EP0862661A2 - Procede et dispositif de production de minces barres metalliques - Google Patents

Procede et dispositif de production de minces barres metalliques

Info

Publication number
EP0862661A2
EP0862661A2 EP96946165A EP96946165A EP0862661A2 EP 0862661 A2 EP0862661 A2 EP 0862661A2 EP 96946165 A EP96946165 A EP 96946165A EP 96946165 A EP96946165 A EP 96946165A EP 0862661 A2 EP0862661 A2 EP 0862661A2
Authority
EP
European Patent Office
Prior art keywords
metal
product
long
temperature
strand
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
EP96946165A
Other languages
German (de)
English (en)
Other versions
EP0862661B1 (fr
Inventor
Fritz-Peter Pleschiutschnigg
Ingo Von Hagen
Markus Ring
Wolfgang Bleck
Tarek El Gammal
Paul Splinter
Peter Lorenz Hamacher
Oliver Richard Picht
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.)
SMS Siemag AG
Original Assignee
Mannesmann AG
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 Mannesmann AG filed Critical Mannesmann AG
Publication of EP0862661A2 publication Critical patent/EP0862661A2/fr
Application granted granted Critical
Publication of EP0862661B1 publication Critical patent/EP0862661B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B21B1/46—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 metal immediately subsequent to continuous casting
    • B21B1/463—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 metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/008—Continuous casting of metals, i.e. casting in indefinite lengths of clad ingots, i.e. the molten metal being cast against a continuous strip forming part of the cast product
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/003—Apparatus
    • C23C2/0035—Means for continuously moving substrate through, into or out of the bath
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/003—Apparatus
    • C23C2/0036—Crucibles
    • C23C2/00361—Crucibles characterised by structures including means for immersing or extracting the substrate through confining wall area
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/003—Apparatus
    • C23C2/0038—Apparatus characterised by the pre-treatment chambers located immediately upstream of the bath or occurring locally before the dipping process
    • 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
    • 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
    • B21B1/38—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 sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
    • B21B2001/383—Cladded or coated products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
    • B21B3/02—Rolling special iron alloys, e.g. stainless steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/14—Guiding, positioning or aligning work
    • B21B39/18—Switches for directing work in metal-rolling mills or trains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B9/00—Measures for carrying out rolling operations under special conditions, e.g. in vacuum or inert atmosphere to prevent oxidation of work; Special measures for removing fumes from rolling mills
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]

