EP2954088B1 - Procédé de revêtement d'une bande métallique par immersion à chaud, en particulier un feuillard d'acier - Google Patents

Procédé de revêtement d'une bande métallique par immersion à chaud, en particulier un feuillard d'acier Download PDF

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Publication number
EP2954088B1
EP2954088B1 EP14700598.7A EP14700598A EP2954088B1 EP 2954088 B1 EP2954088 B1 EP 2954088B1 EP 14700598 A EP14700598 A EP 14700598A EP 2954088 B1 EP2954088 B1 EP 2954088B1
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EP
European Patent Office
Prior art keywords
melt
snout
melting bath
trunk
aluminum
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
EP14700598.7A
Other languages
German (de)
English (en)
Other versions
EP2954088A1 (fr
Inventor
Jegor Bergen
Frank Spelleken
Michael Peters
Manuela Ruthenberg
Friedhelm Macherey
Florian Spelz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ThyssenKrupp Steel Europe AG
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ThyssenKrupp Steel Europe AG
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Publication of EP2954088A1 publication Critical patent/EP2954088A1/fr
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36—Elongated material
    • C23C2/40—Plates; Strips
    • C—CHEMISTRY; METALLURGY
    • 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
    • C21D1/26—Methods of annealing
    • 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
    • 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
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/12—Aluminium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • 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
    • 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
    • C23C28/028—Including graded layers in composition or in physical properties, e.g. density, porosity, grain size
    • 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F17/00—Multi-step processes for surface treatment of metallic material involving at least one process provided for in class C23 and at least one process covered by subclass C21D or C22F or class C25

Definitions

  • Hot dip coating of metal strip is a process known for many years for the surface refinement of sheet steel strip in order to protect it from corrosion.
  • Fig. 3 is a vertical sectional view of a portion of a conventional system for hot dip coating a metal strip 1 is shown.
  • a correspondingly to be refined steel strip (sheet steel strip) is this first cleaned in a continuous furnace 2 and annealed recrystallizing. Subsequently, the strip 1 is melt-dipped by being passed through a molten metal bath 3.
  • the coating material for the band for example, zinc, zinc alloys, pure aluminum or aluminum alloys are used.
  • the inventive method is characterized in that in the area bounded by the trunk, a melt is used, which in their chemical composition specifically different from the chemical composition of the is set in the molten bath melt or is.
  • the invention thus proposes to use in the area bounded by the trunk and in the rest of the molten bath melts of different composition (analysis). In this way, certain desired alloy layer properties can be set very variable and reliable.
  • melt bath vessel 4 instead of a pure aluminum melt, another metallic melt can also be used in the melt bath vessel 4.
  • an aluminum-zinc melt may be used, while in the region defined by the trunk 6, a melt is also used, which is also based on an aluminum-zinc melt, but which additionally added silicon to suppress or reduce the alloy layer is or has been, whereby an improved formability is achieved.

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

Claims (8)

