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WO2003018857A1 - Plaque d'acier presentant une excellente aptitude au faconnage et procede de production associe - Google Patents

Plaque d'acier presentant une excellente aptitude au faconnage et procede de production associe Download PDF

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Publication number
WO2003018857A1
WO2003018857A1 PCT/JP2002/006518 JP0206518W WO03018857A1 WO 2003018857 A1 WO2003018857 A1 WO 2003018857A1 JP 0206518 W JP0206518 W JP 0206518W WO 03018857 A1 WO03018857 A1 WO 03018857A1
Authority
WO
WIPO (PCT)
Prior art keywords
steel plate
value
producing
workability
exhibiting excellent
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.)
Ceased
Application number
PCT/JP2002/006518
Other languages
English (en)
French (fr)
Inventor
Naoki Yoshinaga
Nobuhiro Fujita
Manabu Takahashi
Koji Hashimoto
Shinya Sakamoto
Kaoru Kawasaki
Yasuhiro Shinohara
Takehide Senuma
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.)
Nippon Steel Corp
Original Assignee
Nippon 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 JP2001255384A external-priority patent/JP4041295B2/ja
Priority claimed from JP2001255385A external-priority patent/JP4041296B2/ja
Priority to US10/487,797 priority Critical patent/US7534312B2/en
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to EP02736196.3A priority patent/EP1431407B1/en
Priority to EP11186515.0A priority patent/EP2415894B1/en
Priority to KR1020047002603A priority patent/KR100548864B1/ko
Publication of WO2003018857A1 publication Critical patent/WO2003018857A1/ja
Anticipated expiration legal-status Critical
Priority to US12/048,465 priority patent/US7776161B2/en
Priority to US12/185,423 priority patent/US8052807B2/en
Priority to US12/185,402 priority patent/US7749343B2/en
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • 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
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
    • C21D8/0426—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
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
    • C21D8/0436—Cold rolling
    • 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
    • C22C38/04—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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • C23C2/0224—Two or more thermal pretreatments
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/024—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by cleaning or etching
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/34—Pretreatment of metallic surfaces to be electroplated
    • 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
    • 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
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • C21D9/48—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electrochemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Steel (AREA)
PCT/JP2002/006518 2001-08-24 2002-06-27 Plaque d'acier presentant une excellente aptitude au faconnage et procede de production associe Ceased WO2003018857A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
KR1020047002603A KR100548864B1 (ko) 2001-08-24 2002-06-27 딥 드로잉성이 우수한 강판, 강관 및 그 제조 방법
EP11186515.0A EP2415894B1 (en) 2001-08-24 2002-06-27 Steel sheet excellent in workability and method for producing the same
US10/487,797 US7534312B2 (en) 2001-08-24 2002-06-27 Steel plate exhibiting excellent workability and method for producing the same
EP02736196.3A EP1431407B1 (en) 2001-08-24 2002-06-27 Steel plate exhibiting excellent workability and method for producing the same
US12/048,465 US7776161B2 (en) 2001-08-24 2008-03-14 Cold-rolled steel sheet excellent in workability
US12/185,423 US8052807B2 (en) 2001-08-24 2008-08-04 Steel sheet excellent in workability
US12/185,402 US7749343B2 (en) 2001-08-24 2008-08-04 Method to produce steel sheet excellent in workability

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2001-255385 2001-08-24
JP2001-255384 2001-08-24
JP2001255384A JP4041295B2 (ja) 2001-08-24 2001-08-24 深絞り性に優れた高強度冷延鋼板とその製造方法
JP2001255385A JP4041296B2 (ja) 2001-08-24 2001-08-24 深絞り性に優れた高強度鋼板および製造方法
JP2002153030 2002-05-27
JP2002-153030 2002-05-27

Related Child Applications (4)

Application Number Title Priority Date Filing Date
US10487797 A-371-Of-International 2002-06-27
US12/048,465 Division US7776161B2 (en) 2001-08-24 2008-03-14 Cold-rolled steel sheet excellent in workability
US12/185,402 Division US7749343B2 (en) 2001-08-24 2008-08-04 Method to produce steel sheet excellent in workability
US12/185,423 Division US8052807B2 (en) 2001-08-24 2008-08-04 Steel sheet excellent in workability

Publications (1)

Publication Number Publication Date
WO2003018857A1 true WO2003018857A1 (fr) 2003-03-06

Family

ID=27347379

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/006518 Ceased WO2003018857A1 (fr) 2001-08-24 2002-06-27 Plaque d'acier presentant une excellente aptitude au faconnage et procede de production associe

Country Status (6)

Country Link
US (4) US7534312B2 (ja)
EP (3) EP2415894B1 (ja)
KR (1) KR100548864B1 (ja)
CN (1) CN100549203C (ja)
TW (1) TWI290177B (ja)
WO (1) WO2003018857A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005005670A1 (en) * 2003-06-26 2005-01-20 Nippon Steel Corporation High-strength hot-rolled steel sheet excellent in shape fixability and method of producing the same
CN100374586C (zh) * 2003-06-26 2008-03-12 新日本制铁株式会社 具有良好的形状可固定性的高强度热轧薄钢板及其生产方法
US20120138194A1 (en) * 2006-09-27 2012-06-07 Nucor Corporation High strength, hot dip coated, dual phase, steel sheet and method of manufacturing same
CN103667878A (zh) * 2012-08-31 2014-03-26 宝山钢铁股份有限公司 一种薄壁油桶用薄带钢及其制造方法

