EP2155915B1 - Verfahren zur herstellung kaltgewalzter und geglühter stahlbleche von sehr hoher festigkeit und in diesem verfahren hergestellte bleche - Google Patents
Verfahren zur herstellung kaltgewalzter und geglühter stahlbleche von sehr hoher festigkeit und in diesem verfahren hergestellte bleche Download PDFInfo
- Publication number
- EP2155915B1 EP2155915B1 EP08805523.1A EP08805523A EP2155915B1 EP 2155915 B1 EP2155915 B1 EP 2155915B1 EP 08805523 A EP08805523 A EP 08805523A EP 2155915 B1 EP2155915 B1 EP 2155915B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- steel
- sheet
- rolled
- cold
- temperature
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims description 123
- 239000010959 steel Substances 0.000 title claims description 123
- 238000004519 manufacturing process Methods 0.000 title claims description 26
- 238000000034 method Methods 0.000 title claims description 15
- 239000000203 mixture Substances 0.000 claims description 45
- 229910001566 austenite Inorganic materials 0.000 claims description 40
- 229910000734 martensite Inorganic materials 0.000 claims description 34
- 229910052804 chromium Inorganic materials 0.000 claims description 30
- 229910001563 bainite Inorganic materials 0.000 claims description 23
- 229910052750 molybdenum Inorganic materials 0.000 claims description 22
- 238000001816 cooling Methods 0.000 claims description 20
- 229910052796 boron Inorganic materials 0.000 claims description 16
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- 238000005097 cold rolling Methods 0.000 claims description 13
- 239000011265 semifinished product Substances 0.000 claims description 13
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims description 6
- 229910052717 sulfur Inorganic materials 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 5
- 238000005098 hot rolling Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000005554 pickling Methods 0.000 claims description 2
- 238000003723 Smelting Methods 0.000 claims 1
- 238000003303 reheating Methods 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 239000011651 chromium Substances 0.000 description 33
- 229910000859 α-Fe Inorganic materials 0.000 description 23
- 230000015572 biosynthetic process Effects 0.000 description 19
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 17
- 229910052710 silicon Inorganic materials 0.000 description 17
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 16
- 239000010936 titanium Substances 0.000 description 14
- 239000011733 molybdenum Substances 0.000 description 13
- 238000000137 annealing Methods 0.000 description 12
- 239000011572 manganese Substances 0.000 description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 11
- 229910052799 carbon Inorganic materials 0.000 description 11
- 239000010703 silicon Substances 0.000 description 11
- 230000009466 transformation Effects 0.000 description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 229910052748 manganese Inorganic materials 0.000 description 7
- 239000011159 matrix material Substances 0.000 description 7
- 239000012071 phase Substances 0.000 description 7
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 5
- 239000003153 chemical reaction reagent Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000010960 cold rolled steel Substances 0.000 description 4
- 239000000470 constituent Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 229910052720 vanadium Inorganic materials 0.000 description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 3
- 229910000794 TRIP steel Inorganic materials 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 229910001567 cementite Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000007571 dilatometry Methods 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910001568 polygonal ferrite Inorganic materials 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000885 Dual-phase steel Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 241001080024 Telles Species 0.000 description 1
- 241000897276 Termes Species 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 229940082150 encore Drugs 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- VCTOKJRTAUILIH-UHFFFAOYSA-N manganese(2+);sulfide Chemical class [S-2].[Mn+2] VCTOKJRTAUILIH-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000386 microscopy Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
-
- 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
- B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
-
- 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
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0236—Cold rolling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
Definitions
- the invention relates to the manufacture of cold-rolled and annealed thin sheets of steels having a strength greater than 1200 MPa and an elongation at break greater than 8%.
- the automotive sector and the general industry are notably fields of application for these steel sheets.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Laminated Bodies (AREA)
Claims (15)
- Stahlblech, das kaltlaminiert und geglüht ist und einen Widerstand von mehr als 1200 MPa und eine Bruchdehnung von mehr als 8 % besitzt, dessen Zusammensetzung ausgedrückt durch Gewichtsprozent umfasst:
- Stahlblech nach Anspruch 1, das einen Widerstand von mehr als 1400 MPa und eine Bruchdehnung von mehr als 8 % besitzt, dadurch gekennzeichnet, dass es enthält:
- Stahlblech nach Anspruch 1, das einen Widerstand von mehr als 1600 MPa und eine Bruchdehnung von mehr als 8 % besitzt, dadurch gekennzeichnet, dass es enthält:
- Stahlblech nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass die mittlere Größe der Inseln aus restlichem Martensit und Austenit kleiner als 1 Mikrometer ist, wobei der mittlere Abstand zwischen den Inseln kleiner als 6 Mikrometer ist.
