WO2014114370A1 - Procédé de fabrication de tôle zinguée fine ou extra fine à haute résistance à la corrosion - Google Patents

Procédé de fabrication de tôle zinguée fine ou extra fine à haute résistance à la corrosion Download PDF

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Publication number
WO2014114370A1
WO2014114370A1 PCT/EP2013/069956 EP2013069956W WO2014114370A1 WO 2014114370 A1 WO2014114370 A1 WO 2014114370A1 EP 2013069956 W EP2013069956 W EP 2013069956W WO 2014114370 A1 WO2014114370 A1 WO 2014114370A1
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WO
WIPO (PCT)
Prior art keywords
steel strip
zinc
coating
rolling
polymer
Prior art date
Application number
PCT/EP2013/069956
Other languages
German (de)
English (en)
Inventor
Kathleen Stein-Fechner
Tanja Lommel
Hans-Peter Rink
Lutz Thannhäuser
Reiner Sauer
Bernd Hoffmann
Original Assignee
Thyssenkrupp Rasselstein Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thyssenkrupp Rasselstein Gmbh filed Critical Thyssenkrupp Rasselstein Gmbh
Priority to ES13771437.4T priority Critical patent/ES2675587T3/es
Priority to CA2916430A priority patent/CA2916430C/fr
Priority to EP13771437.4A priority patent/EP2948302B1/fr
Priority to PL13771437T priority patent/PL2948302T3/pl
Priority to RS20180885A priority patent/RS57558B1/sr
Publication of WO2014114370A1 publication Critical patent/WO2014114370A1/fr

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Classifications

    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B2001/228—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length skin pass rolling or temper rolling
    • 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
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • 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
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold rolling
    • 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
    • C21D8/0421—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 characterised by the working steps
    • C21D8/0442—Flattening; Dressing; Flexing

