EP2948302A1 - 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

Info

Publication number
EP2948302A1
EP2948302A1 EP13771437.4A EP13771437A EP2948302A1 EP 2948302 A1 EP2948302 A1 EP 2948302A1 EP 13771437 A EP13771437 A EP 13771437A EP 2948302 A1 EP2948302 A1 EP 2948302A1
Authority
EP
European Patent Office
Prior art keywords
steel strip
zinc
coating
rolling
polymer
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.)
Granted
Application number
EP13771437.4A
Other languages
German (de)
English (en)
Other versions
EP2948302B1 (fr
Inventor
Kathleen Stein-Fechner
Tanja Lommel
Hans-Peter Rink
Lutz Thannhäuser
Reiner Sauer
Bernd Hoffmann
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 Rasselstein GmbH
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 RS20180885A priority Critical patent/RS57558B1/sr
Priority to PL13771437T priority patent/PL2948302T3/pl
Publication of EP2948302A1 publication Critical patent/EP2948302A1/fr
Application granted granted Critical
Publication of EP2948302B1 publication Critical patent/EP2948302B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for drawing, e.g. for deep-drawing
    • C21D8/0478—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for drawing, e.g. 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for drawing, e.g. for deep-drawing
    • C21D8/0421—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for drawing, e.g. 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.

Landscapes

  • 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)
  • Coating With Molten Metal (AREA)
  • Electroplating Methods And Accessories (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.
EP13771437.4A 2013-01-25 2013-09-25 Procédé de fabrication de tôle zinguée fine ou extra fine à haute résistance à la corrosion Not-in-force EP2948302B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
RS20180885A RS57558B1 (sr) 2013-01-25 2013-09-25 Postupak za proizvodnju pocinkovanih finih ili ultrafinih limova visoke otpornosti na koroziju
PL13771437T PL2948302T3 (pl) 2013-01-25 2013-09-25 Sposób wytwarzania cynkowanej blachy cienkiej lub bardzo cienkiej o wysokiej odporności na korozję

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
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

Publications (2)

Publication Number Publication Date
EP2948302A1 true EP2948302A1 (fr) 2015-12-02
EP2948302B1 EP2948302B1 (fr) 2018-05-16

Family

ID=49301458

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13771437.4A Not-in-force EP2948302B1 (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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN114080468A (zh) * 2019-07-09 2022-02-22 蒂森克虏伯钢铁欧洲股份公司 一种金属板产品的生产方法及金属板产品

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014017492A1 (de) * 2014-11-27 2016-06-02 Thyssenkrupp Ag Halbzeug, Verfahren zum Herstellen eines Halbzeugs sowie dessen Verwendung
MX2019001647A (es) * 2016-08-10 2019-07-01 Swimc Llc Mejora del rendimiento de la acumulación de borde y la formación de burbujas de borde de los revestimientos de bobina.
WO2020182538A1 (fr) * 2019-03-14 2020-09-17 Tata Steel Ijmuiden B.V. Produit d'acier stratifié
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
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
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
CN115725938A (zh) * 2022-11-25 2023-03-03 江苏华久辐条制造有限公司 一种强耐腐蚀防锈的自行车辐条

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2303330B (en) * 1995-07-21 1999-09-08 British Steel Plc Improvements in and relating to laminated tin mill products and methods of producing the same
DE19730893C1 (de) * 1997-05-02 1998-07-23 Rasselstein Hoesch Gmbh Verfahren und Vorrichtung zur Kunststoffbeschichtung von Metallband mittels Direkt-Extrusion
DE10130005B4 (de) * 2001-06-25 2004-12-23 Rasselstein Gmbh Verfahren zur Beschichtung der Oberfläche eines Metallbandes mit einem Kunststoffilm und Verwendung eines nach dem Verfahren hergestellten Laminats
JP4256721B2 (ja) * 2003-05-21 2009-04-22 新日本製鐵株式会社 シルバーメタリック調意匠性めっき鋼板の製造方法
JP6227410B2 (ja) * 2010-08-30 2017-11-08 エイケイ・スチール・プロパティーズ・インコーポレイテッドＡＫ Ｓｔｅｅｌ Ｐｒｏｐｅｒｔｉｅｓ， Ｉｎｃ． 磨かれたステンレス鋼様仕上げを有するテクスチャのある炭素鋼を製造するプロセス