- Verfahren zum Herstellen eines Stahlblechs, das kaltlaminiert ist und einen Widerstand von mehr als 1200 MPa und eine Bruchdehnung von mehr als 10 % besitzt, das umfasst:- Bereitstellen eines Stahls mit einer Zusammensetzung nach Anspruch 2, dann- Gießen eines Halbfertigprodukts anhand dieses Stahls, dann- Halten des Halbfertigprodukts auf einer Temperatur von mehr als 1150 °C, dann- Heißlaminieren des Halbfertigprodukts, um ein heißlaminiertes Blech zu erhalten, dann- Wickeln des Blechs, dann- Dekapieren des heißlaminierten Blechs, dann- Kaltlaminieren des Blechs mit einem Reduzierungsanteil im Bereich von 30 bis 80 %, derart, dass ein kaltlaminiertes Blech erhalten wird, dann- erneutes Erwärmen des kaltlaminierten Blechs mit einer Geschwindigkeit Vc im Bereich von 5 bis 15 °C/s auf eine Temperatur T1 im Bereich von Ac3 und Ac3 + 20 °C während einer Zeit t1 im Bereich von 50 bis 150 s, dann Abkühlen des Blechs mit einer Geschwindigkeit VR1 von mehr als 40 °C/s und weniger als 100 °C/s auf eine Temperatur T2 im Bereich von Ms - 30 °C bis MS + 30 °C, Halten des Blechs auf der Temperatur T2 während einer Zeit t2 im Bereich von 150 bis 350 s, dann Ausführen einer Abkühlung mit einer Geschwindigkeit VR2 von weniger als 30 °C/s auf Umgebungstemperatur.
- Verfahren zum Herstellen eines kaltlaminierten Stahlblechs, das einen Widerstand von mehr als 1200 MPa und eine Bruchdehnung von mehr als 8 % besitzt, das Folgendes umfasst:- Bereitstellen eines Stahls mit einer Zusammensetzung nach einem der Ansprüche 1 oder 3 bis 5, wobei die Gehalte an Mo und Cr derart sind, dass Mo ≤ 0,25 %, Cr ≤ 1,65 %, wobei selbstverständlich: Cr + (3 × Mo) ≥ 0,3 %, dann- Herstellen eines kaltlaminierten Blechs durch ein Verfahren, das die Schritte des Gießens, erneuten Erwärmens, Heißlaminierens, Wickelns, Dekapierens und Kaltlaminierens nach Anspruch 12 umfasst, dann- erneutes Erwärmen des kaltlaminierten Blechs mit einer Geschwindigkeit Vc im Bereich von 5 bis 15 °C/s auf eine Temperatur T1 im Bereich von Ac3 bis Ac3 + 20 °C während einer Zeit t1 im Bereich von 50 bis 150 s, dann Abkühlen des Blechs mit einer Geschwindigkeit VR1 von mehr als 25 °C/s und weniger als 100 °C/s auf eine Temperatur T2 im Bereich von BS bis MS - 20 °C, Halten des Blechs auf der Temperatur T2 während einer Zeit t2 im Bereich von 150 bis 350 s, dann Ausführen eines Abkühlens mit einer Geschwindigkeit VR2 von weniger als 30 °C/s auf Umgebungstemperatur.
- Herstellungsverfahren nach Anspruch 12 oder 13, dadurch gekennzeichnet, dass die Temperatur T1 im Bereich von AC3 + 10 °C bis AC3 + 20 °C liegt.