Definitions

  • the invention relates to a method for producing galvanized fine or very fine sheet with high corrosion resistance from a hot-rolled steel strip with the method steps specified in claim 1.
  • the invention further relates to an apparatus for carrying out this method.
  • Cans for storing and preserving food are made of a steel sheet provided with a metallic anticorrosion layer, for example, tinplate, ECCS (electrolytic chromium coated steel) or galvanized steel sheet.
  • the cans are usually provided with a plastic coating.
  • the surface of the steel sheet provided with the metallic corrosion protection layer is painted with an organic lacquer or coated with a polymer coating.
  • the paints and polymers used are plastics based on polyester, epoxy resins or organosols.
  • Epoxy resins prove to be harmful to health and the environment, as they (at least in small quantities) have hazardous substances such as bisphenol-A (BPA) and can, especially in contact with acidic foods, in the canned contents.
  • BPA bisphenol-A
  • the paints commonly used in the processing require the use of solvents, which may also be umum and health hazard. It has therefore already been proposed in the prior art to provide steel sheets coated with a corrosion protection layer, such as tinplate, ECCS or galvanized sheet, with a plastic coating of a thermoplastic material on one or both sides by laminating a polymer film.
  • WO 97/03823 -A corrosion-resistant steel sheet which has a metallic corrosion protection layer and one or both sides with a transparent polymer film of polyethylene terephthalate (PET) or polypropylene (PP) is coated by a polymer film on the metallic Corrosion protection layer is laminated.
  • PET polyethylene terephthalate
  • PP polypropylene
  • an adhesion promoter in particular an adhesive layer, is provided between the metallic corrosion protection layer of the steel sheet and the laminated polymer film.
  • a galvanically coated with a metallic corrosion protection layer and passivated steel sheet with a thickness between 0.05 mm and 0.5 mm is used and heated to temperatures of about 160 ° C.
  • a polymer film of polyethylene terephthalate (PET) or polypropylene (PP) is laminated by means of rotating rollers.
  • the thickness of the laminated polymer film is between 5 and 100 ⁇ .
  • the polymer film preferably has on one side an adhesive layer which has a lower melting point than the polymer material of the polymer film.
  • the polymer film is laminated with the adhesive layer down on the surface of the metallic corrosion protection layer of the steel sheet, wherein the steel sheet is heated to temperatures of about 160 ° C before the lamination of the polymer film.
  • the invention has for its object to provide a method and apparatus for producing a galvanized fine or fines sheet with the highest possible corrosion resistance, with the without the use of solvents or bisphenol A-containing plastics a protective layer on the zinc-coated surface of the steel strip without use an adhesion promoter or a conversion coating can still be applied with good adhesion.
  • This object is achieved by the method having the features of claim 1 and by the device having the features of claim 17. Preferred embodiments of the method are given in the dependent claims.
  • a hot-rolled fine or very fine steel sheet is first cold-rolled to a thickness of less than 1 mm and then recrystallized-annealed in order to restore the ductility of the cold-rolled steel.
  • the steel strip is galvanically coated with zinc, wherein the support of the zinc coating is preferably less than 15g / m 2 .
  • the galvanic coating of the steel strip with zinc according to the invention, skin pass rolling or gloss coating of the zinc-coated surface of the steel strip takes place. It has surprisingly been found that small zinc buds can be leveled on the zinc surface by the temper rolling and disturbing zinc oxides can be removed or evenly distributed over the strip surface.
  • a shiny surface of the zinc coating is produced by the temper rolling, which is particularly important for the intended use of the sheets according to the invention for the production of packaging in the food sector, since there a high brilliance of the surface of the packaging material is desired.
  • skin pass rolling produces a finely textured surface of the zinc layer having a uniform texture, which has good wettability of paints and excellent adhesion to polymer coatings, particularly of PET or PP.
  • a slight reduction in thickness occurs with a degree of skin pass of 0.5-2%.
  • one or both sides of a polymer coating or an organic paint is applied to the zinc-coated surface of the steel strip.
  • a polymer film for example a PET or PP film
  • the zinc-coated steel strip is expediently heated to temperatures above the melting temperature of the polymer material and the polymer film is laminated to the zinc-coated surface of the steel strip by means of lamination rollers. Due to the good adhesion of the temper rolled zinc surface can be dispensed with the use of an adhesion promoter and in particular an additional adhesive layer between the zinc surface and the polymer film. Also on a previous passivation or conversion coating of Zinc surface can be omitted. This simplifies and speeds up the process management considerably.
  • the sheet produced according to the invention is free of solvents and chromium and free of bisphenol A (BPA), since the preferably used polymer materials PET and PP contain no BPA and can be processed without the use of solvents and the metallic corrosion protection layer of the steel strip itself is chromium-free and not chromium-containing aftertreatment agents must be passivated.
  • BPA bisphenol A
