EP1338667A4 - Composite structure type high tensile strength steel plate, plated plate of composite structure type high tensile strength steel and method for their production - Google Patents

Composite structure type high tensile strength steel plate, plated plate of composite structure type high tensile strength steel and method for their production

Info

Publication number
EP1338667A4
EP1338667A4 EP01998666A EP01998666A EP1338667A4 EP 1338667 A4 EP1338667 A4 EP 1338667A4 EP 01998666 A EP01998666 A EP 01998666A EP 01998666 A EP01998666 A EP 01998666A EP 1338667 A4 EP1338667 A4 EP 1338667A4
Authority
EP
European Patent Office
Prior art keywords
tensile strength
composite structure
type high
strength steel
high tensile
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
EP01998666A
Other languages
German (de)
French (fr)
Other versions
EP1338667B1 (en
EP1338667A1 (en
Inventor
Saiji Matsuoka
Kazuhiro Hanazawa
Tetsuo Shimizu
Kei Sakata
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.)
JFE Steel Corp
Original Assignee
JFE Steel Corp
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
Priority claimed from JP2001312688A external-priority patent/JP4010132B2/en
Priority claimed from JP2001312687A external-priority patent/JP4010131B2/en
Application filed by JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP1338667A1 publication Critical patent/EP1338667A1/en
Publication of EP1338667A4 publication Critical patent/EP1338667A4/en
Application granted granted Critical
Publication of EP1338667B1 publication Critical patent/EP1338667B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/12Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/022Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • C23C2/0222Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating in a reactive atmosphere, e.g. oxidising or reducing atmosphere
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/022Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • C23C2/0224Two or more thermal pretreatments
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/024Pretreatment of the material to be coated, e.g. for coating on selected surface areas by cleaning or etching
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/34Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36Elongated material
    • C23C2/40Plates; Strips
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/005Ferrite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/008Martensite
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12493Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771Transition metal-base component
    • Y10T428/12785Group IIB metal-base component
    • Y10T428/12792Zn-base component
    • Y10T428/12799Next to Fe-base component [e.g., galvanized]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
EP01998666A 2000-11-28 2001-11-27 Composite structure type high tensile strength steel plate, plated plate of composite structure type high tensile strength steel and method for their production Expired - Lifetime EP1338667B1 (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP2000361274 2000-11-28
JP2000361273 2000-11-28
JP2000361274 2000-11-28
JP2000361273 2000-11-28
JP2001312687 2001-10-10
JP2001312688 2001-10-10
JP2001312688A JP4010132B2 (en) 2000-11-28 2001-10-10 Composite structure type high-tensile hot-dip galvanized steel sheet excellent in deep drawability and method for producing the same
JP2001312687A JP4010131B2 (en) 2000-11-28 2001-10-10 Composite structure type high-tensile cold-rolled steel sheet excellent in deep drawability and manufacturing method thereof
PCT/JP2001/010340 WO2002044434A1 (en) 2000-11-28 2001-11-27 Composite structure type high tensile strength steel plate, plated plate of composite structure type high tensile strength steel and method for their production

Publications (3)

Publication Number Publication Date
EP1338667A1 EP1338667A1 (en) 2003-08-27
EP1338667A4 true EP1338667A4 (en) 2005-08-17
EP1338667B1 EP1338667B1 (en) 2011-01-19

Family

ID=27481823

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01998666A Expired - Lifetime EP1338667B1 (en) 2000-11-28 2001-11-27 Composite structure type high tensile strength steel plate, plated plate of composite structure type high tensile strength steel and method for their production

Country Status (9)

