EP1327692A2 - Procédé pour la fabrication d'un produit en acier et produit obtenu - Google Patents

Procédé pour la fabrication d'un produit en acier et produit obtenu Download PDF

Info

Publication number
EP1327692A2
EP1327692A2 EP02028379A EP02028379A EP1327692A2 EP 1327692 A2 EP1327692 A2 EP 1327692A2 EP 02028379 A EP02028379 A EP 02028379A EP 02028379 A EP02028379 A EP 02028379A EP 1327692 A2 EP1327692 A2 EP 1327692A2
Authority
EP
European Patent Office
Prior art keywords
phase
steel
product
properties
different
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
EP02028379A
Other languages
German (de)
English (en)
Other versions
EP1327692B1 (fr
EP1327692A3 (fr
Inventor
Karl-Heinz Hower
Joachim Dr. Kroos
Karl-Heinz Spitzer
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.)
Salzgitter Flachstahl GmbH
Original Assignee
Salzgitter Flachstahl 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 Salzgitter Flachstahl GmbH filed Critical Salzgitter Flachstahl GmbH
Publication of EP1327692A2 publication Critical patent/EP1327692A2/fr
Publication of EP1327692A3 publication Critical patent/EP1327692A3/fr
Application granted granted Critical
Publication of EP1327692B1 publication Critical patent/EP1327692B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • 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
    • 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
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/002—Bainite
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite
    • 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
    • C21D2221/00—Treating localised areas of an article
    • 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
    • C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies

Definitions

  • the invention relates to a method for producing a product made of steel, in which a steel with a metastable first phase in which the steel first Having characteristics, produced and by mechanical influences in one second, thermodynamically stable phase with of the first properties at least partially different second properties is transferred.
  • the invention further relates to a steel product, due to its composition and its production has a metastable first phase in which the steel has first properties and that due to mechanical influences in a thermodynamically more stable, second phase with the first properties at least partially different second properties can be converted.
  • the metastable first phase becomes metastable Austenite formed under mechanical stress in ⁇ '- and / or ⁇ -martensite or transformed into bainite. Accordingly, in a deformation of the Materials in the context of material processing or in a component stress the metastable austenitic phase into a thermodynamically more stable Phase, in particular martensite or bainite converted. In a plastic Deformation of the material causes this transformation to stop the flow processes at the slip planes, so that the overall deformation gradually takes place at a plurality of slip planes, at the same time a solidification the material occurs. In this way, high strengths are added high ductility at the same time, especially with a high degree of uniformity, So stretch without local constrictions achieved.
  • the adjustable with such a steel property spectrum ranges from solid / ductile / low ferromagnetic to high strength / moderate ductile / ferromagnetic.
  • the achievable strength or ductility of the steel can still by the so-called TWIP effect (Twining Induced Plasticity Gemini) be strengthened.
  • TWIP effect Twining Induced Plasticity Gemini
  • the present invention is based on the object, the applicability of described steel material to improve and training new types To allow products made of this material.
  • the essence of the present invention is that due to the phase transition adjustable different properties of a product form locally different, so the product with sections of formed due to the phase adjustment of different properties is.
  • a preferred embodiment of the method according to the invention is first to completely or partially convert the product into the second phase and then to subject the product to at least a portion of a local heat so that the steel in this subarea is at least partially returned to the first phase.
  • This method is therefore based on the finding that the phase transformation from the first phase to the second phase is reversible, by heat.
  • the reverse transformation into the first phase succeeds, whereby grain refining regularly occurs.
  • Preferred steel materials are those which have a TRIP or TWIP effect exhibit. It is therefore preferred to use a steel material whose composition 10 to 30% manganese, 0 to 6% silicon and 0 to 8% aluminum having. Preference is given to additional austenite-stabilizing alloying elements, such as Cr and Ni, each used up to 6%. These elements Due to their austenite-stabilizing properties, they can partially replace Mn and at the same time advantageous effects, such as corrosion-inhibiting Properties, exercise. Other common steel-accompanying elements are possible.
  • the first phase is alone or predominantly metastable austenite and the second phase alone or predominantly made of bainite and / or martensite.
  • the first phase can be only weakly ferromagnetic and the second phase be significantly more ferromagnetic.
  • This formation of the material allows a self-controlling local heat, which is made inductively. If the material of the product has been consistently transferred to the second phase, is the material more ferromagnetic and allows a good coupling of a magnetic Induction field too. If the induction field is strong enough, it will help associated local heating of the product a conversion back to the first, at most only weak ferromagnetic phase instead, whereby the coupling of the induction field is reduced. This will effectively heat up reduces the product, and it establishes a balance in which a part martensite or bainite is not converted back into austenite.
  • Controlled reconversion of bainite or martensite into metastable Austenite also works if another type of heat source is used, For example, a laser heating.
  • a heat source For example, a laser heating.
  • no stray field is measured through the product can be.
  • the transformation of the material from the second phase in The first phase is carried out to a considerable extent, the coupling decreases of the induction field in the product and it becomes a stray field on the measurable on the other side of the product.
  • the desired degree of Reconversion can thus continue the further heating, reduced or be canceled.
  • a targeted Measuring field can be used by a permeability measurement of Material of the product is made.
  • the present invention enables the formation of a wide variety of products advantageously for a variety of applications.
  • Products according to the invention can be finished products, such as carriers, body parts etc., but also semi-finished products, such as steel strips, sheets and profiles.
  • FIG. 1 a shows a band-shaped product 1, above which one of high-frequency Current flowed through induction coil 2 is arranged. by virtue of of the current flowing through turns 3 of the induction coil 2 becomes a magnetic field 4 whose magnetic field lines are illustrated in FIG. 1b.
  • the band-shaped product 1 is completely in the second, ferromagnetic Phase has been transferred so that the magnetic field lines of the magnetic field. 4 concentrate in the product 1 and to a strong warming with a induced current flow 5 lead.
  • FIG. 1b schematically shows that the direction of the induced current 4 opposite to the current in the Windings 3 of the induction coil 2 runs.
  • the shape of the induction coil 2 can be applied to the area to be heated band-shaped product 1 can be adjusted. Alternatively or additionally the induction coil 2 are moved over the product 1.
  • the adjustability of the martensite / bainite content can be further improved, when the inductor power and / or the frequency of the high frequency current regulated becomes.
  • FIG. 2a shows the arrangement according to FIG. 1b, but with one below the band-shaped product 1 arranged sensor coil 6 for measuring a Stray field.
  • the product 1 paramagnetic passes a stray field according to Figure 2b to the sensor coil 6, whereby the phase transition from the second phase to the first Phase characterizing measuring signal is generated.
  • FIGS. 3a and 3b shows a transmitting coil 7 which is independent from the induction coil is.
  • the field of the transmitting coil is through the other side of the product 1 arranged measuring coil 6 measured when the permeability of the product 1 by the transition into the paramagnetic first phase decreases.
  • Figure 4a and Figure 4b shows an advantageous embodiment of a band-shaped Product 1 for a deep-drawing process with a punch 8 and a thermoforming matrix 9th
  • the product 1 is divided according to the invention into three areas 10, 11, wherein a central, acted upon by the punch 8 area 10 is relatively soft with a high ductility, while the two edge regions 11 a higher Have strength and lower ductility.
  • a pot-shaped deformation of the product 1 is achieved according to Figure 4b, in which the middle region 10 leads to a thin pot bottom, while the edge regions 11 form thicker-walled edge regions.
  • FIG. 5 shows a specific wall thickness configuration that results from stretching operations results.
  • Figure 5 shows in a view a product 1, which also in three areas 10, 11, with a central soft area 10 and two tighter edge areas 11, is divided. On the firmer edge regions 11 engages a Tightening pliers 12, through which the product 1 is stretched. By the stretching process arises from the soft region 10 a stretched thin-walled middle region 10 ', while the side areas 11 as less ductile areas stay almost unchanged.
  • the profile is by local Heat treatment in three solid areas 11 and a soft area 10, wherein the soft area 10 has a middle fixed area 11 completely encloses.
  • a Querreckzange 13 is a transverse stretch performed by passing below and above the middle fixed area 11 is a transverse profile with a middle stretched area 10 'and fixed Edge regions 11 results, wherein the central region 10 'by the stretching process is solidified (transverse profile A).
  • transverse profile B As shown as transverse profile B in Figure 5,
  • Figure 6 illustrates the shape of a product 1 with a medium soft Area 10 and two fixed edge areas 11. By folding will produce a U-shaped product 1, which is in the soft region 10th easily deformed to the U-shape and so a deformed and through the Deformation solidified area 10 'forms.
  • Figure 7a shows a conventional tubular support 14 with a circular cross-section A. Collapsed this tubular support 14 due to excessive mechanical pressure, its cross-section A 'deforms considerably in the collapsed area, with the tubular support 14 only low mechanical energy through its deformation behavior can absorb.
  • An inventive tubular support 15 consists of soft Areas 10 and fixed portions 11 which alternately annular in the longitudinal direction are arranged and circular cross sections B, C have.
  • zones of high strength are arranged lengthwise in a tube, results in a high resistance to axial deformation at a soft, ie energy-consuming torsional behavior.
  • the products 1, 15 according to the invention can therefore be used for various purposes Applications “tailor” and open up completely new advantageous Perspectives with simple manufacturing processes.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Hard Magnetic Materials (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
EP02028379A 2002-01-11 2002-12-18 Procédé pour la fabrication d'un produit en acier et produit obtenu Expired - Lifetime EP1327692B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10201009A DE10201009C1 (de) 2002-01-11 2002-01-11 Verfahren zur Herstellung eines Produkts aus Stahl und danach hergestelltes Produkt
DE10201009 2002-01-11
US10/338,050 US20040129355A1 (en) 2002-01-11 2003-01-08 Method of manufacturing a product from steel and product manufactured according to said method