  • the temper rolling is carried out in a Nachwalz intimid in which the thickness of the steel strip is reduced to Nachwalzgrade 4-45%.
  • the treated steel strip also has a good elongation at break of 1-40% and in particular of 5-25%.
  • the process according to the invention can be carried out in strip galvanizing plants, wherein the steel strip is moved through the coating plant at a speed of more than 200 m / min and preferably of more than 500 m / min. The temper rolling and the laminating of the polymer coating also takes place at these belt speeds.
  • the fine or ultra-fine sheet produced according to the invention is outstandingly suitable for the production of packaging, in particular for foodstuffs or of parts for such packaging as, for example, flap bands, valve plates, can lids or lid rings.
  • the sheets produced according to the invention are characterized by a high brilliance of the finished surface, a very good adhesion of the polymer coating or the organic lacquer on the zinc-coated surface of the steel strip and by a very high corrosion resistance.
  • the fine structure of the zinc coating produced by the temper rolling of the zinc-coated surface minimizes the tendency of the zinc surface to oxidize, and for the zinc-coated steel strip to be coated or coated with an organic lacquer prior to its coating with the polymer coating or coating.
  • the starting material for the process according to the invention is a hot-rolled and unalloyed or low-alloy steel strip with a low carbon content of, for example, 20 to 900 ppm.
  • the alloy components of the steel suitably meet the requirements of the international standard ASTM A 623-11 (Standard Specification for Tin Mill Products), whereby a use of the sheets produced according to the invention for the production of food packaging is ensured.
  • ASTM A 623-11 Standard Specification for Tin Mill Products
  • all steel grades which have a composition suitable for the production of fine or superfine sheets can be used for the method according to the invention.
  • the hot-rolled steel strip is first pickled in a (not shown) pickling plant, then rinsed and dried and then cold-rolled in a cold rolling device 6.
  • the steel strip 1 is moved as an endless belt by a transport device 7 with a transport speed of preferably more than 200 m / min and up to 750 m / min through the cold rolling device 6 and there to a thickness of less than 1.0 mm (sheet ) and preferably rolled to thicknesses of 0.1 to 0.5 mm (Feinstblech).
  • the cold rolling device 6 is expediently a Kaltwalztandemstrasse with scaffolds, each carrying four superposed rollers, depending on a large support roller outside and two smaller work rolls inside, between which the steel strip with the Passes through transport speed.
  • the roll gap is lubricated with a lubricant, for example. Oil, and the steel strip and the rollers are cooled with water.
  • the steel strip 1 - as shown schematically in Figure 1 - first passed through a continuous annealing furnace 3, in which the steel strip is heated to temperatures of 550 ° C to 700 ° C to recrystallizing the steel strip to anneal.
  • the recrystallizing annealing reestablishes the formability of the cold rolled steel strip.
  • the steel strip may be dressed or regrooved in a post-mill 9, if required to achieve a smaller thickness.
  • the strip coating plant 2 shown schematically in FIG. 1 is a strip galvanizing plant for the electrolytic galvanizing of sheet steel.
  • This comprises a pretreatment device 10, in which the cold-rolled fine or very fine sheet is degreased, pickled and rinsed, and a coating device 11, in which it is then galvanically coated with zinc.
  • the moving with the belt speed through the belt coater 2 steel strip 1 is passed through a zinc-containing electrolyte and connected there as a cathode and passed between two rows of zinc anodes.
  • the zinc of the anodes is dissolved and deposited on the steel strip as a zinc coating.
  • the zinc can be applied in any thickness and, if necessary, on both sides of the steel strip.
  • the thickness of the applied tin layer is regularly between 1.0 g / m 2 and 15 g / m 2 .
  • the strip coater 2 is followed in the strip running direction by a melting device 12, in which the zinc coating deposited on the steel strip is heated to temperatures above the melting temperature of the zinc (419.5 ° C.) in order to melt the deposited coating. Melting produces a glossy surface of the zinc coating and increases the corrosion resistance of the galvanized steel strip.
  • the melting device 12 is adjoined by a cooling device 13, in which the molten zinc coating is quenched at a high cooling rate.
  • the cooled and coated with zinc steel strip 1 is then trained in a rolling device 5.
  • the rolling device 5 has for this purpose at least one pair of temper rolling 5 a, which form a gap through which the zinc-coated steel strip is performed at the transport speed.
  • the temper rolling 5 a practice while expedient in the range of 500 t rolling force on the steel strip 1 from. Due to the pressure of the temper rolling rollers 5a on the steel strip, a temper rolling of the zinc-coated surface of the steel strip 1 takes place. In this temper rolling step, skin passages of 0.1 to 2.0% are achieved.
  • the temper rolling rollers 5a are smooth, in particular finely ground or polished hard-surface rolls, which are expediently cooled and optionally moistened with water or steam or other wet-coating agents.
  • the surface of the temper rolling rollers 5a may be provided with a fine structure by sandblasting, which is capable of giving the substrate a desired roughness or texturing.
  • temper rolling is to densify and level the surface of the zinc coating.
  • the applied zinc layer can be positively influenced by the coating step, both in terms of their brilliance and in terms of corrosion resistance and the tendency to oxidation.