Country Link
US (1) US20030129444A1 (en)
EP (1) EP1338667B1 (en)
KR (1) KR20020073564A (en)
CN (1) CN1193110C (en)
AU (1) AU776043B2 (en)
CA (1) CA2398126A1 (en)
DE (1) DE60143907D1 (en)
TW (1) TW520398B (en)
WO (1) WO2002044434A1 (en)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005019487A1 (en) * 2003-08-26 2005-03-03 Jfe Steel Corporation High tensile strength cold-rolled steel sheet and method for production thereof
ES2530066T3 (en) * 2003-11-04 2015-02-26 Uec Technologies Llc Dual phase steel strip for galvanizing
CA2496212C (en) * 2004-02-25 2010-01-12 Jfe Steel Corporation High strength cold rolled steel sheet and method for manufacturing the same
JP4325998B2 (en) * 2004-05-06 2009-09-02 株式会社神戸製鋼所 High-strength hot-dip galvanized steel sheet with excellent spot weldability and material stability
US8337643B2 (en) 2004-11-24 2012-12-25 Nucor Corporation Hot rolled dual phase steel sheet
US7959747B2 (en) * 2004-11-24 2011-06-14 Nucor Corporation Method of making cold rolled dual phase steel sheet
US7442268B2 (en) * 2004-11-24 2008-10-28 Nucor Corporation Method of manufacturing cold rolled dual-phase steel sheet
JP5157146B2 (en) * 2006-01-11 2013-03-06 Jfeスチール株式会社 Hot-dip galvanized steel sheet
JP4804996B2 (en) * 2006-04-07 2011-11-02 新日本製鐵株式会社 Method for producing alloyed hot-dip galvanized steel sheet with good workability, powdering property and slidability
US11155902B2 (en) * 2006-09-27 2021-10-26 Nucor Corporation High strength, hot dip coated, dual phase, steel sheet and method of manufacturing same
US7608155B2 (en) * 2006-09-27 2009-10-27 Nucor Corporation High strength, hot dip coated, dual phase, steel sheet and method of manufacturing same
KR20080061855A (en) * 2006-12-28 2008-07-03 주식회사 포스코 Dual phase steel having superior deep drawing, and method for manufacturing of it
JP5223360B2 (en) * 2007-03-22 2013-06-26 Jfeスチール株式会社 High-strength hot-dip galvanized steel sheet with excellent formability and method for producing the same
JP5194811B2 (en) * 2007-03-30 2013-05-08 Jfeスチール株式会社 High strength hot dip galvanized steel sheet
US8435363B2 (en) * 2007-10-10 2013-05-07 Nucor Corporation Complex metallographic structured high strength steel and manufacturing same
KR100957966B1 (en) * 2007-12-27 2010-05-17 주식회사 포스코 High Tension Multiphase Cold-Rolled Steel Sheet, Hot-Dip Coated Steel Sheet having Excellent Deep-Drawability and Elongation Property and Manufacturing Method Thereof
CN102015155B (en) * 2008-03-19 2013-11-27 纽科尔公司 Strip casting apparatus with casting roll positioning
US20090236068A1 (en) 2008-03-19 2009-09-24 Nucor Corporation Strip casting apparatus for rapid set and change of casting rolls
EP2123786A1 (en) * 2008-05-21 2009-11-25 ArcelorMittal France Method of manufacturing very high-resistance, cold-laminated dual-phase steel sheets, and sheets produced thereby
US20090288798A1 (en) * 2008-05-23 2009-11-26 Nucor Corporation Method and apparatus for controlling temperature of thin cast strip
JP5753781B2 (en) * 2008-07-11 2015-07-22 アクティエボラゲット・エスコーエッフ Method for manufacturing steel components, weld lines, welded steel components, and bearing components
KR101105003B1 (en) * 2008-11-29 2012-01-16 주식회사 포스코 Manufacturing method for steel plate with excellent corrosion resistance at low ph chloride solution
KR101149117B1 (en) * 2009-06-26 2012-05-25 현대제철 주식회사 Steel sheet having excellent low yield ratio property, and method for producing the same
WO2011036351A1 (en) * 2009-09-24 2011-03-31 Arcelormittal Investigación Y Desarrollo Sl Ferritic stainless steel having high drawability properties
JP5765092B2 (en) 2010-07-15 2015-08-19 Jfeスチール株式会社 High yield ratio high-strength hot-dip galvanized steel sheet with excellent ductility and hole expansibility and method for producing the same
JP5765116B2 (en) * 2010-09-29 2015-08-19 Jfeスチール株式会社 High-strength hot-dip galvanized steel sheet excellent in deep drawability and stretch flangeability and method for producing the same
WO2012043837A1 (en) * 2010-09-30 2012-04-05 株式会社神戸製鋼所 Press-molded article and method for producing same
JP5825481B2 (en) * 2010-11-05 2015-12-02 Jfeスチール株式会社 High-strength cold-rolled steel sheet excellent in deep drawability and bake hardenability and its manufacturing method
KR101318382B1 (en) * 2010-12-27 2013-10-15 주식회사 포스코 Enameling steel sheet with surface defect free and manufacturing method thereof
JP5182386B2 (en) * 2011-01-31 2013-04-17 Jfeスチール株式会社 High-strength cold-rolled steel sheet having a high yield ratio with excellent workability and method for producing the same
JP5408314B2 (en) * 2011-10-13 2014-02-05 Jfeスチール株式会社 High-strength cold-rolled steel sheet excellent in deep drawability and material uniformity in the coil and method for producing the same
CN103938097B (en) * 2014-04-04 2016-03-02 首钢总公司 A kind of cold-rolled galvanized duplex steel and preparation method thereof
CN104233093A (en) * 2014-09-17 2014-12-24 朱忠良 Low-carbon, low-silicon, cold-rolled and hot-galvanized dual-phase steel for extra-deep drawing and preparation method thereof
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AU2016293582A1 (en) 2015-07-15 2018-02-01 Ak Steel Properties, Inc. High formability dual phase steel
WO2017144419A1 (en) * 2016-02-23 2017-08-31 Tata Steel Ijmuiden B.V. Hot formed part and method for producing it
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KR101797401B1 (en) 2016-12-07 2017-11-13 주식회사 포스코 Hot dip zinc-based plated steel sheet having excellent bake hardenability and strain aging resistance at room temperature and method for manufacturing same
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KR102064962B1 (en) 2017-12-24 2020-02-11 주식회사 포스코 Cold rolled steel sheet and hot dip zinc-based plated steel sheet having excellent bake hardenability and corrosion resistance, and method for manufacturing the same
KR102031449B1 (en) 2017-12-24 2019-10-11 주식회사 포스코 Zinc-based metal plated steel sheet having excellent anti-aging property at room temperature and bake hardenability, and manufacturing method for the same
EP3992312A4 (en) * 2019-06-28 2022-07-20 JFE Steel Corporation Method for producing non-oriented electromagnetic steel sheet, method for producing motor core, and motor core
KR102086305B1 (en) 2019-12-03 2020-03-06 주식회사 포스코 Cold rolled steel sheet having excellent bake hardenability and corrosion resistance, and method for manufacturing the same
CN113737108A (en) 2020-05-27 2021-12-03 宝山钢铁股份有限公司 Delay cracking resistant electro-galvanized super-strong dual-phase steel and manufacturing method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61246327A (en) * 1985-04-24 1986-11-01 Kobe Steel Ltd Manufacture of cold rolled steel sheet for extremely deep drawing
JPS6274053A (en) * 1985-09-26 1987-04-04 Nippon Steel Corp High-strength cold-rolled steel sheet having high hardenability
JPH11199973A (en) * 1998-01-19 1999-07-27 Nippon Steel Corp High strength cold rolled steel sheet with composite structure excellent in fatigue characteristic and its production
EP0969112A1 (en) * 1997-03-17 2000-01-05 Nippon Steel Corporation Dual-phase high-strength steel sheet having excellent dynamic deformation properties and process for preparing the same
JP2000109966A (en) * 1998-10-02 2000-04-18 Kawasaki Steel Corp Production of hot dip galvanized high tensile strength steel sheet excellent in workability
JP2000319731A (en) * 1999-05-06 2000-11-21 Nippon Steel Corp Production of hot rolled steel sheet for working excellent in fatigue characteristic