Publications (3)

Publication Number Publication Date
EP1327692A2 true EP1327692A2 (fr) 2003-07-16
EP1327692A3 EP1327692A3 (fr) 2004-05-12
EP1327692B1 EP1327692B1 (fr) 2012-05-30

Family

ID=33300816

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02028379A Expired - Lifetime EP1327692B1 (fr) 2002-01-11 2002-12-18 Procédé pour la fabrication d'un produit en acier et produit obtenu

Country Status (4)

Country Link
US (1) US20040129355A1 (fr)
EP (1) EP1327692B1 (fr)
JP (1) JP2003231916A (fr)
DE (1) DE10201009C1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1426454A1 (fr) * 2002-12-03 2004-06-09 Benteler Automobiltechnik GmbH Procédé de fabrication d'une piéce de forme avec au moins deux régions de structure de ductilité differente et four continu associé

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9943934B2 (en) 2008-10-08 2018-04-17 Snap-On Incorporated Method and tool product of differential heat treatment process
SI3117922T1 (en) * 2015-07-16 2018-07-31 Outokumpu Oyj A method for producing a component of TWIP or TRIP / TWIP austenitic steel
EP3173504A1 (fr) * 2015-11-09 2017-05-31 Outokumpu Oyj Procédé de fabrication d'un composant d'acier austenitique et utilisation dudit composant

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4105971A (en) * 1975-09-11 1978-08-08 Harri Nevalainen Permeability responsive oscillator for detecting phase transformations at various cooling rates
EP0803582A2 (fr) * 1996-04-26 1997-10-29 Denso Corporation Prosédé de transformation d'aciers austénitiques et inoxydables induite par une tension et procédé de fabrication d'éléments magnétiques composés
DE19727759A1 (de) * 1997-07-01 1999-01-07 Max Planck Inst Eisenforschung Leichtbaustahl und seine Verwendung
DE19933113C1 (de) * 1999-07-15 2000-09-07 Thyssenkrupp Stahl Ag Verfahren zum Herstellen eines Bandes aus Stahl durch flexibles Walzen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4875933A (en) * 1988-07-08 1989-10-24 Famcy Steel Corporation Melting method for producing low chromium corrosion resistant and high damping capacity Fe-Mn-Al-C based alloys

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4105971A (en) * 1975-09-11 1978-08-08 Harri Nevalainen Permeability responsive oscillator for detecting phase transformations at various cooling rates
EP0803582A2 (fr) * 1996-04-26 1997-10-29 Denso Corporation Prosédé de transformation d'aciers austénitiques et inoxydables induite par une tension et procédé de fabrication d'éléments magnétiques composés
DE19727759A1 (de) * 1997-07-01 1999-01-07 Max Planck Inst Eisenforschung Leichtbaustahl und seine Verwendung
DE19933113C1 (de) * 1999-07-15 2000-09-07 Thyssenkrupp Stahl Ag Verfahren zum Herstellen eines Bandes aus Stahl durch flexibles Walzen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1426454A1 (fr) * 2002-12-03 2004-06-09 Benteler Automobiltechnik GmbH Procédé de fabrication d'une piéce de forme avec au moins deux régions de structure de ductilité differente et four continu associé

Also Published As

Publication number Publication date
DE10201009C1 (de) 2003-10-16
US20040129355A1 (en) 2004-07-08
EP1327692B1 (fr) 2012-05-30
EP1327692A3 (fr) 2004-05-12
JP2003231916A (ja) 2003-08-19

