on a mobile roller 16 which can be moved parallel to the direction of the tape as shown schematically by arrow 17.
  • the moving roller 16 When the moving roller 16 is moved towards the right the strip length between the means of heating 8 and the oven 3 increases which increases the duration of the oxidation treatment. Conversely, when the moving roller 16 is moved to the left of the Fig. 5, the strip length decreases which reduces the duration of treatment.
  • This arrangement with a roller mobile 16 and two horizontal strands of tape can be repeated several times with multiple rollers and several strands of variable length in order to increase the strip length between 8 and 3 and increase the possibility of variation of this length.
  • Fig. 6 shows a variant of FIG. 5 for which the heating means 8 are fixed and the strip 1 passes over two fixed rollers 20 and 21 and over a movable roller 19 which can be moved perpendicular to the main direction of the strip as shown schematically by arrow 18.
  • the moving roller 19 is moved upwards, the strip length between the heating means 8 and the oven 3 increases which increases the duration of the oxidation treatment.
  • the roller mobile 19 is moved down in FIG. 6, the strip length decreases which reduces the duration of the treatment.
  • This arrangement with a roller 19 and two vertical strands of tape can be repeated several times to increase the tape length between 8 and 3 and increase the possibility of variation of this length.
  • rollers 15 and 17 of FIG. 5 or the rollers 19, 20 and 21 of FIG. 6 in an enclosure such as 13 in which the oxygen concentration can be controlled and adjusted to the treatment to be obtained.
  • the band 1 arrives in the molten zinc bath 2 with a surface on which the formation of oxides has been limited, including for elemental oxides of addition, so that the adhesion of zinc on this surface can be done at best.
  • the galvanizing line according to the invention constitutes a flexible production tool allowing economically galvanize various steel grades whatever the nature of their flawless additives of deposition of zinc on their surface.
  • the necessary devices the implementation of the control process the oxidation of the bands comprising additives such as If, Cr, Mn, Mo ... can be easily added to a existing facility to expand its range of production or, on a facility where they are installed, they can be easily disabled to the production of steel grades not including these additives.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Coating With Molten Metal (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Electroplating Methods And Accessories (AREA)
EP04290508A 2003-03-12 2004-02-25 Verfahren für die Oxidationskontrolle der Stahlbänder vor der Feurergalvanisierung und Galvanisierunglinie Withdrawn EP1457580A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0303058A FR2852330B1 (fr) 2003-03-12 2003-03-12 Procede d'oxydation controlee de bandes avant galvanisation en continu et ligne de galvanisation
FR0303058 2003-03-12

Publications (1)

Publication Number Publication Date
EP1457580A1 true EP1457580A1 (de) 2004-09-15

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EP04290508A Withdrawn EP1457580A1 (de) 2003-03-12 2004-02-25 Verfahren für die Oxidationskontrolle der Stahlbänder vor der Feurergalvanisierung und Galvanisierunglinie

Country Status (7)

Country Link
US (1) US20040177903A1 (de)
EP (1) EP1457580A1 (de)
KR (1) KR20040080377A (de)
CN (1) CN100554489C (de)
DE (1) DE04290508T1 (de)
ES (1) ES2226608T1 (de)
FR (1) FR2852330B1 (de)

Cited By (2)

* 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
FR2920439A1 (fr) * 2007-09-03 2009-03-06 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

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Publication number Priority date Publication date Assignee Title
DE102004059566B3 (de) * 2004-12-09 2006-08-03 Thyssenkrupp Steel Ag Verfahren zum Schmelztauchbeschichten eines Bandes aus höherfestem Stahl
EP2010690B1 (de) * 2006-04-26 2010-02-24 ThyssenKrupp Steel Europe AG Verfahren zum schmelztauchbeschichten eines stahlflachproduktes aus höherfestem stahl
ES2661551T3 (es) * 2009-05-28 2018-04-02 Bluescope Steel Limited Banda de acero recubierta con metal
DE102011102659A1 (de) * 2011-05-27 2012-11-29 ThermProTEC Asia UG (haftungsbeschränkt) Verfahren und Vorrichtung zum Voroxidieren von Metallbändern
JP6354069B2 (ja) * 2015-06-11 2018-07-11 Ｊｆｅスチール株式会社 溶融金属めっき鋼帯の製造方法および溶融金属めっき鋼帯の製造ライン
WO2017115180A1 (en) * 2015-12-28 2017-07-06 Sabic Global Technologies B.V. Synchronized sink roll
FR3046423B1 (fr) * 2015-12-30 2018-04-13 Fives Stein Dispositif et procede pour realiser une oxydation controlee de bandes metalliques dans un four de traitement en continu
CN112461393B (zh) * 2020-12-04 2021-06-15 中国科学院力学研究所 同轴热电偶瞬态热流传感器氧化式绝缘层加工制作装置
CN113621908A (zh) * 2021-07-06 2021-11-09 无锡苏盛金属制品有限公司 一种热镀金属钢带的制造工艺及方法