- Verwendung eines kaltlaminierten und geglühten Stahlblechs nach einem der Ansprüche 1 bis 11 oder hergestellt durch ein Verfahren nach einem der Ansprüche 12 bis 14 für die Herstellung von Strukturteilen oder Verstärkungselementen auf dem Gebiet der Kraftfahrzeuge.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL08805523.1T PL2155915T5 (pl) | 2007-05-11 | 2008-04-28 | Sposób produkcji blach stalowych walcowanych na zimno i wyżarzanych o bardzo wysokiej wytrzymałości oraz blachy tak wytworzone |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07290598A EP1990431A1 (de) | 2007-05-11 | 2007-05-11 | Verfahren zur Herstellung von kalt gewalzten und geglühten Stahlblechen mit sehr hoher Festigkeit und so hergestellte Bleche |
PCT/FR2008/000609 WO2008145871A2 (fr) | 2007-05-11 | 2008-04-28 | Procede de fabrication de tôles d'acier laminees a froid et recuites a tres haute resistance, et tôles ainsi produites |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2155915A2 EP2155915A2 (de) | 2010-02-24 |
EP2155915B1 true EP2155915B1 (de) | 2017-10-25 |
EP2155915B2 EP2155915B2 (de) | 2022-04-27 |
Family
ID=38596874
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07290598A Withdrawn EP1990431A1 (de) | 2007-05-11 | 2007-05-11 | Verfahren zur Herstellung von kalt gewalzten und geglühten Stahlblechen mit sehr hoher Festigkeit und so hergestellte Bleche |
EP08805523.1A Active EP2155915B2 (de) | 2007-05-11 | 2008-04-28 | Verfahren zur herstellung kaltgewalzter und geglühter stahlbleche von sehr hoher festigkeit und in diesem verfahren hergestellte bleche |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07290598A Withdrawn EP1990431A1 (de) | 2007-05-11 | 2007-05-11 | Verfahren zur Herstellung von kalt gewalzten und geglühten Stahlblechen mit sehr hoher Festigkeit und so hergestellte Bleche |
Country Status (16)
Country | Link |
---|---|
US (4) | US20100307644A1 (de) |
EP (2) | EP1990431A1 (de) |
JP (1) | JP5398701B2 (de) |
KR (1) | KR101523395B1 (de) |
CN (1) | CN101765668B (de) |
AR (1) | AR066508A1 (de) |
BR (1) | BRPI0821572B1 (de) |
CA (1) | CA2686940C (de) |
ES (1) | ES2655476T5 (de) |
HU (1) | HUE035549T2 (de) |
MA (1) | MA31555B1 (de) |
MX (1) | MX2009011927A (de) |
PL (1) | PL2155915T5 (de) |
RU (1) | RU2437945C2 (de) |
WO (1) | WO2008145871A2 (de) |
ZA (1) | ZA200907430B (de) |
Families Citing this family (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1990431A1 (de) * | 2007-05-11 | 2008-11-12 | ArcelorMittal France | Verfahren zur Herstellung von kalt gewalzten und geglühten Stahlblechen mit sehr hoher Festigkeit und so hergestellte Bleche |
EP2123786A1 (de) * | 2008-05-21 | 2009-11-25 | ArcelorMittal France | Verfahren zur Herstellung von kalt gewalzten Zweiphasen-Stahlblechen mit sehr hoher Festigkeit und so hergestellte Bleche |
CN101928875A (zh) * | 2009-06-22 | 2010-12-29 | 鞍钢股份有限公司 | 具有良好成形性能的高强度冷轧钢板及其制备方法 |
JP5703608B2 (ja) * | 2009-07-30 | 2015-04-22 | Jfeスチール株式会社 | 高強度鋼板およびその製造方法 |
JP2013545890A (ja) * | 2010-10-12 | 2013-12-26 | タタ、スティール、アイモイデン、ベスローテン、フェンノートシャップ | 鋼ブランクの熱間成形方法及び熱間成形部品 |
UA112771C2 (uk) * | 2011-05-10 | 2016-10-25 | Арселормітталь Інвестігасьон І Десароло Сл | Сталевий лист з високою механічною міцністю, пластичністю і формованістю, спосіб виготовлення та застосування таких листів |
CA2841064C (en) | 2011-07-06 | 2016-07-12 | Nippon Steel & Sumitomo Metal Corporation | Hot-dip galvanized cold-rolled steel sheet and process for producing same |
US9115416B2 (en) | 2011-12-19 | 2015-08-25 | Kobe Steel, Ltd. | High-yield-ratio and high-strength steel sheet excellent in workability |
EP2803744B1 (de) * | 2012-01-13 | 2018-05-02 | Nippon Steel & Sumitomo Metal Corporation | Kaltgewalztes stahlblech und verfahren zu seiner herstellung |
CA2863218C (en) | 2012-01-13 | 2017-07-18 | Nippon Steel & Sumitomo Metal Corporation | Hot stamped steel and method for producing the same |