  • surface-occurring zinc “buds” are leveled by temper rolling, and it has surprisingly been found that any occurring zinc oxide is sufficiently removed from the galvanized surface, thereby providing a high gloss surface which is particularly desirable in the packaging field
  • the structuring of the zinc surface is very fine after temper rolling and does not affect the gloss, but provides a good primer for the later to be applied organic layers, such as coatings or polymer coatings.
  • the planarized and structured surface slows down the formation of zinc oxides.
  • the galvanized steel strip 1 can optionally be rolled by further pairs of rolls of the rolling device 5, in order to further reduce the thickness of the cold rolled steel strip 1, if necessary.
  • This optional rolling step is a cold rolling step which is performed before skin pass rolling and which achieves re-rolling levels of up to 50%, preferably 4-45%.
  • the temper rolled steel strip 1 is then guided at the belt speed in a plastic coating device 8. There, a polymer coating is applied to one or both sides of the galvanized steel strip.
  • the steel strip is first heated in a heating device 4, which may be formed, for example, as induction heating or as infrared or microwave heating, to temperatures which are above the melting temperature of the polymer material of the polymer coating.
  • the polymer material is preferably PET (having a melting point of approximately between 235 and 260 ° C., depending on the degree of crystallization and the degree of polymerization) or PP (having a melting temperature of approximately 160 ° C.) or else PE (having a melting temperature from approx. 130 - 145 ° C). It may also be a film of a polymer laminate consisting of polyethylene terephthalate and polypropylene.
  • the heated steel strip is supplied in the plastic coating device 8 on one or both sides of a film 16 of the polymer material (PET or PP film) and pressed by means of laminating rollers 8a to the surface of the zinc coating. Due to the temperature of the heated steel strip, at least the part of the polymer film 16 resting against the surface of the zinc coating thereby melts and thereby adheres to the surface of the zinc coating which is finely structured by the temper rolling.
  • PET polymer material
  • the polymer coating is expediently melted (completely) and then melted in a cooling device 15 (for example a water bath). quenched to a temperature below the glass transition point. As a result, an amorphous structure is formed in the polyethylene terephthalate or a minimum crystalline structure in the polypropylene.
  • the melting of the polymer coating is carried out particularly expediently as described in the patent DE 10130005 B4, or - as shown in Figure 1 - by a further heating of the steel strip to temperatures above the melting point of the polymer material used in a reflow device 14.
  • the quenching in the cooling device 15 can be done, for example, by air cooling or by immersing the steel strip in a tank of cooling liquid.
  • the coated steel strip 1 is wound up by the transport device 7 onto a roll.
  • the steel strips produced according to the invention are distinguished by high corrosion resistance, which is achieved by the metallic corrosion protection layer made of zinc and the polymer coating.
  • the combination of these anticorrosive layers is particularly advantageous because even with any pores in the polymer coating, the underlying zinc layer still provides sufficient (electrochemical) corrosion protection.
  • the cut edges not covered by the polymer coating are protected from corrosion by the long-distance protective action of the zinc coating.
  • the steel strips produced according to the invention are further distinguished by a very good adhesion of the polymer coating to the zinc layer, which is achieved even without adhesion promoters or additional adhesive layers by the temper rolling of the surface of the zinc coating. Due to the surface properties of the zinc coating after the skin pass rolling can be dispensed with a usual passivation or a conversion coating after galvanizing the steel strip.
  • the steel strips produced according to the invention are suitable for the production of packaging containers, in particular for food, such as, for example, two-part cans (deep-drawn and stretched, DWI cans). It is also possible to manufacture parts of such packaging containers from the steel strips produced according to the invention, such as flap bands, valve plates, can covers and cover rings.
  • the inventive method can also be used for the production of steel sheets for use in other areas, such as for the production of sheets for the construction sector.
  • the invention is not limited to the embodiment described.
  • the Nachwalzöne in the Nachwalztechnik 9 or with the other pairs of rollers of the rolling device 5 can be omitted.
  • the polymer coating may also be applied to the zinc coating by other than laminating methods.
  • a molten polymer material can be applied to the zinc coating, as described in the patent DE 197 30 893 C1.
  • an additional corrosion barrier can also be applied to the steel strip by coating the zinc-coated and tempered surface with an organic lacquer on one or both sides.
  • lacquers e.g.
  • Phenolic resin coatings such as epoxy varnish (gold lake), polyester coatings and acrylic resin coatings such as white paint based on polyacrylates or polyesters, as well as PVC and Epoxianhydrid lacquer proven. Preference is given to using BPA-free and solvent-free (water-based) lacquers.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Laminated Bodies (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Coating With Molten Metal (AREA)

