DE60335106D1 - HIGH-RESISTANT COLD-ROLLED STEEL PLATE AND MANUFACTURING METHOD THEREFOR - Google Patents

HIGH-RESISTANT COLD-ROLLED STEEL PLATE AND MANUFACTURING METHOD THEREFOR

Info

Publication number
DE60335106D1
DE60335106D1 DE60335106T DE60335106T DE60335106D1 DE 60335106 D1 DE60335106 D1 DE 60335106D1 DE 60335106 T DE60335106 T DE 60335106T DE 60335106 T DE60335106 T DE 60335106T DE 60335106 D1 DE60335106 D1 DE 60335106D1
Authority
DE
Germany
Prior art keywords
manufacturing
steel plate
rolled steel
method therefor
resistant cold
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
DE60335106T
Other languages
German (de)
Inventor
Kohei Hasegawa
Hiroshi Matsuda
Fusato Kitano
Kenji Kawamura
Hideyuki Tsurumaru
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 JP2002173669A external-priority patent/JP4265153B2/en
Priority claimed from JP2002173668A external-priority patent/JP4265152B2/en
Application filed by JFE Steel Corp filed Critical JFE Steel Corp
Application granted granted Critical
Publication of DE60335106D1 publication Critical patent/DE60335106D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C22C38/06—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
    • C22C38/02—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
    • 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
    • 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
    • C21D8/0236—Cold rolling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
DE60335106T 2002-06-14 2003-06-04 HIGH-RESISTANT COLD-ROLLED STEEL PLATE AND MANUFACTURING METHOD THEREFOR Expired - Lifetime DE60335106D1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002173669A JP4265153B2 (en) 2002-06-14 2002-06-14 High-tensile cold-rolled steel sheet with excellent elongation and stretch flangeability and method for producing the same
JP2002173668A JP4265152B2 (en) 2002-06-14 2002-06-14 High-tensile cold-rolled steel sheet with excellent elongation and stretch flangeability and method for producing the same
PCT/JP2003/007062 WO2003106723A1 (en) 2002-06-14 2003-06-04 High strength cold rolled steel plate and method for production thereof

Publications (1)

Publication Number Publication Date
DE60335106D1 true DE60335106D1 (en) 2011-01-05

Family

ID=29738398

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60335106T Expired - Lifetime DE60335106D1 (en) 2002-06-14 2003-06-04 HIGH-RESISTANT COLD-ROLLED STEEL PLATE AND MANUFACTURING METHOD THEREFOR

Country Status (4)

Country Link
US (1) US20040238082A1 (en)
EP (2) EP1514951B1 (en)
DE (1) DE60335106D1 (en)
WO (1) WO2003106723A1 (en)

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JP4530606B2 (en) * 2002-06-10 2010-08-25 Ｊｆｅスチール株式会社 Manufacturing method of ultra-high strength cold-rolled steel sheet with excellent spot weldability
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
US8337643B2 (en) 2004-11-24 2012-12-25 Nucor Corporation Hot rolled dual phase steel sheet
JP4461112B2 (en) * 2006-03-28 2010-05-12 株式会社神戸製鋼所 High strength steel plate with excellent workability
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
MX366540B (en) * 2007-02-23 2019-07-12 Tata Steel Ijmuiden Bv Cold rolled and continuously annealed high strength steel strip and method for producing said steel.
US8435363B2 (en) * 2007-10-10 2013-05-07 Nucor Corporation Complex metallographic structured high strength steel and manufacturing same
EP2455507B1 (en) * 2007-11-22 2013-06-26 Kabushiki Kaisha Kobe Seiko Sho High-strength cold-rolled steel sheet
US20090236068A1 (en) 2008-03-19 2009-09-24 Nucor Corporation Strip casting apparatus for rapid set and change of casting rolls
CN102015155B (en) * 2008-03-19 2013-11-27 纽科尔公司 Strip casting apparatus with casting roll positioning
US20090288798A1 (en) * 2008-05-23 2009-11-26 Nucor Corporation Method and apparatus for controlling temperature of thin cast strip
US8128762B2 (en) 2008-08-12 2012-03-06 Kobe Steel, Ltd. High-strength steel sheet superior in formability
JP5394709B2 (en) 2008-11-28 2014-01-22 株式会社神戸製鋼所 Super high strength steel plate with excellent hydrogen embrittlement resistance and workability
JP5709151B2 (en) * 2009-03-10 2015-04-30 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
BRPI1105244B1 (en) * 2010-01-13 2018-05-08 Nippon Steel & Sumitomo Metal Corp High tensile strength sheet steel in conformability and method of manufacture thereof
US10280475B2 (en) * 2010-12-17 2019-05-07 Nippon Steel & Sumitomo Metal Corporation Hot-dip galvanized steel sheet and manufacturing method thereof
BR112014012756B1 (en) 2011-11-28 2019-02-19 Arcelormittal Investigacion Y Desarrollo, S.L. Biphasic steel
US9534279B2 (en) * 2011-12-15 2017-01-03 Kobe Steel, Ltd. High-strength cold-rolled steel sheet having small variations in strength and ductility and manufacturing method for the same
JP5860343B2 (en) * 2012-05-29 2016-02-16 株式会社神戸製鋼所 High strength cold-rolled steel sheet with small variations in strength and ductility and method for producing the same
CN103060703B (en) 2013-01-22 2015-09-23 宝山钢铁股份有限公司 A kind of cold rolling diphasic strip steel of 780MPa level and manufacture method thereof
US10774405B2 (en) 2014-01-06 2020-09-15 Nippon Steel Corporation Steel and method of manufacturing the same
TWI491742B (en) * 2014-01-06 2015-07-11 Nippon Steel & Sumitomo Metal Corp Steel sheet and manufacturing method thereof
CN114438418A (en) 2014-01-06 2022-05-06 日本制铁株式会社 Hot-formed member and method for manufacturing same
JP5935843B2 (en) * 2014-08-08 2016-06-15 Ｊｆｅスチール株式会社 Cold-rolled steel sheet with excellent spot weldability and method for producing the same
CN113737086A (en) * 2020-05-27 2021-12-03 宝山钢铁股份有限公司 Economical 780 MPa-grade cold-rolled annealed dual-phase steel and manufacturing method thereof

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JP3729108B2 (en) * 2000-09-12 2005-12-21 Ｊｆｅスチール株式会社 Ultra-high tensile cold-rolled steel sheet and manufacturing method thereof
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CA2387322C (en) * 2001-06-06 2008-09-30 Kawasaki Steel Corporation High-ductility steel sheet excellent in press formability and strain age hardenability, and method for manufacturing the same
JP4530606B2 (en) * 2002-06-10 2010-08-25 Ｊｆｅスチール株式会社 Manufacturing method of ultra-high strength cold-rolled steel sheet with excellent spot weldability

Also Published As

Publication number Publication date
EP2017363A2 (en) 2009-01-21
EP2017363A3 (en) 2009-08-05
US20040238082A1 (en) 2004-12-02
EP1514951A1 (en) 2005-03-16
EP1514951B1 (en) 2010-11-24
WO2003106723A1 (en) 2003-12-24
EP1514951A4 (en) 2006-05-10

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