JP5516785B2 (ja) * | 2012-03-29 | 2014-06-11 | Jfeスチール株式会社 | 低降伏比高強度鋼板およびその製造方法並びにそれを用いた高強度溶接鋼管 |
JP2013209728A (ja) * | 2012-03-30 | 2013-10-10 | Jfe Steel Corp | 耐時効性に優れた冷延鋼板およびその製造方法 |
JP5860333B2 (ja) * | 2012-03-30 | 2016-02-16 | 株式会社神戸製鋼所 | 加工性に優れた高降伏比高強度冷延鋼板 |
CN104428435A (zh) * | 2012-04-10 | 2015-03-18 | 新日铁住金株式会社 | 适合冲击吸收构件的钢板及其制造方法 |
JP2014019928A (ja) * | 2012-07-20 | 2014-02-03 | Jfe Steel Corp | 高強度冷延鋼板および高強度冷延鋼板の製造方法 |
EP2690184B1 (de) * | 2012-07-27 | 2020-09-02 | ThyssenKrupp Steel Europe AG | Kaltgewalztes Stahlflachprodukt und Verfahren zu seiner Herstellung |
CN102766807A (zh) * | 2012-07-31 | 2012-11-07 | 内蒙古包钢钢联股份有限公司 | 一种含硼贝氏体钢板及其制造方法 |
SI2895635T1 (sl) * | 2012-09-14 | 2019-06-28 | Ilsenburger Grobblech Gmbh | Legirano jeklo za nizko legirano, visokotrdnostno jeklo |
WO2015011511A1 (fr) * | 2013-07-24 | 2015-01-29 | Arcelormittal Investigación Y Desarrollo Sl | Tôle d'acier à très hautes caractéristiques mécaniques de résistance et de ductilité, procédé de fabrication et utilisation de telles tôles |
DE102013013067A1 (de) * | 2013-07-30 | 2015-02-05 | Salzgitter Flachstahl Gmbh | Siliziumhaltiger, mikrolegierter hochfester Mehrphasenstahl mit einer Mindestzugfestigkeit von 750 MPa und verbesserten Eigenschaften und Verfahren zur Herstellung eines Bandes aus diesem Stahl |
ES2636780T3 (es) | 2013-08-22 | 2017-10-09 | Thyssenkrupp Steel Europe Ag | Procedimiento para la fabricación de un componente de acero |
CN105980591A (zh) * | 2014-02-05 | 2016-09-28 | 安赛乐米塔尔股份公司 | 可热成形的、可空气淬硬的、可焊的钢板 |
CN103952635B (zh) * | 2014-05-13 | 2016-09-14 | 东北特钢集团北满特殊钢有限责任公司 | 含锰硅的高强钢及其制备方法 |
PL3150736T3 (pl) | 2014-05-29 | 2020-03-31 | Nippon Steel Corporation | Materiał stalowy poddany obróbce cieplnej i sposób jego wytwarzania |
CN104018069B (zh) * | 2014-06-16 | 2016-01-20 | 武汉科技大学 | 一种高性能低碳含Mo贝氏体钢及其制备方法 |
WO2016001700A1 (en) * | 2014-07-03 | 2016-01-07 | Arcelormittal | Method for producing a high strength steel sheet having improved strength, ductility and formability |
WO2016001706A1 (en) | 2014-07-03 | 2016-01-07 | Arcelormittal | Method for producing a high strength steel sheet having improved strength and formability and obtained sheet |
WO2016001704A1 (en) | 2014-07-03 | 2016-01-07 | Arcelormittal | Method for manufacturing a high strength steel sheet and sheet obtained |
WO2016001710A1 (en) | 2014-07-03 | 2016-01-07 | Arcelormittal | Method for producing a high strength coated steel having improved strength and ductility and obtained sheet |
WO2016001708A1 (en) | 2014-07-03 | 2016-01-07 | Arcelormittal | Method for producing a high strength coated steel sheet having improved strength, formability and obtained sheet |
WO2016001702A1 (en) | 2014-07-03 | 2016-01-07 | Arcelormittal | Method for producing a high strength coated steel sheet having improved strength, ductility and formability |
DE102014017274A1 (de) * | 2014-11-18 | 2016-05-19 | Salzgitter Flachstahl Gmbh | Höchstfester lufthärtender Mehrphasenstahl mit hervorragenden Verarbeitungseigenschaften und Verfahren zur Herstellung eines Bandes aus diesem Stahl |
WO2016132165A1 (fr) * | 2015-02-19 | 2016-08-25 | Arcelormittal | Procede de fabrication d'une piece phosphatable a partir d'une tole revetue d'un revetement a base d'aluminium et d'un revetement de zinc |
DE102015112886A1 (de) * | 2015-08-05 | 2017-02-09 | Salzgitter Flachstahl Gmbh | Hochfester aluminiumhaltiger Manganstahl, ein Verfahren zur Herstellung eines Stahlflachprodukts aus diesem Stahl und hiernach hergestelltes Stahlflachprodukt |
WO2017109539A1 (en) | 2015-12-21 | 2017-06-29 | Arcelormittal | Method for producing a high strength steel sheet having improved strength and formability, and obtained high strength steel sheet |
MX2018008975A (es) * | 2016-01-22 | 2018-09-03 | Jfe Steel Corp | Lamina de acero de alta resistencia y metodo para producir la misma. |
WO2018115933A1 (en) * | 2016-12-21 | 2018-06-28 | Arcelormittal | High-strength cold rolled steel sheet having high formability and a method of manufacturing thereof |