Similar Documents

Publication Publication Date Title
EP2185735B1 (fr) Procédé et dispositif pour la trempe de profilés
EP2516075B1 (fr) Procédé de traitement thermomécanique
DE10208216C1 (de) Verfahren zur Herstellung eines metallischen Bauteils
DE10120063C2 (de) Verfahren zur Herstellung von metallischen Profilbauteilen für Kraftfahrzeuge
EP0425059B1 (fr) Profilé en acier de forme tubulaire pour renforcer les portes de véhicules
DE19743802C2 (de) Verfahren zur Herstellung eines metallischen Formbauteils
DE602004008917T2 (de) Hochfestes warmgewalztes stahlblech mit hervorragenden formfixierungseigenschaften und zugehöriges herstellungsverfahren
DE102008051992B4 (de) Verfahren zur Herstellung eines Werkstücks, Werkstück und Verwendung eines Werkstückes
EP1693476A4 (fr) Produit en acier pour element structurel d'automobile et procede de fabrication dudit produit
EP1918403B1 (fr) Procédé de fabrication de produits plats en acier à partir d'un acier formant une structure marténsitique
EP3724359B1 (fr) Produit plat en acier laminé à chaud, à rigidité élevée, doté d'une résistance à la fissuration de bords élevée ainsi que d'une capacité de durcissement à la cuisson élevée et procédé de fabrication d'un tel produit plat en acier
WO2020127561A1 (fr) Procédé pour la fabrication de produits de type feuillard à chaud profilés, laminés à chaud de manière classique
DE3782708T2 (de) Drehmoment detektorvorrichtung.
DE69724023T2 (de) Herstellungsverfahren eines dicken Stahlgegenstandes mit hoher Festigkeit und hoher Zähigkeit und hervorragender Schweissbarkeit und minimaler Variation der strukturellen und physikalischen Eigenschaften
EP2192201B1 (fr) Acier à ressort, élément de ressort et procédé de fabrication d'un élément de ressort
EP1595608A1 (fr) Laminage flexible de métaux légers
DE3721641C1 (de) Verfahren zur Herstellung von Warmband
DE3000910C2 (fr)
EP1327692B1 (fr) Procédé pour la fabrication d'un produit en acier et produit obtenu
EP3625049A1 (fr) Procédé de production de matériaux composites à base d'acier
DE4446709A1 (de) Verwendung einer Stahllegierung für Konstruktions-Hohlprofile
EP1204771B1 (fr) Demi-produits et produits finis en acier fin austenitique et procede de fabrication desdits produits
DE60116885T2 (de) Verfahren zur herstellung eines geschlossenen profils
DE19712381A1 (de) Verfahren zum Herstellen von Warmband
DE10329981A1 (de) Aufprallschutzeinrichtung für ein Kraftfahrzeug sowie Verfahren für deren Herstellung

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

AK Designated contracting states

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO

17P Request for examination filed

Effective date: 20040908

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR

17Q First examination report despatched

Effective date: 20060810

GRAC Information related to communication of intention to grant a patent modified

Free format text: ORIGINAL CODE: EPIDOSCIGR1

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

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): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK 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

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 560107

Country of ref document: AT

Kind code of ref document: T

Effective date: 20120615

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: DE

Ref legal event code: R096

Ref document number: 50215493

Country of ref document: DE

Effective date: 20120802

REG Reference to a national code

Ref country code: NL

Ref legal event code: VDEP

Effective date: 20120530

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

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: 20120530

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: 20120530

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: 20120530

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: 20120530

Ref country code: GR

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: 20120831

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

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: 20120530

Ref country code: SK

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: 20120530

Ref country code: NL

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: 20120530

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: 20120530

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: 20120530

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

Ref country code: PT

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: 20121001

Ref country code: IT

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: 20120530

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

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

Effective date: 20120910

26N No opposition filed

Effective date: 20130301

BERE Be: lapsed

Owner name: SALZGITTER FLACHSTAHL G.M.B.H.

Effective date: 20121231

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 50215493

Country of ref document: DE

Effective date: 20130301

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

Ref country code: BG

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: 20120830

Ref country code: MC

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

Effective date: 20121231

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

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

Effective date: 20121218

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: BE

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

Effective date: 20121231

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

Ref country code: CH

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

Effective date: 20121231

Ref country code: LI

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

Effective date: 20121231

Ref country code: IE

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

Effective date: 20121218

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

Ref country code: GB

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

Effective date: 20121218

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 560107

Country of ref document: AT

Kind code of ref document: T

Effective date: 20121218

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

Effective date: 20120530

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

Ref country code: LU

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

Effective date: 20121218

Ref country code: AT

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

Effective date: 20121218

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 50215493

Country of ref document: DE

Representative=s name: GRAMM, LINS & PARTNER PATENT- UND RECHTSANWAEL, DE

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 14

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 15

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 16

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

Ref country code: DE

Payment date: 20171211

Year of fee payment: 16

Ref country code: FR

Payment date: 20171221

Year of fee payment: 16

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 50215493

Country of ref document: DE

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

Ref country code: DE

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

Effective date: 20190702

Ref country code: FR

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

Effective date: 20181231