EP1514951A4 - High strength cold rolled steel plate and method for production thereof - Google Patents

High strength cold rolled steel plate and method for production thereof

Info

Publication number
EP1514951A4
EP1514951A4 EP03736017A EP03736017A EP1514951A4 EP 1514951 A4 EP1514951 A4 EP 1514951A4 EP 03736017 A EP03736017 A EP 03736017A EP 03736017 A EP03736017 A EP 03736017A EP 1514951 A4 EP1514951 A4 EP 1514951A4
Authority
EP
European Patent Office
Prior art keywords
production
steel plate
high strength
rolled steel
cold rolled
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
EP03736017A
Other languages
German (de)
French (fr)
Other versions
EP1514951A1 (en
EP1514951B1 (en
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 JP2002173668A external-priority patent/JP4265152B2/en
Priority claimed from JP2002173669A external-priority patent/JP4265153B2/en
Application filed by JFE Steel Corp filed Critical JFE Steel Corp
Priority to EP08159197A priority Critical patent/EP2017363A3/en
Publication of EP1514951A1 publication Critical patent/EP1514951A1/en
Publication of EP1514951A4 publication Critical patent/EP1514951A4/en
Application granted granted Critical
Publication of EP1514951B1 publication Critical patent/EP1514951B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
EP03736017A 2002-06-14 2003-06-04 High strength cold rolled steel plate and method for production thereof Expired - Fee Related EP1514951B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08159197A EP2017363A3 (en) 2002-06-14 2003-06-04 High strength cold-rolled steel sheet and method for manufacturing the same

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2002173668 2002-06-14
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
JP2002173669 2002-06-14
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
PCT/JP2003/007062 WO2003106723A1 (en) 2002-06-14 2003-06-04 High strength cold rolled steel plate and method for production thereof

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP08159197A Division EP2017363A3 (en) 2002-06-14 2003-06-04 High strength cold-rolled steel sheet and method for manufacturing the same
EP08159197.6 Division-Into 2008-06-27

Publications (3)

Publication Number Publication Date
EP1514951A1 EP1514951A1 (en) 2005-03-16
EP1514951A4 true EP1514951A4 (en) 2006-05-10
EP1514951B1 EP1514951B1 (en) 2010-11-24

Family

ID=29738398

Family Applications (2)

Application Number Title Priority Date Filing Date
EP03736017A Expired - Fee Related EP1514951B1 (en) 2002-06-14 2003-06-04 High strength cold rolled steel plate and method for production thereof
EP08159197A Withdrawn EP2017363A3 (en) 2002-06-14 2003-06-04 High strength cold-rolled steel sheet and method for manufacturing the same

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP08159197A Withdrawn EP2017363A3 (en) 2002-06-14 2003-06-04 High strength cold-rolled steel sheet and method for manufacturing the same

Country Status (4)

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

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US8337643B2 (en) * 2004-11-24 2012-12-25 Nucor Corporation Hot rolled dual phase steel sheet
US7442268B2 (en) * 2004-11-24 2008-10-28 Nucor Corporation Method of manufacturing cold 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
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
JP5586007B2 (en) * 2007-02-23 2014-09-10 タタ、スティール、アイモイデン、ベスローテン、フェンノートシャップ Cold rolled and continuously annealed high strength steel strip and method for producing the steel
BRPI0818530A2 (en) 2007-10-10 2015-06-16 Nucor Corp Cold rolled steel of complex metallographic structure and method of fabricating a steel sheet of complex metallographic structure
EP2216422B1 (en) * 2007-11-22 2012-09-12 Kabushiki Kaisha Kobe Seiko Sho High-strength cold-rolled steel sheet
RU2491149C2 (en) * 2008-03-19 2013-08-27 Ньюкор Корпорейшн Strip casting device with positioning of casting rolls
US20090236068A1 (en) 2008-03-19 2009-09-24 Nucor Corporation Strip casting apparatus for rapid set and change of casting rolls
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
MX2012004650A (en) * 2010-01-13 2012-05-08 Nippon Steel Corp High-strength steel plate having excellent formability, and production method for same.
ES2718492T3 (en) * 2010-12-17 2019-07-02 Hot dipped galvanized steel sheet and manufacturing method
WO2013082171A1 (en) * 2011-11-28 2013-06-06 Arcelormittallnvestigacion Y Desarrollo S.L. High silicon bearing dual phase steels with improved ductility
WO2013089095A1 (en) * 2011-12-15 2013-06-20 株式会社神戸製鋼所 High-strength cold-rolled steel sheet having small variations in strength and ductility, and method for producing 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
CA2935308C (en) 2014-01-06 2018-09-25 Nippon Steel & Sumitomo Metal Corporation Hot-formed member and manufacturing method of same
TWI491742B (en) * 2014-01-06 2015-07-11 Nippon Steel & Sumitomo Metal Corp Steel sheet and manufacturing method thereof
KR101821913B1 (en) 2014-01-06 2018-03-08 신닛테츠스미킨 카부시키카이샤 Steel material and process for producing 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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04333524A (en) * 1991-05-09 1992-11-20 Nippon Steel Corp Production of high strength dual-phase steel sheet having superior ductility
JPH10147838A (en) * 1996-11-18 1998-06-02 Kobe Steel Ltd High strength steel sheet excellent in impact resistance, and its production
EP1201780A1 (en) * 2000-04-21 2002-05-02 Nippon Steel Corporation Steel plate having excellent burring workability together with high fatigue strength, and method for producing the same
JP2002161336A (en) * 2000-09-12 2002-06-04 Nkk Corp Super high tensile-strength cold-rolled steel sheet and manufacturing method therefor

