CA2657587A1 - Plaque d'acier a haute resistance presentant des caracteristiques de deformabilite de bordage par etirage et de resistance a la fatigue superieures - Google Patents

Plaque d'acier a haute resistance presentant des caracteristiques de deformabilite de bordage par etirage et de resistance a la fatigue superieures Download PDF

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Publication number
CA2657587A1
CA2657587A1 CA002657587A CA2657587A CA2657587A1 CA 2657587 A1 CA2657587 A1 CA 2657587A1 CA 002657587 A CA002657587 A CA 002657587A CA 2657587 A CA2657587 A CA 2657587A CA 2657587 A1 CA2657587 A1 CA 2657587A1
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CA
Canada
Prior art keywords
steel plate
inclusions
less
mns
fatigue characteristics
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
CA002657587A
Other languages
English (en)
Other versions
CA2657587C (fr
Inventor
Katsuhiro Sasai
Wataru Ohashi
Kenichi Yamamoto
Kaoru Kawasaki
Hiroshi Harada
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
Individual
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 JP2006193893A external-priority patent/JP4901346B2/ja
Application filed by Individual filed Critical Individual
Publication of CA2657587A1 publication Critical patent/CA2657587A1/fr
Application granted granted Critical
Publication of CA2657587C publication Critical patent/CA2657587C/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for drawing, e.g. for deep-drawing
    • C21D8/0421—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for drawing, e.g. 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
    • 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
    • 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
    • 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
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • 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
    • 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

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)
CA2657587A 2006-07-14 2007-03-02 Plaque d'acier a haute resistance presentant des caracteristiques de deformabilite de bordage par etirage et de resistance a la fatigue superieures Expired - Fee Related CA2657587C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006193893A JP4901346B2 (ja) 2005-11-07 2006-07-14 伸びフランジ性と疲労特性に優れた高強度鋼板
JP2006-193893 2006-07-14
PCT/JP2007/054614 WO2008007477A1 (fr) 2006-07-14 2007-03-02 Feuille d'acier à haute résistance excellente en termes d'aptitude à l'étirement des bordures et de tenue à la fatigue

Publications (2)

Publication Number Publication Date
CA2657587A1 true CA2657587A1 (fr) 2008-01-17
CA2657587C CA2657587C (fr) 2013-11-26

Family

ID=38923047

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2657587A Expired - Fee Related CA2657587C (fr) 2006-07-14 2007-03-02 Plaque d'acier a haute resistance presentant des caracteristiques de deformabilite de bordage par etirage et de resistance a la fatigue superieures

Country Status (8)

Country Link
US (1) US20090317285A1 (fr)
EP (1) EP2048254B1 (fr)
KR (1) KR20090018167A (fr)
CN (1) CN101490295B (fr)
AU (1) AU2007273767B2 (fr)
CA (1) CA2657587C (fr)
TW (1) TWI424069B (fr)
WO (1) WO2008007477A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4431185B2 (ja) 2008-06-13 2010-03-10 新日本製鐵株式会社 伸びフランジ性と疲労特性に優れた高強度鋼板およびその溶鋼の溶製方法
JP4659142B2 (ja) * 2009-03-27 2011-03-30 新日本製鐵株式会社 浸炭焼入れ性の優れた炭素鋼板およびその製造方法
CN102892910B (zh) * 2010-05-10 2016-11-16 新日铁住金株式会社 高强度钢板及其制造方法
JP5765080B2 (ja) * 2010-06-25 2015-08-19 Ｊｆｅスチール株式会社 伸びフランジ性に優れた高強度熱延鋼板およびその製造方法
US9617626B2 (en) 2011-02-24 2017-04-11 Nippon Steel & Sumitomo Metal Corporation High-strength steel sheet exhibiting excellent stretch-flange formability and bending workability, and method of producing molten steel for the high-strength steel sheet
MX352397B (es) * 2011-07-29 2017-11-23 Nippon Steel & Sumitomo Metal Corp Lamina de acero de alta resistencia y lamina de acero galvanizada de alta resistencia excelentes en moldeabilidad y metodos de produccion de las mismas.
US10870901B2 (en) * 2015-09-22 2020-12-22 Tata Steel Ijmuiden B.V. Hot-rolled high-strength roll-formable steel sheet with excellent stretch-flange formability and a method of producing said steel
CN107400824A (zh) * 2016-05-18 2017-11-28 鞍钢股份有限公司 一种延伸凸缘性优异的高强度汽车车轮用钢及其生产方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2287519A1 (fr) * 1974-10-07 1976-05-07 Kobe Steel Ltd Acier structural de bonne aptitude au soudage avec grand apport de chaleur et son procede de fabrication
JP3619359B2 (ja) 1998-01-19 2005-02-09 新日本製鐵株式会社 疲労特性に優れた複合組織高強度冷延鋼板およびその製造方法
JP4258934B2 (ja) 2000-01-17 2009-04-30 Ｊｆｅスチール株式会社 加工性と疲労特性に優れた高強度熱延鋼板およびその製造方法
JP3650601B2 (ja) * 2001-12-07 2005-05-25 新日本製鐵株式会社 伸びフランジ性と疲労特性に優れた高強度熱延鋼板およびその製造方法
JP4430284B2 (ja) * 2002-07-23 2010-03-10 新日本製鐵株式会社 アルミナクラスターの少ない鋼材
JP4050991B2 (ja) * 2003-02-28 2008-02-20 新日本製鐵株式会社 伸びフランジ成形性に優れた高強度鋼板およびその製造方法
JP4105974B2 (ja) * 2003-04-16 2008-06-25 新日本製鐵株式会社 打ち抜き端面の疲労特性と伸びフランジ性に優れた高強度熱延鋼板およびその製造方法
JP2005256115A (ja) * 2004-03-12 2005-09-22 Nippon Steel Corp 伸びフランジ性と疲労特性に優れた高強度熱延鋼板
JP4862266B2 (ja) * 2004-03-25 2012-01-25 Ｊｆｅスチール株式会社 厚肉低降伏比高張力鋼板の製造方法
JP4268559B2 (ja) * 2004-04-23 2009-05-27 新日本製鐵株式会社 伸びフランジ性に優れた高強度鋼板
JP4291761B2 (ja) * 2004-08-31 2009-07-08 新日本製鐵株式会社 伸びフランジ性と疲労特性に優れた高強度熱延鋼板

Also Published As

Publication number Publication date
CA2657587C (fr) 2013-11-26
EP2048254B1 (fr) 2020-08-19
US20090317285A1 (en) 2009-12-24
CN101490295A (zh) 2009-07-22
CN101490295B (zh) 2012-09-19
EP2048254A4 (fr) 2012-11-07
KR20090018167A (ko) 2009-02-19
TW200804607A (en) 2008-01-16
EP2048254A1 (fr) 2009-04-15
TWI424069B (zh) 2014-01-21
AU2007273767A1 (en) 2008-01-17
WO2008007477A1 (fr) 2008-01-17
AU2007273767B2 (en) 2010-08-12

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