WO2018115935A1 (en) * | 2016-12-21 | 2018-06-28 | Arcelormittal | Tempered and coated steel sheet having excellent formability and a method of manufacturing the same |
WO2018115936A1 (en) | 2016-12-21 | 2018-06-28 | Arcelormittal | Tempered and coated steel sheet having excellent formability and a method of manufacturing the same |
WO2018215813A1 (en) * | 2017-05-22 | 2018-11-29 | Arcelormittal | Method for producing a steel part and corresponding steel part |
WO2018220430A1 (en) * | 2017-06-02 | 2018-12-06 | Arcelormittal | Steel sheet for manufacturing press hardened parts, press hardened part having a combination of high strength and crash ductility, and manufacturing methods thereof |
WO2018234839A1 (en) | 2017-06-20 | 2018-12-27 | Arcelormittal | ZINC COATED STEEL SHEET HAVING HIGH STRENGTH POINTS WELDABILITY |
WO2019111029A1 (en) * | 2017-12-05 | 2019-06-13 | Arcelormittal | Cold rolled and annealed steel sheet and method of manufacturing the same |
WO2019122963A1 (en) * | 2017-12-19 | 2019-06-27 | Arcelormittal | Cold rolled and heat treated steel sheet and a method of manufacturing thereof |
CN109576579A (zh) * | 2018-11-29 | 2019-04-05 | 宝山钢铁股份有限公司 | 一种具有高扩孔率和较高延伸率的980MPa级冷轧钢板及其制造方法 |
CA3115030C (en) * | 2018-11-30 | 2023-06-27 | Arcelormittal | Cold rolled annealed steel sheet with high hole expansion ratio and manufacturing process thereof |
CN109894812B (zh) * | 2019-02-13 | 2021-09-24 | 舞阳钢铁有限责任公司 | 一种小单重坯料生产Cr-Mo钢板的方法 |
CN112159931B (zh) * | 2020-09-28 | 2022-08-12 | 首钢集团有限公司 | 一种具有连续屈服的1000MPa级中锰TRIP钢及其制备方法 |
CN113215493B (zh) * | 2021-05-11 | 2022-01-07 | 北京理工大学 | 一种高强度榴弹弹钢及其制备方法 |
CN113403533B (zh) * | 2021-05-28 | 2022-04-12 | 广西柳钢华创科技研发有限公司 | 高速棒材生产hrb500e螺纹钢筋的方法及高速棒材生产的hrb500e螺纹钢筋 |
CN113699456B (zh) * | 2021-09-01 | 2022-06-21 | 山东盛阳金属科技股份有限公司 | 一种254SMo超级奥氏体不锈钢热连轧板卷生产工艺 |
CN115261704B (zh) * | 2022-07-29 | 2023-01-24 | 攀钢集团攀枝花钢铁研究院有限公司 | 中等强度热轧贝氏体钢轨制造方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004190050A (ja) | 2002-12-06 | 2004-07-08 | Kobe Steel Ltd | 温間加工による伸び及び伸びフランジ性に優れた高強度鋼板、温間加工方法、及び温間加工された高強度部材または高強度部品 |
EP1676932A1 (de) | 2004-12-28 | 2006-07-05 | Kabushiki Kaisha Kobe Seiko Sho | Hochfestes dünnes Stahlblech mit hohem Widerstand gegen Wasserstoffversprödung |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04350121A (ja) * | 1991-05-27 | 1992-12-04 | Nippon Steel Corp | 高温強度特性がすぐれた鋼板の製造方法 |
FR2729974B1 (fr) | 1995-01-31 | 1997-02-28 | Creusot Loire | Acier a haute ductilite, procede de fabrication et utilisation |
JPH0925538A (ja) * | 1995-05-10 | 1997-01-28 | Kobe Steel Ltd | 耐孔明き腐食性および圧壊特性に優れた高強度冷延鋼板、および高強度亜鉛系めっき鋼板並びにそれらの製造方法 |
JPH09263838A (ja) * | 1996-03-28 | 1997-10-07 | Kobe Steel Ltd | 伸びフランジ性に優れた高強度冷延鋼板の製造方法 |
JP3450985B2 (ja) * | 1997-04-10 | 2003-09-29 | 新日本製鐵株式会社 | 形状が良好で曲げ性に優れた高強度冷延鋼板とその製造方法 |
US6254698B1 (en) | 1997-12-19 | 2001-07-03 | Exxonmobile Upstream Research Company | Ultra-high strength ausaged steels with excellent cryogenic temperature toughness and method of making thereof |
JP2000080440A (ja) * | 1998-08-31 | 2000-03-21 | Kawasaki Steel Corp | 高強度冷延薄鋼板およびその製造方法 |
JP2001226741A (ja) * | 2000-02-15 | 2001-08-21 | Kawasaki Steel Corp | 伸びフランジ加工性に優れた高強度冷延鋼板およびその製造方法 |
JP2001267386A (ja) | 2000-03-22 | 2001-09-28 | Sony Corp | 半導体装置用テスト回路 |
JP3958921B2 (ja) * | 2000-08-04 | 2007-08-15 | 新日本製鐵株式会社 | 塗装焼付硬化性能と耐常温時効性に優れた冷延鋼板及びその製造方法 |
JP4304350B2 (ja) | 2002-08-20 | 2009-07-29 | 雅則 平野 | ポリヌクレオチドの合成方法 |
FR2847271B1 (fr) * | 2002-11-19 | 2004-12-24 | Usinor | Procede pour fabriquer une tole en acier resistant a l'abrasion et tole obtenue |
JP2005168405A (ja) * | 2003-12-11 | 2005-06-30 | Ajinomoto Co Inc | ジペプチドの製造方法 |
US7591977B2 (en) * | 2004-01-28 | 2009-09-22 | Kabuhsiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | High strength and low yield ratio cold rolled steel sheet and method of manufacturing the same |