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2014114370A1 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114080468A (zh) * 2019-07-09 2022-02-22 蒂森克虏伯钢铁欧洲股份公司 一种金属板产品的生产方法及金属板产品
CN114080468B (zh) * 2019-07-09 2024-03-15 蒂森克虏伯钢铁欧洲股份公司 一种金属板产品的生产方法及金属板产品
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

Also Published As

Publication number Publication date
EP2948302B1 (fr) 2018-05-16
TR201809605T4 (tr) 2018-07-23
RS57558B1 (sr) 2018-10-31
CA2916430C (fr) 2019-04-23
PT2948302T (pt) 2018-07-09
PL2948302T3 (pl) 2018-10-31
ES2675587T3 (es) 2018-07-11
CA2916430A1 (fr) 2014-07-31
WO2014114370A1 (fr) 2014-07-31
DE102013100730B3 (de) 2014-06-05

Similar Documents

Publication Publication Date Title
EP2948302B1 (fr) Procédé de fabrication de tôle zinguée fine ou extra fine à haute résistance à la corrosion
DE102013109801B4 (de) Mit einer Polymerbeschichtung beschichtetes Weißblech und Verfahren zu dessen Herstellung
EP3215656B1 (fr) Procédé de production d'un revêtement anti-corrosion pour tôles d'acier trempables et revêtement anti-corrosion pour tôles d'acier trempables
WO2012085248A2 (fr) Procédé de formage et de durcissement de tôles d'acier revêtues
DD277048A5 (de) Verfahren und vorrichtung zur herstellung von schichtstoffen
EP2826569B1 (fr) Procédé de passivation de tôle noire en forme de bande
EP2955238B1 (fr) Procédé de fabrication d'un acier aluminé pour emballage
EP2045360A1 (fr) Procédé de fabrication d'un composant en acier par façonnage à chaud et composant en acier fabriqué par façonnage à chaud
EP2794935B1 (fr) Couvercle à ouverture facile et procédé pour la fabrication d'une couvercle à ouverture facile
DE102015202642A1 (de) Verfahren zum Herstellen eines Erzeugnisses aus gewalztem Bandmaterial
EP2802688A2 (fr) Procédé de passivation de fer blanc
EP3149224A1 (fr) Procédé de fabrication d'une structure sandwich, structure sandwich fabriquée par ledit procédé, et utilisation de ladite structure
WO2015185072A2 (fr) Tôle en acier composite
EP3133187B1 (fr) Procede de traitement thermique d'une tole noire revetue d'une couche de conversion
DE3925141C2 (de) Verfahren zur Herstellung von Gegenständen, insbesondere Dosen aus oberflächenbehandeltem Stahlblech
DE102017108403B4 (de) Verfahren zum Beschichten eines Stahlbands
US20230023925A1 (en) Method for manufacturing laminated tinplate, a laminated tinplate produced thereby and use thereof
EP3583239A1 (fr) Procédé de fabrication de tôles d'acier, tôle d'acier et son utilisation
EP0490949B1 (fr) Composites de metal-plastique, leur procede de fabrication et leur utilisation
EP3434807A1 (fr) Tôle d'acier pourvue d'une couche de conversion, procédé de fabrication d'un tôle d'acier revêtue de la couche de conversion et milieu de traitement destiné à l'application d'une couche de conversion sur un tôle d'acier
WO2018153755A1 (fr) Procédé de revêtement de tôles d'acier ou de bandes d'acier et procédé de fabrication d'éléments trempés à la presse à partir desdites tôles ou bandes
JP5673389B2 (ja) 酸性飲料用３ピースリシール缶
DE2922789A1 (de) Beschichteter stahl
EP2684688B1 (fr) Procédé de fabrication d'un substrat revêtu d'un polymère pour applications d'emballage et substrat revêtu d'un polymère ainsi obtenu
DE2120195A1 (de) Verfahren zum Aufbringen von Überzügen aus polymeren organischen Stoffen auf Stahl

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: 20150825

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAX Request for extension of the european patent (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20180216

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): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM 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

