EP1937853A4 - Bake-hardenable cold rolled steel sheet with superior strength and aging resistance, gal- vannealed steel sheet using the cold rolled steel sheet and method for manufacturing the cold rolled steel sheet - Google Patents

Bake-hardenable cold rolled steel sheet with superior strength and aging resistance, gal- vannealed steel sheet using the cold rolled steel sheet and method for manufacturing the cold rolled steel sheet

Info

Publication number
EP1937853A4
EP1937853A4 EP06798860A EP06798860A EP1937853A4 EP 1937853 A4 EP1937853 A4 EP 1937853A4 EP 06798860 A EP06798860 A EP 06798860A EP 06798860 A EP06798860 A EP 06798860A EP 1937853 A4 EP1937853 A4 EP 1937853A4
Authority
EP
European Patent Office
Prior art keywords
steel sheet
cold rolled
rolled steel
vannealed
gal
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
EP06798860A
Other languages
German (de)
French (fr)
Other versions
EP1937853A1 (en
EP1937853B1 (en
Inventor
Seong-Ho Han
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.)
Posco Holdings Inc
Original Assignee
Posco Co 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
Application filed by Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP1937853A1 publication Critical patent/EP1937853A1/en
Publication of EP1937853A4 publication Critical patent/EP1937853A4/en
Application granted granted Critical
Publication of EP1937853B1 publication Critical patent/EP1937853B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • 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
    • 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
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire
    • 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

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)
EP06798860.0A 2005-09-23 2006-09-22 Bake-hardenable cold rolled steel sheet with superior strength and aging resistance method for manufacturing the cold rolled steel sheet Active EP1937853B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020050088518A KR100685037B1 (en) 2005-09-23 2005-09-23 Bake-hardenable cold rolled steel sheet with superior strength and aging resistance, galvannealed steel sheet using the cold rolled steel sheet and method for manufacturing the cold rolled steel sheet
PCT/KR2006/003777 WO2007035059A1 (en) 2005-09-23 2006-09-22 Bake-hardenable cold rolled steel sheet with superior strength and aging resistance, gal- vannealed steel sheet using the cold rolled steel sheet and method for manufacturing the cold rolled steel sheet

Publications (3)

Publication Number Publication Date
EP1937853A1 EP1937853A1 (en) 2008-07-02
EP1937853A4 true EP1937853A4 (en) 2011-10-19
EP1937853B1 EP1937853B1 (en) 2013-12-25

Family

ID=37889065

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06798860.0A Active EP1937853B1 (en) 2005-09-23 2006-09-22 Bake-hardenable cold rolled steel sheet with superior strength and aging resistance method for manufacturing the cold rolled steel sheet

Country Status (6)

Country Link
US (1) US20080251168A1 (en)
EP (1) EP1937853B1 (en)
JP (1) JP4834733B2 (en)
KR (1) KR100685037B1 (en)
CN (1) CN101310031B (en)
WO (1) WO2007035059A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101105040B1 (en) 2008-06-23 2012-01-16 주식회사 포스코 Bake Hardened Steel with Excellent Surface Properties and Secondary Working Embrittlement Resistance and Manufacturing Method Thereof
WO2009157661A2 (en) * 2008-06-23 2009-12-30 주식회사 포스코 Bake hardening steel with excellent surface properties and resistance to secondary work embrittlement, and preparation method thereof
KR101348857B1 (en) 2010-11-29 2014-01-07 신닛테츠스미킨 카부시키카이샤 High-strength bake-hardening cold-rolled steel sheet and method for manufacturing same
CN103842541B (en) 2011-09-30 2016-03-30 新日铁住金株式会社 The high-strength hot-dip galvanized steel sheet of excellent in baking hardenability, high-strength and high-ductility galvannealed steel sheet and their manufacture method
JP5310919B2 (en) * 2011-12-08 2013-10-09 Ｊｆｅスチール株式会社 Method for producing high-strength cold-rolled steel sheets with excellent aging resistance and seizure curability
CN103014613B (en) * 2012-12-31 2015-07-29 上海大学 The method of thermodiffusion continuous production stalloy and stalloy tandem rolling device thereof
CN103667649B (en) * 2013-10-08 2015-10-21 首钢京唐钢铁联合有限责任公司 Nb-treated hot-galvanized ultra-low carbon bake-hardening steel plate and manufacturing method thereof
KR101657793B1 (en) * 2014-12-11 2016-09-20 주식회사 포스코 Bake hardening steel sheet having excellent drawability and method for manufacturing thereof
KR101676194B1 (en) * 2015-11-13 2016-11-15 주식회사 포스코 High Strength Blackplate Having Excellent Flangeability And Method For Manufacturing The Same
US20200087761A1 (en) * 2016-10-17 2020-03-19 Tata Steel Ijmuiden B.V. Steel substrate for painted parts
CN109844159B (en) 2016-10-17 2021-09-07 塔塔钢铁艾默伊登有限责任公司 Steel for painted parts
CN109321839B (en) * 2018-10-24 2021-01-26 首钢京唐钢铁联合有限责任公司 240 MPa-grade bake-hardening steel and manufacturing method thereof
WO2020142110A1 (en) * 2018-12-31 2020-07-09 Intel Corporation Securing systems employing artificial intelligence
KR20230072728A (en) 2021-11-18 2023-05-25 주식회사 포스코 Bake hardening cold rolled steel sheet, hot dip galvannealed steel sheet having less anisotropy and excellent coated surface quality and method for manufacturing thereof
CN114959427A (en) * 2022-05-18 2022-08-30 包头钢铁（集团）有限责任公司 Manufacturing method of 180 MPa-grade ultra-low carbon baking hardened steel for automobile