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JPS5215046B2 (en) * 1972-06-22 1977-04-26
JPS5855219B2 (en) 1979-04-24 1983-12-08 日本鋼管株式会社 Manufacturing method of low yield ratio high strength cold rolled steel sheet
JPH0768583B2 (en) 1984-03-07 1995-07-26 住友金属工業株式会社 High-tensile cold-rolled steel sheet manufacturing method
JPS613843A (en) 1984-06-15 1986-01-09 Kobe Steel Ltd Manufacture of high ductility and high strength cold rolled steel sheet
JPS6237322A (en) 1985-08-12 1987-02-18 Nisshin Steel Co Ltd Production of low yield ratio cold rolled high tensile steel plate having excellent surface characteristic and bendability
JPS6299417A (en) 1985-10-24 1987-05-08 Kobe Steel Ltd Manufacture of high ductility and strength cold rolled steel sheet
JPS63145718A (en) 1986-07-05 1988-06-17 Nippon Steel Corp Production of ultra-high-strength cold rolled steel sheet having excellent workability
JPH0774412B2 (en) 1987-01-20 1995-08-09 新日本製鐵株式会社 High-strength thin steel sheet excellent in workability and resistance to placement cracking and method for producing the same
JPH0759726B2 (en) * 1987-05-25 1995-06-28 株式会社神戸製鋼所 Method for manufacturing high strength cold rolled steel sheet with excellent local ductility
JPH0830212B2 (en) 1990-08-08 1996-03-27 日本鋼管株式会社 Manufacturing method of ultra high strength cold rolled steel sheet with excellent workability
JP2545316B2 (en) 1991-10-30 1996-10-16 新日本製鐵株式会社 Method for manufacturing high strength cold rolled steel sheet with excellent strength and ductility characteristics
DE4420932A1 (en) 1994-06-16 1996-01-11 Basf Ag Spinel catalyst to reduce nitrogen oxide content of exhaust gas
JP3370436B2 (en) * 1994-06-21 2003-01-27 川崎製鉄株式会社 Automotive steel sheet excellent in impact resistance and method of manufacturing the same
JPH0941040A (en) 1995-08-04 1997-02-10 Kobe Steel Ltd Production of high strength cold rolled steel sheet excellent in strength-flanging property
JPH09263838A (en) 1996-03-28 1997-10-07 Kobe Steel Ltd Production of high strength cold rolled steel sheet excellent in stretch-flange formability
JPH1060593A (en) 1996-06-10 1998-03-03 Kobe Steel Ltd High strength cold rolled steel sheet excellent in balance between strength and elongation-flanging formability, and its production
JP3478128B2 (en) 1998-06-12 2003-12-15 Ｊｆｅスチール株式会社 Method for producing composite structure type high tensile cold rolled steel sheet excellent in ductility and stretch flangeability
JP3793350B2 (en) * 1998-06-29 2006-07-05 新日本製鐵株式会社 Dual-phase high-strength cold-rolled steel sheet with excellent dynamic deformation characteristics and manufacturing method thereof
ATE490349T1 (en) * 1999-09-29 2010-12-15 Jfe Steel Corp STEEL SHEET AND METHOD FOR THE PRODUCTION THEREOF
JP2001226741A (en) 2000-02-15 2001-08-21 Kawasaki Steel Corp High strength cold rolled steel sheet excellent in stretch flanging workability and producing method therefor
AU780588B2 (en) * 2000-04-07 2005-04-07 Jfe Steel Corporation Hot rolled steel plate, cold rolled steel plate and hot dip galvanized steel plate being excellent in strain aging hardening characteristics, and method for their production
JP4414563B2 (en) 2000-06-12 2010-02-10 新日本製鐵株式会社 High-strength steel sheet excellent in formability and hole expansibility and method for producing the same
WO2002022904A1 (en) * 2000-09-12 2002-03-21 Nkk Corporation Super high tensile cold-rolled steel plate and method for production thereof
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04333524A (en) * 1991-05-09 1992-11-20 Nippon Steel Corp Production of high strength dual-phase steel sheet having superior ductility
JPH10147838A (en) * 1996-11-18 1998-06-02 Kobe Steel Ltd High strength steel sheet excellent in impact resistance, and its production
EP1201780A1 (en) * 2000-04-21 2002-05-02 Nippon Steel Corporation Steel plate having excellent burring workability together with high fatigue strength, and method for producing the same
JP2002161336A (en) * 2000-09-12 2002-06-04 Nkk Corp Super high tensile-strength cold-rolled steel sheet and manufacturing method therefor

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 017, no. 176 (C - 1045) 6 April 1993 (1993-04-06) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 11 30 September 1998 (1998-09-30) *
PATENT ABSTRACTS OF JAPAN vol. 2002, no. 10 10 October 2002 (2002-10-10) *
See also references of WO03106723A1 *

Also Published As

Publication number Publication date
US20040238082A1 (en) 2004-12-02
EP1514951A1 (en) 2005-03-16
EP2017363A3 (en) 2009-08-05
WO2003106723A1 (en) 2003-12-24
EP1514951B1 (en) 2010-11-24
DE60335106D1 (en) 2011-01-05
EP2017363A2 (en) 2009-01-21

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