DE602005013442D1 (de) * | 2004-04-22 | 2009-05-07 | Kobe Steel Ltd | Hochfestes und kaltgewaltzes stahlblech mit hervorragender verformbarkeit und plattiertes stahlblech |
JP4254663B2 (ja) * | 2004-09-02 | 2009-04-15 | 住友金属工業株式会社 | 高強度薄鋼板およびその製造方法 |
JP2006089775A (ja) * | 2004-09-21 | 2006-04-06 | Nisshin Steel Co Ltd | 耐久性に優れたタイヤ中子の製造方法 |
RU2292404C1 (ru) | 2005-07-15 | 2007-01-27 | Открытое акционерное общество "Северсталь" | Способ производства полос для изготовления труб |
JP4772496B2 (ja) * | 2005-12-27 | 2011-09-14 | 新日本製鐵株式会社 | 穴拡げ性に優れた高強度冷延薄鋼板及びその製造方法 |
EP1832667A1 (de) | 2006-03-07 | 2007-09-12 | ARCELOR France | Herstellungsverfahren von Stahlblechen mit hoher Festigkeit, Duktilität sowie Zähigkeit und so hergestellte Bleche. |
EP1990431A1 (de) * | 2007-05-11 | 2008-11-12 | ArcelorMittal France | Verfahren zur Herstellung von kalt gewalzten und geglühten Stahlblechen mit sehr hoher Festigkeit und so hergestellte Bleche |
-
2007
- 2007-05-11 EP EP07290598A patent/EP1990431A1/de not_active Withdrawn
-
2008
- 2008-04-28 WO PCT/FR2008/000609 patent/WO2008145871A2/fr active Search and Examination
- 2008-04-28 HU HUE08805523A patent/HUE035549T2/en unknown
- 2008-04-28 MX MX2009011927A patent/MX2009011927A/es active IP Right Grant
- 2008-04-28 ES ES08805523T patent/ES2655476T5/es active Active
- 2008-04-28 EP EP08805523.1A patent/EP2155915B2/de active Active
- 2008-04-28 CA CA2686940A patent/CA2686940C/fr active Active
- 2008-04-28 RU RU2009145940/02A patent/RU2437945C2/ru active
- 2008-04-28 CN CN2008800153809A patent/CN101765668B/zh active Active
- 2008-04-28 PL PL08805523.1T patent/PL2155915T5/pl unknown
- 2008-04-28 JP JP2010506964A patent/JP5398701B2/ja active Active
- 2008-04-28 US US12/599,166 patent/US20100307644A1/en not_active Abandoned
- 2008-04-28 BR BRPI0821572-3A patent/BRPI0821572B1/pt active IP Right Grant
- 2008-04-28 KR KR1020097023517A patent/KR101523395B1/ko active IP Right Grant
- 2008-05-09 AR ARP080101971A patent/AR066508A1/es active IP Right Grant
-
2009
- 2009-10-23 ZA ZA200907430A patent/ZA200907430B/xx unknown
- 2009-11-03 MA MA32328A patent/MA31555B1/fr unknown
-
2016
- 2016-08-22 US US15/243,610 patent/US10612106B2/en active Active
-
2019
- 2019-10-03 US US16/592,341 patent/US11414722B2/en active Active
-
2022
- 2022-01-13 US US17/575,300 patent/US20220136078A1/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004190050A (ja) | 2002-12-06 | 2004-07-08 | Kobe Steel Ltd | 温間加工による伸び及び伸びフランジ性に優れた高強度鋼板、温間加工方法、及び温間加工された高強度部材または高強度部品 |
EP1676932A1 (de) | 2004-12-28 | 2006-07-05 | Kabushiki Kaisha Kobe Seiko Sho | Hochfestes dünnes Stahlblech mit hohem Widerstand gegen Wasserstoffversprödung |
Non-Patent Citations (2)
Title |
---|
IMOSE: "Heating and cooling technology in the continuous annealing", TRANSACTIONS ISIU, vol. 25, 1985, pages 911 - 932, XP055276436 |
SUGIMOTO ET AL., ISIJ INTERNATIONAL, vol. 40, no. 9, 2000, pages 902 - 908, XP009048166 |
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2155915B1 (de) | Verfahren zur herstellung kaltgewalzter und geglühter stahlbleche von sehr hoher festigkeit und in diesem verfahren hergestellte bleche | |
EP1913169B1 (de) | Herstellungsprozess von stahlblechen mit hoher festigkeit und exzellenter dehnung und hergestellte produkte | |
EP2171112B1 (de) | Verfahren zur herstellung eines stahlblechs mit sehr hohen festigkeits- und biegbarkeitseigenschaften und in diesem verfahren hergestellte bleche | |
EP2707514B1 (de) | Stahlblech mit hoher mechanischer festigkeit, duktilität und formbarkeit, herstellungsverfahren und anwendung derartiger bleche | |
EP1994192B1 (de) | Verfahren zur herstellung eines stahlblechs mit sehr hohen festigkeits-, biegbarkeits- und härteeigenschaften und auf diese weise produziertes blech | |
EP2291547B1 (de) | Verfahren zur herstellung von kaltgewalzten dualphasenstahlblechen mit sehr hoher festigkeit und so hergestellte bleche | |
EP3084014B1 (de) | Hochfester stahl und herstellungsverfahren dafür | |