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10130733A (en) * 1996-10-22 1998-05-19 Kawasaki Steel Corp Production of steel sheet high in baking hardenability and small in aging deterioration
JPH11199991A (en) * 1998-01-06 1999-07-27 Kawasaki Steel Corp Steel sheet for can excellent in aging resistance and baking hardenability and its production
JP2003253378A (en) * 2002-02-27 2003-09-10 Nippon Steel Corp Thin steel sheet superior in cold delayed aging property and bake hardening property
KR20050070305A (en) * 2003-12-30 2005-07-07 주식회사 포스코 Bake hardenable cold rolled steel sheet with improved aging property and secondary working embrittlement, and manufacturing method thereof
WO2006001583A1 (en) * 2004-03-25 2006-01-05 Posco Cold rolled steel sheet and hot dipped steel sheet with superior strength and bake hardenability and method for manufacturing the steel sheets

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0681121A (en) * 1992-09-02 1994-03-22 Kawasaki Steel Corp Baking hardening type hot-dip galvanized steel sheet having delayed aging characteristic at ordinary temperature
US5556485A (en) * 1994-11-07 1996-09-17 Bethlehem Steel Corporation Bake hardenable vanadium containing steel and method of making thereof
US5656102A (en) * 1996-02-27 1997-08-12 Bethlehem Steel Corporation Bake hardenable vanadium containing steel and method thereof
JP2000256786A (en) 1999-03-11 2000-09-19 Nippon Steel Corp Cold rolled steel sheet minimal in inplane anisotropy and excellent in baking hardenability and aging resistance
JP3596398B2 (en) * 2000-01-18 2004-12-02 Ｊｆｅスチール株式会社 Manufacturing method of cold rolled steel sheet with excellent bake hardenability and normal temperature aging resistance
JP3855678B2 (en) * 2000-04-28 2006-12-13 住友金属工業株式会社 Manufacturing method of thin steel sheet with excellent room temperature aging resistance, workability, and paint bake hardenability
BR0210265B1 (en) * 2001-06-06 2013-04-09 Hot-dip galvanized or galvanized steel sheet.
CN1169991C (en) * 2001-10-19 2004-10-06 住友金属工业株式会社 Thin steel plate with good machining performance and formed precision and its mfg. method
JP2003268490A (en) 2002-03-14 2003-09-25 Jfe Steel Kk Thin steel sheet for working excellent in bake hardenability and aging resistance and its production method
CN1273632C (en) * 2002-06-28 2006-09-06 Posco公司 Super formable high strength steel sheet and method of manufacturing thereof
JP4176403B2 (en) * 2002-07-11 2008-11-05 Ｊｆｅスチール株式会社 Thin steel sheet for processing with excellent low-temperature bake hardenability and aging resistance
KR100946064B1 (en) * 2002-12-18 2010-03-10 주식회사 포스코 Method for manufacturing high strength cold rolled steel sheets with baking hardening property having excellent strain aging resistance at room temperature
KR100946067B1 (en) * 2002-12-27 2010-03-10 주식회사 포스코 Preparing method of baked hardening cold rolled steel sheet for hot dipping having good anti-aging property
KR100564885B1 (en) * 2003-12-30 2006-03-30 주식회사 포스코 Bake Hardenable Cold Rolled Steel Sheet With Improved Aging Property And Bake Hardenability, And Manufacturing Method Thereof
KR20050095537A (en) * 2004-03-25 2005-09-29 주식회사 포스코 Cold rolled steel sheet and hot dipped steel sheet with superior strength and bake hardenability and method for manufacturing the steel sheets

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10130733A (en) * 1996-10-22 1998-05-19 Kawasaki Steel Corp Production of steel sheet high in baking hardenability and small in aging deterioration
JPH11199991A (en) * 1998-01-06 1999-07-27 Kawasaki Steel Corp Steel sheet for can excellent in aging resistance and baking hardenability and its production
JP2003253378A (en) * 2002-02-27 2003-09-10 Nippon Steel Corp Thin steel sheet superior in cold delayed aging property and bake hardening property
KR20050070305A (en) * 2003-12-30 2005-07-07 주식회사 포스코 Bake hardenable cold rolled steel sheet with improved aging property and secondary working embrittlement, and manufacturing method thereof
WO2006001583A1 (en) * 2004-03-25 2006-01-05 Posco Cold rolled steel sheet and hot dipped steel sheet with superior strength and bake hardenability and method for manufacturing the steel sheets

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2007035059A1 *

Also Published As

Publication number Publication date
CN101310031A (en) 2008-11-19
JP2009509046A (en) 2009-03-05
JP4834733B2 (en) 2011-12-14
US20080251168A1 (en) 2008-10-16
KR100685037B1 (en) 2007-02-20
EP1937853A1 (en) 2008-07-02
CN101310031B (en) 2010-12-29
WO2007035059A1 (en) 2007-03-29
EP1937853B1 (en) 2013-12-25

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