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5696019A (en) * 1979-12-28 1981-08-03 Kobe Steel Ltd Production of cold-rolled sheet steel having low yield ratio, high ductility, high strength
CA2310335C (en) * 1998-09-29 2009-05-19 Kawasaki Steel Corporation High strength thin steel sheet, high strength galvannealed steel sheet and manufacturing method thereof
US6537394B1 (en) * 1999-10-22 2003-03-25 Kawasaki Steel Corporation Method for producing hot-dip galvanized steel sheet having high strength and also being excellent in formability and galvanizing property

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61246327A (en) * 1985-04-24 1986-11-01 Kobe Steel Ltd Manufacture of cold rolled steel sheet for extremely deep drawing
JPS6274053A (en) * 1985-09-26 1987-04-04 Nippon Steel Corp High-strength cold-rolled steel sheet having high hardenability
EP0969112A1 (en) * 1997-03-17 2000-01-05 Nippon Steel Corporation Dual-phase high-strength steel sheet having excellent dynamic deformation properties and process for preparing the same
JPH11199973A (en) * 1998-01-19 1999-07-27 Nippon Steel Corp High strength cold rolled steel sheet with composite structure excellent in fatigue characteristic and its production
JP2000109966A (en) * 1998-10-02 2000-04-18 Kawasaki Steel Corp Production of hot dip galvanized high tensile strength steel sheet excellent in workability
JP2000319731A (en) * 1999-05-06 2000-11-21 Nippon Steel Corp Production of hot rolled steel sheet for working excellent in fatigue characteristic

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 011, no. 096 (C - 412) 26 March 1987 (1987-03-26) *
PATENT ABSTRACTS OF JAPAN vol. 011, no. 273 (C - 445) 4 September 1987 (1987-09-04) *
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 12 29 October 1999 (1999-10-29) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 07 29 September 2000 (2000-09-29) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 14 5 March 2001 (2001-03-05) *

Also Published As

Publication number Publication date
WO2002044434A1 (en) 2002-06-06
CN1419607A (en) 2003-05-21
CA2398126A1 (en) 2002-06-06
EP1338667B1 (en) 2011-01-19
EP1338667A1 (en) 2003-08-27
TW520398B (en) 2003-02-11
AU776043B2 (en) 2004-08-26
CN1193110C (en) 2005-03-16
DE60143907D1 (en) 2011-03-03
US20030129444A1 (en) 2003-07-10
KR20020073564A (en) 2002-09-27
AU2411802A (en) 2002-06-11

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 20020726

AK Designated contracting states

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

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: JFE STEEL CORPORATION

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