Ref country code: CH

Ref legal event code: NV

Representative=s name: LUCHS AND PARTNER AG PATENTANWAELTE, CH

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502013010165

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 999167

Country of ref document: AT

Kind code of ref document: T

Effective date: 20180615

REG Reference to a national code

Ref country code: PT

Ref legal event code: SC4A

Ref document number: 2948302

Country of ref document: PT

Date of ref document: 20180709

Kind code of ref document: T

Free format text: AVAILABILITY OF NATIONAL TRANSLATION

Effective date: 20180703

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2675587

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20180711

REG Reference to a national code

Ref country code: NL

Ref legal event code: FP

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 6

REG Reference to a national code

Ref country code: NO

Ref legal event code: T2

Effective date: 20180516

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180516

Ref country code: FI

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: 20180516

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: 20180516

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

Ref country code: NO

Payment date: 20180920

Year of fee payment: 6

Ref country code: IT

Payment date: 20180921

Year of fee payment: 6

Ref country code: LU

Payment date: 20180920

Year of fee payment: 6

Ref country code: FR

Payment date: 20180921

Year of fee payment: 6

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

Ref country code: HR

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: 20180516

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: 20180516

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

Ref country code: NL

Payment date: 20180920

Year of fee payment: 6

Ref country code: PL

Payment date: 20180917

Year of fee payment: 6

Ref country code: BE

Payment date: 20180920

Year of fee payment: 6

Ref country code: GR

Payment date: 20180924

Year of fee payment: 6

Ref country code: GB

Payment date: 20180924

Year of fee payment: 6

Ref country code: CH

Payment date: 20180924

Year of fee payment: 6

Ref country code: AT

Payment date: 20180918

Year of fee payment: 6

Ref country code: RS

Payment date: 20180912

Year of fee payment: 6

Ref country code: BG

Payment date: 20180921

Year of fee payment: 6

Ref country code: TR

Payment date: 20180917

Year of fee payment: 6

REG Reference to a national code

Ref country code: SK

Ref legal event code: T3

Ref document number: E 28125

Country of ref document: SK

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

Ref country code: PT

Payment date: 20180912

Year of fee payment: 6

REG Reference to a national code

Ref country code: GR

Ref legal event code: EP

Ref document number: 20180402046

Country of ref document: GR

Effective date: 20190109

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: 20180516

Ref country code: CZ

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: 20180516

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: 20180516

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: 20180516

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

Ref country code: DE

Payment date: 20181115

Year of fee payment: 6

Ref country code: SK

Payment date: 20180912

Year of fee payment: 6

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502013010165

Country of ref document: DE

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

Ref country code: SM

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: 20180516

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

Ref country code: ES

Payment date: 20181024

Year of fee payment: 6

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: 20190219

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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180516

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: 20180516

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

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

Ref country code: IE

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

Effective date: 20180925

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

Ref country code: AL

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: 20180516

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: 20180516

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502013010165

Country of ref document: DE

REG Reference to a national code

Ref country code: NO

Ref legal event code: MMEP

REG Reference to a national code

Ref country code: NL

Ref legal event code: MM

Effective date: 20191001

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: SK

Ref legal event code: MM4A

Ref document number: E 28125

Country of ref document: SK

Effective date: 20190925

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

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: 20180516

Ref country code: MK

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

Effective date: 20180516

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; INVALID AB INITIO

Effective date: 20130925

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

Ref country code: NO

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

Effective date: 20190930

Ref country code: DE

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

Effective date: 20200401

Ref country code: LI

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

Effective date: 20190930

Ref country code: GR

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

Effective date: 20200416

Ref country code: CH

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

Effective date: 20190930

Ref country code: PT

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

Effective date: 20200428

Ref country code: RS

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

Effective date: 20190925

Ref country code: NL

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

Effective date: 20191001

Ref country code: LU

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

Effective date: 20190925

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: 20180916

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20190930

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 999167

Country of ref document: AT

Kind code of ref document: T

Effective date: 20190925

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

Ref country code: IT

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

Effective date: 20190925

Ref country code: SK

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

Effective date: 20190925

Ref country code: BG

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

Effective date: 20200531

Ref country code: BE

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

Effective date: 20190930

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

Effective date: 20190925

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: 20190930

Ref country code: GB

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

Effective date: 20190925

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

Ref country code: AT

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

Effective date: 20190925

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20210129

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: 20190926

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: 20190925

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: 20190925