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US2197622A (en) * 1937-04-22 1940-04-16 American Rolling Mill Co Process for galvanizing sheet metal
US3925579A (en) * 1974-05-24 1975-12-09 Armco Steel Corp Method of coating low alloy steels
FR2385801A1 (fr) * 1977-04-02 1978-10-27 Aeg Elotherm Gmbh Procede d'echauffement au passage d'une piece a traiter metallique allongee, en particulier pour l'echauffement au passage de tubes d'acier
EP0107991A1 (de) * 1982-10-06 1984-05-09 Fabrique De Fer De Maubeuge Vorrichtung und Verfahren zur Steuerung der Wärmekapazität einer Erwärmungsanlage für ein kontinuierlich sich bewegendes Metallband
US20020162612A1 (en) * 2000-03-08 2002-11-07 Stein Heurtey Preheating of metal strip, especially in galvanizing or annealing lines
EP1285972A1 (de) * 2001-08-21 2003-02-26 Stein Heurtey Feuergalvanisierungsverfahren von hochfesten Stahlbändern

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US3518109A (en) * 1968-01-15 1970-06-30 Inland Steel Co Apparatus and method for controlling thickness of molten metal coating by a moving magnetic field
US4059494A (en) * 1974-11-19 1977-11-22 Sumitomo Aluminum Smelting Co., Ltd. Process for continuous electrolytic coloring of aluminum or aluminum base alloy strip and wire
DE4302698B4 (de) * 1993-02-01 2007-09-27 Sms Demag Ag Verfahren und Vorrichtung zum Führen eines Stahlbandes während seines Durchlaufs durch eine kontinuierliche Behandlungsanlage
AUPM654594A0 (en) * 1994-06-29 1994-07-21 Verson International (Aust) Pty Ltd Method and apparatus to galvanise metal strip

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2197622A (en) * 1937-04-22 1940-04-16 American Rolling Mill Co Process for galvanizing sheet metal
US3925579A (en) * 1974-05-24 1975-12-09 Armco Steel Corp Method of coating low alloy steels
FR2385801A1 (fr) * 1977-04-02 1978-10-27 Aeg Elotherm Gmbh Procede d'echauffement au passage d'une piece a traiter metallique allongee, en particulier pour l'echauffement au passage de tubes d'acier
EP0107991A1 (de) * 1982-10-06 1984-05-09 Fabrique De Fer De Maubeuge Vorrichtung und Verfahren zur Steuerung der Wärmekapazität einer Erwärmungsanlage für ein kontinuierlich sich bewegendes Metallband
US20020162612A1 (en) * 2000-03-08 2002-11-07 Stein Heurtey Preheating of metal strip, especially in galvanizing or annealing lines
EP1285972A1 (de) * 2001-08-21 2003-02-26 Stein Heurtey Feuergalvanisierungsverfahren von hochfesten Stahlbändern

Cited By (5)

* 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
US8465806B2 (en) 2007-05-02 2013-06-18 Tata Steel Ijmuiden B.V. Method for hot dip galvanizing of AHSS or UHSS strip material, and such material
FR2920439A1 (fr) * 2007-09-03 2009-03-06 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
WO2009030823A1 (fr) * 2007-09-03 2009-03-12 Siemens Vai Metals Technologies 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
US8609192B2 (en) 2007-09-03 2013-12-17 Siemens Vai Metals Technologies Sas Method and device for controlling oxidizing-reducing of the surface of a steel strip running continuously through a radiant tubes furnace for its galvanizing

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KR20040080377A (ko) 2004-09-18
FR2852330A1 (fr) 2004-09-17
CN1530458A (zh) 2004-09-22
US20040177903A1 (en) 2004-09-16
CN100554489C (zh) 2009-10-28
ES2226608T1 (es) 2005-04-01
FR2852330B1 (fr) 2007-05-11
DE04290508T1 (de) 2005-03-31

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