Abstract

L'invention concerne un procédé de fabrication de tôle zinguée fine ou extra fine à haute résistance à la corrosion à partir d'une bande d'acier laminée à chaud, comprenant les étapes suivantes : - revêtement galvanique de la bande d'acier (1) avec du zinc, - dressage par laminage de la surface de la bande d'acier (1) zinguée, - application d'une couche polymère ou d'un vernis organique sur un ou les deux côtés de la surface zinguée de la bande d'acier (1). L'invention concerne en outre un dispositif, destiné à mettre en œuvre le procédé, qui comporte un système (7) de transport en continu d'une bande d'acier sans fin (1), un système (6) de laminage à froid de la bande d'acier (1) déplacée à une épaisseur inférieure à 1 mm, un système (11) de revêtement galvanique de la bande d'acier (1) avec du zinc, un système de laminage (5) équipé de rouleaux de dressage (5a) servant à dresser la surface zinguée de la bande d'acier (1), un système (4) de chauffage de la bande d'acier (1) et un système de revêtement plastique (8) servant à appliquer un revêtement polymère ou un vernis organique sur un ou les deux côtés de la surface de la bande d'acier (1) zinguée.
PCT/EP2013/069956 2013-01-25 2013-09-25 Procédé de fabrication de tôle zinguée fine ou extra fine à haute résistance à la corrosion WO2014114370A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ES13771437.4T ES2675587T3 (es) 2013-01-25 2013-09-25 Procedimiento para la fabricación de chapa fina o extrafina galvanizada con alta estabilidad frente a la corrosión
CA2916430A CA2916430C (fr) 2013-01-25 2013-09-25 Procede de fabrication de tole zinguee fine ou extra fine a haute resistance a la corrosion
EP13771437.4A EP2948302B1 (fr) 2013-01-25 2013-09-25 Procédé de fabrication de tôle zinguée fine ou extra fine à haute résistance à la corrosion
PL13771437T PL2948302T3 (pl) 2013-01-25 2013-09-25 Sposób wytwarzania cynkowanej blachy cienkiej lub bardzo cienkiej o wysokiej odporności na korozję
RS20180885A RS57558B1 (sr) 2013-01-25 2013-09-25 Postupak za proizvodnju pocinkovanih finih ili ultrafinih limova visoke otpornosti na koroziju

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013100730.9A DE102013100730B3 (de) 2013-01-25 2013-01-25 Verfahren und Vorrichtung zum Herstellen von verzinktem Fein- oder Feinstblech mit hoher Korrosionsbeständigkeit sowie Verwendung des verzinkten Fein- oder Feinstblechs
DE102013100730.9 2013-01-25

Publications (1)

Publication Number Publication Date
WO2014114370A1 true WO2014114370A1 (fr) 2014-07-31

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PCT/EP2013/069956 WO2014114370A1 (fr) 2013-01-25 2013-09-25 Procédé de fabrication de tôle zinguée fine ou extra fine à haute résistance à la corrosion

Country Status (9)

Country Link
EP (1) EP2948302B1 (fr)
CA (1) CA2916430C (fr)
DE (1) DE102013100730B3 (fr)
ES (1) ES2675587T3 (fr)
PL (1) PL2948302T3 (fr)
PT (1) PT2948302T (fr)
RS (1) RS57558B1 (fr)
TR (1) TR201809605T4 (fr)
WO (1) WO2014114370A1 (fr)