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* Cited by examiner, † Cited by third party
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JP4819305B2 (ja) * 2003-09-04 2011-11-24 日産自動車株式会社 強化部材の製造方法
US7442268B2 (en) * 2004-11-24 2008-10-28 Nucor Corporation Method of manufacturing cold rolled dual-phase steel sheet
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
CN101072675B (zh) * 2004-12-08 2013-07-17 新日铁住金株式会社 预涂金属板和预涂金属板的制造方法
DE102005014298B4 (de) * 2005-03-24 2006-11-30 Benteler Automobiltechnik Gmbh Panzerung für ein Fahrzeug
EP2679699A3 (en) * 2005-03-31 2014-08-20 Kabushiki Kaisha Kobe Seiko Sho High strength cold-rolled steel sheet and automobile components of steel having excellent properties in coating film adhesion, workability, and hydrogen embrittlement resistivity
KR20070038730A (ko) * 2005-10-06 2007-04-11 주식회사 포스코 항복비가 우수한 석출강화형 냉연강판 및 그 제조방법
DE112006003169B4 (de) * 2005-12-01 2013-03-21 Posco Stahlbleche zum Warmpressformen mit ausgezeichneten Wärmebehandlungs- und Schlageigenschaften, daraus hergestellte Warmpressteile und Verfahren zu deren Herstellung
EP1832667A1 (fr) 2006-03-07 2007-09-12 ARCELOR France Procédé de fabrication de tôles d'acier à très hautes caractéristiques de résistance, de ductilité et de tenacité, et tôles ainsi produites
KR101133870B1 (ko) * 2006-05-10 2012-04-06 수미도모 메탈 인더스트리즈, 리미티드 열간 프레스 성형 강판 부재 및 그 제조 방법
US20070267110A1 (en) * 2006-05-17 2007-11-22 Ipsco Enterprises, Inc. Method for making high-strength steel pipe, and pipe made by that method
US7608155B2 (en) * 2006-09-27 2009-10-27 Nucor Corporation High strength, hot dip coated, dual phase, steel sheet and method of manufacturing same
KR100837702B1 (ko) 2006-10-26 2008-06-13 한국전자통신연구원 위상 편이를 이용한 반송파 주파수 복원 장치 및 그 방법
KR100815709B1 (ko) 2006-12-12 2008-03-20 주식회사 포스코 내후성 및 가공성이 우수한 고강도 냉연강판과 그 제조방법
KR100815799B1 (ko) 2006-12-12 2008-03-20 주식회사 포스코 내후성이 우수한 고항복비형 냉연강판
JP5162924B2 (ja) 2007-02-28 2013-03-13 Ｊｆｅスチール株式会社 缶用鋼板およびその製造方法
WO2009048838A1 (en) 2007-10-10 2009-04-16 Nucor Corporation Complex metallographic structured steel and method of manufacturing same
KR100958002B1 (ko) * 2007-12-20 2010-05-17 주식회사 포스코 가공성이 우수한 고강도 내후성 냉연강판 및 그 제조방법
KR100925639B1 (ko) * 2007-12-24 2009-11-06 주식회사 포스코 내후성이 우수한 고강도 냉연강판 및 그 제조방법
KR100957967B1 (ko) * 2007-12-27 2010-05-17 주식회사 포스코 항복강도 이방성 특성이 우수한 고강도 냉연강판,용융아연도금강판 및 그 제조방법
US20090236068A1 (en) 2008-03-19 2009-09-24 Nucor Corporation Strip casting apparatus for rapid set and change of casting rolls
WO2009115877A1 (en) * 2008-03-19 2009-09-24 Nucor Corporation Strip casting apparatus with casting roll positioning
KR101010971B1 (ko) 2008-03-24 2011-01-26 주식회사 포스코 저온 열처리 특성을 가지는 성형용 강판, 그 제조방법,이를 이용한 부품의 제조방법 및 제조된 부품
MX2010010989A (es) * 2008-04-10 2010-12-21 Nippon Steel Corp Chapas de acero de alta resistencia que son excelentes en el equilibrio entre facilidad de trabajo en la desbastacion de metales y ductilidad, y excelentes en resistencia a la fatiga, chapas de acero recubiertas de zinc y procesos para la produccion
US20090288798A1 (en) * 2008-05-23 2009-11-26 Nucor Corporation Method and apparatus for controlling temperature of thin cast strip
KR101038826B1 (ko) 2008-09-09 2011-06-03 주식회사 포스코 내후성 및 내충격성이 우수한 고강도 열연강판 및 그 제조 방법
JP5399681B2 (ja) * 2008-10-08 2014-01-29 Ｊｆｅスチール株式会社 化成処理性に優れた高加工性高強度鋼管およびその製造方法
WO2010074458A2 (ko) * 2008-12-24 2010-07-01 주식회사 포스코 딥드로잉성이 우수하고 고항복비를 갖는 고강도 냉연강판, 이를 이용한 용융아연도금강판, 합금화 용융아연도금강판 및 이들의 제조방법
CN105154761A (zh) * 2008-12-26 2015-12-16 杰富意钢铁株式会社 焊接热影响部及母材部的耐延性破裂发生特性优良的钢材及其制造方法
KR101091306B1 (ko) * 2008-12-26 2011-12-07 주식회사 포스코 원자로 격납 용기용 고강도 강판 및 그 제조방법
KR101160001B1 (ko) * 2009-02-25 2012-06-25 현대제철 주식회사 성형성이 우수한 고강도 강판 및 그 제조방법
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EP2415894A2 (en) 2012-02-08
EP1431407A4 (en) 2006-01-04
US20080308200A1 (en) 2008-12-18
EP2415893A2 (en) 2012-02-08
CN1547620A (zh) 2004-11-17
US7776161B2 (en) 2010-08-17
EP1431407B1 (en) 2014-10-29
US20040238081A1 (en) 2004-12-02
US20080295924A1 (en) 2008-12-04
US7749343B2 (en) 2010-07-06
KR100548864B1 (ko) 2006-02-02

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