Definitions

  • the invention relates to a method for producing thin metal strands, in particular made of steel, in which a long metal product is brought into contact with a molten metal and this is brought to an Strukturnknctaüisi ⁇ r ⁇ n to * " Execution of the method with a metallurgical vessel which has a bottom opening and in which there is a molten metal through which a long metal product can be guided and with rollers for supplying the long metal product and for removing the anchored metal strand 5
  • Thin metal strands of steel are regularly produced as cold rolled strips.About 60% of the cold rolled strip products are currently coated in order to avoid or reduce the corrosion of the steel in particular when it is used.
  • This steel volume in the European Union amounts to approx consists of o hot-dip galvanized and electrolytically galvanized strips In the past few years the production volume of the galvanized strips has increased steadily, especially in the area of application of the automotive industry and the developed and known reserves are assumed 5 The recycling of the zinc requires a separate recording of the galvanized
  • Steel scrap is obtained in advance through the dust phase and enriched, e.g. during melting in the electric furnace
  • EP 031 1602 B1 proposes a method and a device in which an uncooled, cleaned long metal product with low energy potential in contact with a molten metal and this is brought to the installation
  • An economical and metallurgically usable product is achieved in that a metal long product selected with wall thicknesses of 0.1 to 1.4 mm corresponds to a metal strand with an approximately 6 to 10 times according to the maximum permissible contact time in the metal melt
  • Total strand thickness is produced here
  • the strand consists of the metal profile and crystals and melt material deposited on it without phase boundaries from the metal melt
  • the aim of the invention is to use simple means to produce a metal strand from a composite material which has a coating that is as thin and closed as possible and adheres firmly to the carrier profile
  • the invention achieves this goal by the characterizing features of the method claim 1 and the device claim 1 1
  • the layer thickness is set to 20 to 2% of the strand thickness, depending on the material and application.
  • Composite sheets are produced at which one of the materials used is a stainless steel, an austenitic or ferritic steel
  • a metal strip which is the core of the strand, is made from a deep-drawn material with a thickness of 1 to 10 mm.
  • This metal strip is coated on both sides with a coating of austenitic or ferritic stainless steel with a layer thickness that is at least as much What is strong is that reliable corrosion protection is provided under the conditions of use in the automotive industry.
  • Such a composite sheet not only has good welding of both materials, it is also characterized by good material properties and deep-drawing properties and a high level
  • a composite tape When used in the electrical industry, a composite tape is produced which has a ferromagnetic silicon-containing steel as the core and is coated with a paramagnetic material or has a paramagnetic core with a coating made of a ferromagnetic silicon-containing steel
  • the metal profile can be fed to the metal bath at room temperature or preheated
  • the production volume is, for example, a steel strip with a thickness of 3 mm, which is preheated in a furnace with an inert protective gas atmosphere to a temperature of around 870 ° C, placed in an inversion vessel and brought into contact with a stainless steel melt for about 2 seconds
  • the strand, consisting of, is connected to the installation of the melt in the bath on the metal profile
  • Hot strip can either be used directly as a finished hot strip or can be fed directly to a cold rolling mill.
  • a heating furnace for example a continuous annealing furnace, insofar as a strip with a low temperature is supplied, or, if the inversion casting device is preceded by a system in which the long metal product has a higher than the desired temperature, a cooling device is used.
  • the desired temperature can be set by inductively or conductively generated current flow in the metal strip or profile.
  • the thin metal strands produced in this way can be used to replace galvanized steel sheets, aluminum sheets and solid sheets made of stainless steels. Moreover the environmental conditions for body materials are improved and the resources with regard to nickel, chromium and zinc for the production of stainless steels are conserved. Furthermore, the lifespan of technical products, which were previously made from conventional carbon steel, is significantly extended
  • the metal strands produced from high-melting composite materials, rust-free / unalloyed or ferro- / paramagnetic, represent new materials with properties that were previously not technically feasible.
  • applications in transformer construction, in the construction industry in the household appliance industry, in mechanical engineering, etc. are also conceivable
  • the transport protection of the coated tapes is - relative to the regular - easy
  • Figure 1 The diagram of the device for producing thin metal strands
  • Figure 1 shows the diagram of a device for producing thin
  • the strand F leaving the melt S is encased in a housing 13 to which a pump 14 is connected, by means of which gas, preferably nitrogen, is supplied into the interior of the housing 13
  • the long metal product in the present example this is a metal band
  • a long metal product M can be fed via an entry switch 36, which is stored in an upstream storage station 50.
  • This long cold metal product is passed through the temperature device 20 and can, as far as an annealing furnace 21 is in use, before it enters the inversion casting vessel Depending on the specification, the temperatures can be between
  • the current temperature of the metal long product M is supplied to a measuring and control component 25 by temperature sensors 22 and 23, which are arranged at the inlet and outlet of the temperature device.
  • This component 25 is also connected to a temperature sensor 24, which measures the temperature of the melt S
  • a control unit 26 is connected to the measuring and regulating component and is connected to the drives 27 and 28 of the rollers 31 and 32 in terms of control technology
  • a long metal product which was produced in an upstream inversion casting device 40, can also be used.
  • This long metal product M insofar as its temperature is higher than desired, is fed to the temperature device 20, which is designed here as a cow device 29
  • the finished strand F is either fed directly to a finishing plant 70 via a switch 35.
  • a switch 35 There is also the possibility of feeding the roll to the rolling mill 60 in one step via the switch 36 and there, for example, to smooth it in a rolling stand 61 and only then afterwards Finishing system 70 to supply
  • FIG. 2 schematically shows the effect of preheating the long metal product. It can be seen that the immersion time when preheating the long metal product is significantly shorter. However, a shorter immersion time also means a larger production quantity Position list