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WO2016083083A1 (fr) * 2014-11-27 2016-06-02 Thyssenkrupp Steel Europe Ag Produit semi-fini, procédé de production d'un produit semi-fini et son utilisation
CN110318013A (zh) * 2019-07-19 2019-10-11 首钢京唐钢铁联合有限责任公司 一种热镀锌带钢的生产方法
WO2020182538A1 (fr) 2019-03-14 2020-09-17 Tata Steel Ijmuiden B.V. Produit d'acier stratifié
CN113106368A (zh) * 2020-12-31 2021-07-13 鞍钢冷轧钢板（莆田）有限公司 一种热镀锌板生产方法
DE102021121303A1 (de) 2021-08-17 2023-02-23 Thyssenkrupp Steel Europe Ag Verfahren zum Herstellen einer lasertexturierten Dressierwalze, Verfahren zum Dressieren eines Stahlblechs und entsprechend dressiertes Stahlblech

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CN109863090A (zh) * 2016-08-10 2019-06-07 宣伟投资管理有限公司 改善卷材涂层的边缘堆积和边缘起泡性能
DE102019118578A1 (de) * 2019-07-09 2021-01-14 Thyssenkrupp Steel Europe Ag Verfahren zum Herstellen eines Blechproduktes und Blechprodukt
CN110396686B (zh) * 2019-07-25 2022-05-20 首钢集团有限公司 一种提高钝化膜镀层钢耐腐蚀性能的方法
DE102020200326A1 (de) * 2020-01-13 2021-07-15 Thyssenkrupp Steel Europe Ag Verfahren zur Herstellung eines oberflächenveredelten und oberflächenkonditionierten Stahlblechs
DE102021200229A1 (de) 2021-01-13 2022-07-14 Thyssenkrupp Steel Europe Ag Verfahren zur Herstellung eines elektrolytisch beschichteten Stahlblechs

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WO2016083083A1 (fr) * 2014-11-27 2016-06-02 Thyssenkrupp Steel Europe Ag Produit semi-fini, procédé de production d'un produit semi-fini et son utilisation
CN107000380A (zh) * 2014-11-27 2017-08-01 蒂森克虏伯钢铁欧洲股份公司 半成品、半成品的制造方法及其用途
US10315389B2 (en) 2014-11-27 2019-06-11 Thyssenkrupp Steel Europe Ag Semi-finished product, method for producing a semi-finished product and use thereof
WO2020182538A1 (fr) 2019-03-14 2020-09-17 Tata Steel Ijmuiden B.V. Produit d'acier stratifié
CN110318013A (zh) * 2019-07-19 2019-10-11 首钢京唐钢铁联合有限责任公司 一种热镀锌带钢的生产方法
CN110318013B (zh) * 2019-07-19 2021-07-09 首钢京唐钢铁联合有限责任公司 一种热镀锌带钢的生产方法
CN113106368A (zh) * 2020-12-31 2021-07-13 鞍钢冷轧钢板（莆田）有限公司 一种热镀锌板生产方法
DE102021121303A1 (de) 2021-08-17 2023-02-23 Thyssenkrupp Steel Europe Ag Verfahren zum Herstellen einer lasertexturierten Dressierwalze, Verfahren zum Dressieren eines Stahlblechs und entsprechend dressiertes Stahlblech
WO2023020875A1 (fr) 2021-08-17 2023-02-23 Thyssenkrupp Steel Europe Ag Procédé de fabrication d'un cylindre de dressage texturé par laser, procédé de dressage d'une tôle d'acier et tôle d'acier dressée de manière correspondante

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EP2948302B1 (fr) 2018-05-16
CA2916430A1 (fr) 2014-07-31
PL2948302T3 (pl) 2018-10-31
ES2675587T3 (es) 2018-07-11
DE102013100730B3 (de) 2014-06-05
PT2948302T (pt) 2018-07-09
CA2916430C (fr) 2019-04-23
EP2948302A1 (fr) 2015-12-02
RS57558B1 (sr) 2018-10-31

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