EP3783116B1 (de) | Vorbeschichtete blätter, die die herstellung von druckgehärteten und beschichteten stahlteilen erlauben | |
EP2718469B1 (de) | Kaltgewalztes stahlblech mit zink oder zinklegierungsbeschichtung, herstellungsverfahren dafür und verwendung eines solchen stahlblechs | |
EP2707513B1 (de) | Verfahren zur herstellung von martensitischem stahl von sehr hoher stärke und folie oder teil aus diesem verfahren | |
EP1819461B1 (de) | Verfahren zur herstellung von austenitischen eisen-/karbon-/mangan-stahlblechen mit sehr guten festigkeits- und dehnungseigenschaften sowie ausgezeichneter homogenität | |
CA2680623C (fr) | Acier pour formage a chaud ou trempe sous outil, a ductilite amelioree | |
EP2707515B1 (de) | Verfahren zur herstellung eines martensitisches sehr hoher dehngrenze stahlblech | |
WO2016198940A2 (fr) | Acier à haute résistance et procédé de fabrication | |
EP3631033A1 (de) | Verfahren zur herstellung hochfester stahlteile mit verbesserter duktilität und nach diesem verfahren hergestellte teile |
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: 20091211 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL BA MK RS |
|
17Q | First examination report despatched |
Effective date: 20100415 |
|
DAX | Request for extension of the european patent (deleted) | ||
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: ARCELORMITTAL |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
INTG | Intention to grant announced |
Effective date: 20170607 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE PATENT HAS BEEN GRANTED |
|
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 HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO 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: 940011 Country of ref document: AT Kind code of ref document: T Effective date: 20171115 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: LANGUAGE OF EP DOCUMENT: FRENCH |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 602008052677 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: RO Ref legal event code: EPE |
|
REG | Reference to a national code |
Ref country code: SE Ref legal event code: TRGR |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: FP |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FG2A Ref document number: 2655476 Country of ref document: ES Kind code of ref document: T3 Effective date: 20180220 |
|
REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG4D |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 11 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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: 20171025 Ref country code: NO 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: 20180125 |
|
REG | Reference to a national code |
Ref country code: HU Ref legal event code: AG4A Ref document number: E035549 Country of ref document: HU |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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: 20180126 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: 20171025 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: 20171025 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: 20180125 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: 20180225 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R026 Ref document number: 602008052677 Country of ref document: DE |
|
PLBI | Opposition filed |
Free format text: ORIGINAL CODE: 0009260 |
|
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: 20171025 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: 20171025 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: 20171025 |
|
26 | Opposition filed |
Opponent name: TATA STEEL IJMUIDEN BV Effective date: 20180725 |
|
PLAX | Notice of opposition and request to file observation + time limit sent |
Free format text: ORIGINAL CODE: EPIDOSNOBS2 |
|
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: 20171025 |
|
