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DE60334761D1 - Stahlblech mit Dualphasen-Gefüge und guten Einbrennhärtbarkeit-Eigenschaften - Google Patents

Stahlblech mit Dualphasen-Gefüge und guten Einbrennhärtbarkeit-Eigenschaften

Info

Publication number
DE60334761D1
DE60334761D1 DE60334761T DE60334761T DE60334761D1 DE 60334761 D1 DE60334761 D1 DE 60334761D1 DE 60334761 T DE60334761 T DE 60334761T DE 60334761 T DE60334761 T DE 60334761T DE 60334761 D1 DE60334761 D1 DE 60334761D1
Authority
DE
Germany
Prior art keywords
sheet steel
phase structure
dual phase
bake hardenability
good bake
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.)
Expired - Lifetime
Application number
DE60334761T
Other languages
English (en)
Inventor
Shushi Ikeda
Hiroshi Akamizu
Koichi Makii
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=31185190&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE60334761(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd
Application granted granted Critical
Publication of DE60334761D1 publication Critical patent/DE60334761D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/20—Isothermal quenching, e.g. bainitic hardening
    • 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
    • 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
    • C21D8/0447—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 heat treatment
    • C21D8/0473—Final recrystallisation annealing
    • 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
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/002—Bainite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
DE60334761T 2002-08-20 2003-08-14 Stahlblech mit Dualphasen-Gefüge und guten Einbrennhärtbarkeit-Eigenschaften Expired - Lifetime DE60334761D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002239816A JP3764411B2 (ja) 2002-08-20 2002-08-20 焼付硬化性に優れた複合組織鋼板

Publications (1)

Publication Number Publication Date
DE60334761D1 true DE60334761D1 (de) 2010-12-16

Family

ID=31185190

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60334761T Expired - Lifetime DE60334761D1 (de) 2002-08-20 2003-08-14 Stahlblech mit Dualphasen-Gefüge und guten Einbrennhärtbarkeit-Eigenschaften

Country Status (4)

Country Link
US (2) US20040035500A1 (de)
EP (1) EP1391526B2 (de)
JP (1) JP3764411B2 (de)
DE (1) DE60334761D1 (de)