  1. Procédé de revêtement d'une bande métallique par immersion à chaud, en particulier d'un feuillard d'acier (1), dans un bain métallique fondu (3), dans lequel on chauffe le feuillard métallique à revêtir dans un four continu (2) et on l'introduit dans le bain fondu à travers une trompe (6) raccordée au four continu et immergée dans le bain fondu (3), caractérisé en ce que l'on utilise dans la zone limitée par la trompe (6) un bain liquide dont la composition chimique a été ou est réglée de façon appropriée différemment de la composition chimique du bain liquide utilisé dans le bain fondu (3).
  2. Procédé selon la revendication 1, caractérisé en ce que l'on surveille la concentration d'au moins un composant chimique du bain liquide utilisé dans la trompe (6) et on adapte la composition chimique de ce bain liquide à une valeur de consigne de la composition chimique en fonction du résultat de la surveillance.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que l'on utilise comme trompe une trompe prolongée (6, 6.1), qui se termine, par rapport à la surface latérale d'un rouleau de déviation (7) disposé dans le bain fondu (3), qui provoque la déviation du feuillard (1) pénétrant dans le bain fondu (3) au sortir de la trompe (6) dans une direction essentiellement verticale, à une distance (A) comprise dans une plage de 100 mm à 400 mm, de préférence de 100 mm à 300 mm.
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'on utilise comme trompe une trompe (6, 6.1), dont la partie immergée est munie d'un étranglement (6.16, 6.17), et/ou dont la largeur intérieure ou la hauteur intérieure diminue en direction de l'ouverture de sortie (6.15) au moins sur une partie de la longueur.
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'on utilise comme trompe une trompe (6, 6.1) dont la partie immergée est munie d'un dispositif de séparation ou d'étanchéité, qui empêche un mélange du bain liquide se trouvant dans la trompe et du bain liquide se trouvant dans le bain fondu (3).
  6. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'on utilise comme bain liquide dans la zone limitée par la trompe (6) un alliage d'aluminium contenant du silicium, tandis que l'on utilise dans le bain fondu (3) un bain liquide constitué d'aluminium pur.
  7. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'on utilise comme bain liquide dans la zone limitée par la trompe (6) un alliage de zinc-aluminium contenant du silicium, tandis que l'on utilise comme bain liquide dans le bain fondu (3) un alliage de zinc-aluminium avec une teneur en silicium réduite par rapport à celui-ci ou sans silicium.
  8. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'on utilise un alliage de zinc-magnésium comme bain liquide dans le bain fondu (3), tandis que l'on utilise comme bain liquide dans la zone limitée par la trompe (6) un alliage de zinc-magnésium avec une teneur en zinc, en aluminium et/ou en magnésium réduite par rapport à celui-ci.
EP14700598.7A 2013-02-05 2014-01-13 Procédé de revêtement d'une bande métallique par immersion à chaud, en particulier un feuillard d'acier Not-in-force EP2954088B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013101132.2A DE102013101132A1 (de) 2013-02-05 2013-02-05 Verfahren zum Schmelztauchbeschichten von Metallband, insbesondere Stahlband
PCT/EP2014/050474 WO2014121979A1 (fr) 2013-02-05 2014-01-13 Procédé de revêtement d'une bande métallique par immersion à chaud, en particulier un feuillard d'acier

Publications (2)

Publication Number Publication Date
EP2954088A1 EP2954088A1 (fr) 2015-12-16
EP2954088B1 true EP2954088B1 (fr) 2018-06-13

Family

ID=49989701

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14700598.7A Not-in-force EP2954088B1 (fr) 2013-02-05 2014-01-13 Procédé de revêtement d'une bande métallique par immersion à chaud, en particulier un feuillard d'acier

Country Status (5)

Country Link
US (1) US9670573B2 (fr)
EP (1) EP2954088B1 (fr)
DE (1) DE102013101132A1 (fr)
ES (1) ES2686737T3 (fr)
WO (1) WO2014121979A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013101131A1 (de) * 2013-02-05 2014-08-07 Thyssenkrupp Steel Europe Ag Vorrichtung zum Schmelztauchbeschichten von Metallband
DE102015108334B3 (de) 2015-05-27 2016-11-24 Thyssenkrupp Ag Vorrichtung und Verfahren zur verbesserten Metalldampfabsaugung bei einem kontinuierlichen Schmelztauchverfahren
DE102015211489B3 (de) 2015-06-22 2016-06-30 Thyssenkrupp Ag Rolle zur Umlenkung oder Führung eines zu beschichtenden Metallbandes in einem metallischen Schmelzenbad
CN108456825B (zh) * 2018-04-08 2019-12-27 山东四方钢管设备制造有限公司 一种热轧无缝钢管穿孔机用复合导板及其制造方法
DE102018206185A1 (de) 2018-04-23 2019-10-24 Thyssenkrupp Ag Vorrichtung und Verfahren zum Schmelztauchbeschichten eines Metallbandes mit mindestens zwei Schichten

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1574814A (en) 1976-12-17 1980-09-10 Univ Cardiff Hot-dip coating of steel substrates
JPH04236754A (ja) 1991-01-18 1992-08-25 Nippon Steel Corp Ｚｎ−Ａｌ合金めっき鋼線の製造方法
JPH04246158A (ja) 1991-01-29 1992-09-02 Nippon Steel Corp 表面性状および耐食性に優れた合金めっき鋼線の製造方法
JPH0860329A (ja) * 1994-08-11 1996-03-05 Kobe Steel Ltd 合金化溶融亜鉛めっき鋼板の製造方法
JP4236754B2 (ja) 1999-02-19 2009-03-11 株式会社三共 遊技機
DE60335740D1 (de) 2002-12-02 2011-02-24 Sumitomo Rubber Ind Reifen mit anzeigemarkierung für die rotationsdauer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
US9670573B2 (en) 2017-06-06
US20150376758A1 (en) 2015-12-31
DE102013101132A1 (de) 2014-08-07
EP2954088A1 (fr) 2015-12-16
ES2686737T3 (es) 2018-10-19
WO2014121979A1 (fr) 2014-08-14

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