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: 20171025 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: 20171025 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
PLBB | Reply of patent proprietor to notice(s) of opposition received |
Free format text: ORIGINAL CODE: EPIDOSNOBS3 |
|
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: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20180428 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20180430 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20180430 |
|
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: 20180428 |
|
PLAB | Opposition data, opponent's data or that of the opponent's representative modified |
Free format text: ORIGINAL CODE: 0009299OPPO |
|
R26 | Opposition filed (corrected) |
Opponent name: TATA STEEL IJMUIDEN BV Effective date: 20180725 |
|
APBM | Appeal reference recorded |
Free format text: ORIGINAL CODE: EPIDOSNREFNO |
|
APBP | Date of receipt of notice of appeal recorded |
Free format text: ORIGINAL CODE: EPIDOSNNOA2O |
|
APAH | Appeal reference modified |
Free format text: ORIGINAL CODE: EPIDOSCREFNO |
|
APBQ | Date of receipt of statement of grounds of appeal recorded |
Free format text: ORIGINAL CODE: EPIDOSNNOA3O |
|
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: 20171025 |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: UEP Ref document number: 940011 Country of ref document: AT Kind code of ref document: T Effective date: 20171025 |
|
APBU | Appeal procedure closed |
Free format text: ORIGINAL CODE: EPIDOSNNOA9O |
|
PUAH | Patent maintained in amended form |
Free format text: ORIGINAL CODE: 0009272 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: PATENT MAINTAINED AS AMENDED |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PK Free format text: TITRE |
|
27A | Patent maintained in amended form |
Effective date: 20220427 |
|
AK | Designated contracting states |
Kind code of ref document: B2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R102 Ref document number: 602008052677 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: SE Ref legal event code: RPEO |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: FP |
|
REG | Reference to a national code |
Ref country code: SK Ref legal event code: T5 Ref document number: E 26330 Country of ref document: SK |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: DC2A Ref document number: 2655476 Country of ref document: ES Kind code of ref document: T5 Effective date: 20220929 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: RO Payment date: 20230328 Year of fee payment: 16 |
|
P01 | Opt-out of the competence of the unified patent court (upc) registered |
Effective date: 20230427 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: ES Payment date: 20230502 Year of fee payment: 16 Ref country code: DE Payment date: 20230321 Year of fee payment: 16 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: HU Payment date: 20230329 Year of fee payment: 16 Ref country code: AT Payment date: 20230322 Year of fee payment: 16 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: NL Payment date: 20240320 Year of fee payment: 17 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FI Payment date: 20240320 Year of fee payment: 17 Ref country code: CZ Payment date: 20240326 Year of fee payment: 17 Ref country code: GB Payment date: 20240321 Year of fee payment: 17 Ref country code: SK Payment date: 20240326 Year of fee payment: 17 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: TR Payment date: 20240327 Year of fee payment: 17 Ref country code: SE Payment date: 20240320 Year of fee payment: 17 Ref country code: PL Payment date: 20240320 Year of fee payment: 17 Ref country code: IT Payment date: 20240320 Year of fee payment: 17 Ref country code: FR Payment date: 20240320 Year of fee payment: 17 Ref country code: BE Payment date: 20240320 Year of fee payment: 17 |