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Continuous Casting (AREA)
  • Coating With Molten Metal (AREA)
  • Metal Rolling (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Treatment Of Steel In Its Molten State (AREA)

Abstract

Selon ce procédé de production de minces barres métalliques, notamment en acier, un produit allongé métallique est mis en contact avec un métal fondu et provoque sa cristallisation. Les étapes suivantes sont prévues: on utilise un produit allongé métallique en un matériau différent du métal fondu, l'un des matériaux étant un acier inoxydable; la température du produit allongé métallique, la température du métal fondu et le temps de séjour du produit allongé métallique dans le métal fondu sont fixés de sorte que le métal fondu se cristallise sur le produit allongé métallique sur une épaisseur D = 20 % à 2 % du produit allongé métallique. L'invention concerne également un dispositif utile pour produire de minces barres métalliques.
EP96946165A 1995-11-24 1996-11-19 Procede et dispositif de production de bandes metalliques minces Expired - Lifetime EP0862661B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19545259A DE19545259A1 (de) 1995-11-24 1995-11-24 Verfahren und Vorrichtung zum Erzeugen von dünnen Metallsträngen
DE19545259 1995-11-24
PCT/DE1996/002279 WO1997018914A2 (fr) 1995-11-24 1996-11-19 Procede et dispositif de production de minces barres metalliques

Publications (2)

Publication Number Publication Date
EP0862661A2 true EP0862661A2 (fr) 1998-09-09
EP0862661B1 EP0862661B1 (fr) 2002-07-10

Family

ID=7779183

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96946165A Expired - Lifetime EP0862661B1 (fr) 1995-11-24 1996-11-19 Procede et dispositif de production de bandes metalliques minces

Country Status (7)

Country Link
US (1) US6153028A (fr)
EP (1) EP0862661B1 (fr)
AT (1) ATE220428T1 (fr)
DE (2) DE19545259A1 (fr)
ES (1) ES2175188T3 (fr)
WO (1) WO1997018914A2 (fr)
ZA (1) ZA969830B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19731124C1 (de) * 1997-07-19 1999-01-21 Schloemann Siemag Ag Verfahren und Vorrichtung zur Erzeugung von beschichtetem Warm- und Kaltband
US7303578B2 (en) 2001-11-01 2007-12-04 Photothera, Inc. Device and method for providing phototherapy to the brain
US20030109906A1 (en) * 2001-11-01 2003-06-12 Jackson Streeter Low level light therapy for the treatment of stroke
DE10243457B3 (de) * 2002-09-19 2004-04-29 Sms Demag Ag Verfahren zum Herstellen von Flachstahl-Produkten mit hoher Magnetisierungsfähigkeit
US20070036770A1 (en) * 2005-08-12 2007-02-15 Wagner Darrell O Biologic device for regulation of gene expression and method therefor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3779056A (en) * 1971-12-28 1973-12-18 Bethlehem Steel Corp Method of coating steel wire with aluminum
CH616351A5 (fr) * 1976-07-20 1980-03-31 Battelle Memorial Institute
US4861682A (en) * 1985-05-29 1989-08-29 Nippon Steel Corporation Clad steel materials having excellent ductility and corrosion resistance
EP0311602B1 (fr) * 1986-05-27 1991-07-24 MANNESMANN Aktiengesellschaft Procede pour fabriquer des barres metalliques minces
CH675257A5 (fr) * 1988-02-09 1990-09-14 Battelle Memorial Institute
DE19509681C1 (de) * 1995-03-07 1996-05-02 Mannesmann Ag Verfahren und Anlage zur kontinuierlichen Erzeugung bandförmiger Bleche

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9718914A2 *

Also Published As

Publication number Publication date
ATE220428T1 (de) 2002-07-15
WO1997018914A3 (fr) 1997-07-24
ZA969830B (en) 1997-06-23
EP0862661B1 (fr) 2002-07-10
DE19545259A1 (de) 1997-05-28
US6153028A (en) 2000-11-28
DE59609435D1 (de) 2002-08-14
ES2175188T3 (es) 2002-11-16
WO1997018914A2 (fr) 1997-05-29

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