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JP3764411B2 (ja) * 2002-08-20 2006-04-05 株式会社神戸製鋼所 焼付硬化性に優れた複合組織鋼板
US7314532B2 (en) * 2003-03-26 2008-01-01 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) High-strength forged parts having high reduction of area and method for producing same
EP1512760B1 (de) * 2003-08-29 2011-09-28 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Hohes Stahlblech der Dehnfestigkeit ausgezeichnet für die Verarbeitung und Proze für die Produktion desselben
US20050150580A1 (en) * 2004-01-09 2005-07-14 Kabushiki Kaisha Kobe Seiko Sho(Kobe Steel, Ltd.) Ultra-high strength steel sheet having excellent hydrogen embrittlement resistance, and method for manufacturing the same
EP1559798B1 (de) * 2004-01-28 2016-11-02 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Hochfestes kaltgewalztes Stahlblech mit niedrigem Streckgrenzenverhältnis und Verfahren zu seiner Herstellung
ATE426686T1 (de) * 2004-04-22 2009-04-15 Kobe Steel Ltd Hochfestes und kaltgewaltzes stahlblech mit hervorragender verformbarkeit und plattiertes stahlblech
US7442268B2 (en) * 2004-11-24 2008-10-28 Nucor Corporation Method of manufacturing cold rolled dual-phase steel sheet
US7959747B2 (en) * 2004-11-24 2011-06-14 Nucor Corporation Method of making cold rolled dual phase steel sheet
US8337643B2 (en) * 2004-11-24 2012-12-25 Nucor Corporation Hot rolled dual phase steel sheet
JP4288364B2 (ja) * 2004-12-21 2009-07-01 株式会社神戸製鋼所 伸びおよび伸びフランジ性に優れる複合組織冷延鋼板
JP4555694B2 (ja) * 2005-01-18 2010-10-06 新日本製鐵株式会社 加工性に優れる焼付け硬化型熱延鋼板およびその製造方法
JP4716359B2 (ja) * 2005-03-30 2011-07-06 株式会社神戸製鋼所 均一伸びに優れた高強度冷延鋼板およびその製造方法
JP4716358B2 (ja) * 2005-03-30 2011-07-06 株式会社神戸製鋼所 強度と加工性のバランスに優れた高強度冷延鋼板およびめっき鋼板
CN101120114B (zh) 2005-03-31 2013-11-06 株式会社神户制钢所 涂膜附着性、加工性及耐氢脆化特性优异的高强度冷轧钢板和机动车用钢零件
DE102005051052A1 (de) * 2005-10-25 2007-04-26 Sms Demag Ag Verfahren zur Herstellung von Warmband mit Mehrphasengefüge
DE102005058658A1 (de) * 2005-12-07 2007-06-14 Kermi Gmbh Verfahren zur Wanddickenreduzierung von Stahlheizkörpern
JP5040197B2 (ja) 2006-07-10 2012-10-03 Ｊｆｅスチール株式会社 加工性に優れ、かつ熱処理後の強度靭性に優れた熱延薄鋼板およびその製造方法
US7608155B2 (en) * 2006-09-27 2009-10-27 Nucor Corporation High strength, hot dip coated, dual phase, steel sheet and method of manufacturing same
US11155902B2 (en) 2006-09-27 2021-10-26 Nucor Corporation High strength, hot dip coated, dual phase, steel sheet and method of manufacturing same
JP4688782B2 (ja) * 2006-12-11 2011-05-25 株式会社神戸製鋼所 焼付硬化用高強度鋼板およびその製造方法
CA2701903C (en) * 2007-10-10 2017-02-28 Nucor Corporation Complex metallographic structured steel and method of manufacturing same
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CN103215491A (zh) * 2013-02-01 2013-07-24 河北联合大学 一种利用合金元素配分制备碳硅锰系q&p钢的方法
KR101657845B1 (ko) 2014-12-26 2016-09-20 주식회사 포스코 박슬라브 표면 품질이 우수한 고강도 냉연강판 및 그 제조방법
KR101657847B1 (ko) 2014-12-26 2016-09-20 주식회사 포스코 박슬라브 표면 품질, 용접성 및 굽힘가공성이 우수한 고강도 냉연강판 및 그 제조방법
ES2818195T5 (es) † 2015-12-15 2023-11-30 Tata Steel Ijmuiden Bv Tira de acero galvanizado por inmersión en caliente de alta resistencia
KR102119332B1 (ko) 2016-02-10 2020-06-04 제이에프이 스틸 가부시키가이샤 고강도 강판 및 그 제조 방법
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CN105925887B (zh) 2016-06-21 2018-01-30 宝山钢铁股份有限公司 一种980MPa级热轧铁素体贝氏体双相钢及其制造方法
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JP3750789B2 (ja) * 1999-11-19 2006-03-01 株式会社神戸製鋼所 延性に優れる溶融亜鉛めっき鋼板およびその製造方法
JP3738645B2 (ja) 2000-03-17 2006-01-25 住友金属工業株式会社 電気めっき密着性および延性に優れた高張力冷延鋼板およびその製造方法
US6589369B2 (en) * 2000-04-21 2003-07-08 Nippon Steel Corporation High fatigue strength steel sheet excellent in burring workability and method for producing the same
JP4524850B2 (ja) * 2000-04-27 2010-08-18 Ｊｆｅスチール株式会社 延性および歪時効硬化特性に優れた高張力冷延鋼板および高張力冷延鋼板の製造方法
JP3990553B2 (ja) 2000-08-03 2007-10-17 新日本製鐵株式会社 形状凍結性に優れた高伸びフランジ性鋼板およびその製造方法
JP3887159B2 (ja) 2000-10-04 2007-02-28 新日本製鐵株式会社 低サイクル疲労強度に優れる高延性熱延鋼板およびその製造方法
FR2830260B1 (fr) 2001-10-03 2007-02-23 Kobe Steel Ltd Tole d'acier a double phase a excellente formabilite de bords par etirage et procede de fabrication de celle-ci
JP3764411B2 (ja) 2002-08-20 2006-04-05 株式会社神戸製鋼所 焼付硬化性に優れた複合組織鋼板
EP1512760B1 (de) 2003-08-29 2011-09-28 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Hohes Stahlblech der Dehnfestigkeit ausgezeichnet für die Verarbeitung und Proze für die Produktion desselben
US20050150580A1 (en) 2004-01-09 2005-07-14 Kabushiki Kaisha Kobe Seiko Sho(Kobe Steel, Ltd.) Ultra-high strength steel sheet having excellent hydrogen embrittlement resistance, and method for manufacturing the same
EP1559798B1 (de) 2004-01-28 2016-11-02 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Hochfestes kaltgewalztes Stahlblech mit niedrigem Streckgrenzenverhältnis und Verfahren zu seiner Herstellung
ATE426686T1 (de) 2004-04-22 2009-04-15 Kobe Steel Ltd Hochfestes und kaltgewaltzes stahlblech mit hervorragender verformbarkeit und plattiertes stahlblech
CA2531616A1 (en) 2004-12-28 2006-06-28 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) High strength thin steel sheet having high hydrogen embrittlement resisting property and high workability
CA2531615A1 (en) 2004-12-28 2006-06-28 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) High strength thin steel sheet having high hydrogen embrittlement resisting property
JP4716358B2 (ja) 2005-03-30 2011-07-06 株式会社神戸製鋼所 強度と加工性のバランスに優れた高強度冷延鋼板およびめっき鋼板
JP4716359B2 (ja) 2005-03-30 2011-07-06 株式会社神戸製鋼所 均一伸びに優れた高強度冷延鋼板およびその製造方法

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US20040035500A1 (en) 2004-02-26
EP1391526A3 (de) 2004-04-21
US20090242085A1 (en) 2009-10-01
EP1391526B1 (de) 2010-11-03
JP3764411B2 (ja) 2006-04-05
EP1391526A2 (de) 2004-02-25
US9194015B2 (en) 2015-11-24
EP1391526B2 (de) 2014-06-04

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