EP1704261A4 - Bake-hardenable cold rolled steel sheet having excellent formability, and method of manufacturing the same - Google Patents

Bake-hardenable cold rolled steel sheet having excellent formability, and method of manufacturing the same

Info

Publication number
EP1704261A4
EP1704261A4 EP04808506A EP04808506A EP1704261A4 EP 1704261 A4 EP1704261 A4 EP 1704261A4 EP 04808506 A EP04808506 A EP 04808506A EP 04808506 A EP04808506 A EP 04808506A EP 1704261 A4 EP1704261 A4 EP 1704261A4
Authority
EP
European Patent Office
Prior art keywords
bake
manufacturing
steel sheet
same
rolled steel
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
EP04808506A
Other languages
German (de)
French (fr)
Other versions
EP1704261A1 (en
EP1704261B1 (en
Inventor
Jeong-Bong Yoon
Won-Ho Son
Ki-Bong Kang
Noi-Ha Cho
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
Priority claimed from KR1020030095394A external-priority patent/KR101105132B1/en
Priority claimed from KR1020030095393A external-priority patent/KR101105007B1/en
Priority claimed from KR1020030095395A external-priority patent/KR101104981B1/en
Priority claimed from KR1020030099350A external-priority patent/KR101105098B1/en
Priority claimed from KR1020030099351A external-priority patent/KR101105025B1/en
Priority claimed from KR1020040071395A external-priority patent/KR101115709B1/en
Priority claimed from KR1020040071705A external-priority patent/KR101115763B1/en
Priority claimed from KR1020040084297A external-priority patent/KR101115842B1/en
Application filed by Posco Co Ltd filed Critical Posco Co Ltd
Priority claimed from PCT/KR2004/003375 external-priority patent/WO2005061748A1/en
Publication of EP1704261A1 publication Critical patent/EP1704261A1/en
Publication of EP1704261A4 publication Critical patent/EP1704261A4/en
Publication of EP1704261B1 publication Critical patent/EP1704261B1/en
Application granted granted Critical
Not-in-force 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
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
EP04808506A 2003-12-23 2004-12-21 Bake-hardenable cold rolled steel sheet having excellent formability, and method of manufacturing the same Not-in-force EP1704261B1 (en)

Applications Claiming Priority (19)

Application Number Priority Date Filing Date Title
KR1020030095393A KR101105007B1 (en) 2003-12-23 2003-12-23 Cold rolled steel sheet having excellent baking hardenability and process for producing the same
KR1020030095395A KR101104981B1 (en) 2003-12-23 2003-12-23 Bake hardening cold rolled steel sheet having excellent resistance to second work embrittleness and high strength, process for producing the same
KR1020030095394A KR101105132B1 (en) 2003-12-23 2003-12-23 Baking hardening cold rolled steel sheet having high strength, process for producing the same
KR20030098745 2003-12-29
KR20030098744 2003-12-29
KR20030099437 2003-12-29
KR20030098746 2003-12-29
KR1020030099351A KR101105025B1 (en) 2003-12-29 2003-12-29 Bake-hardening cold rolled steel sheet having less anistropy and high strength, process for producing the same
KR20030098743 2003-12-29
KR20030099435 2003-12-29
KR1020030099350A KR101105098B1 (en) 2003-12-29 2003-12-29 Bake-harding cold rolled steel sheet having excellent workability and high strength, process for producing the same
KR20030099463 2003-12-30
KR20030099462 2003-12-30
KR20030099461 2003-12-30
KR20030099464 2003-12-30
KR1020040071395A KR101115709B1 (en) 2004-09-07 2004-09-07 Bake hardening cold rolled steel sheet having superior workability and process for producing the same
KR1020040071705A KR101115763B1 (en) 2004-09-08 2004-09-08 Bake hardening cold rolled steel sheet having superior workability and high strength, and process for producing the same
KR1020040084297A KR101115842B1 (en) 2004-10-21 2004-10-21 Bake hardening cold rolled steel sheet having superior workability and high strength, and process for producing the same
PCT/KR2004/003375 WO2005061748A1 (en) 2003-12-23 2004-12-21 Bake-hardenable cold rolled steel sheet having excellent formability, and method of manufacturing the same

Publications (3)

Publication Number Publication Date
EP1704261A1 EP1704261A1 (en) 2006-09-27
EP1704261A4 true EP1704261A4 (en) 2008-09-24
EP1704261B1 EP1704261B1 (en) 2012-06-13

Family

ID=36847674

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04808506A Not-in-force EP1704261B1 (en) 2003-12-23 2004-12-21 Bake-hardenable cold rolled steel sheet having excellent formability, and method of manufacturing the same

Country Status (4)

Country Link
EP (1) EP1704261B1 (en)
JP (1) JP4439525B2 (en)
ES (1) ES2389656T3 (en)
TW (1) TWI361223B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4957829B2 (en) * 2010-05-11 2012-06-20 Ｊｆｅスチール株式会社 Cold rolled steel sheet and method for producing the same
CN113106331A (en) * 2020-11-25 2021-07-13 江汉大学 220 MPa-grade hot-galvanized high-strength IF steel and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4410372A (en) * 1981-06-10 1983-10-18 Nippon Steel Corporation Process for producing deep-drawing, non-ageing, cold rolled steel strips having excellent paint bake-hardenability by continuous annealing
JPH05195060A (en) * 1992-01-13 1993-08-03 Kobe Steel Ltd Production of baking hardening type cold rolled steel sheet excellent in ageing resistance and press formability
EP1306456A1 (en) * 2000-08-04 2003-05-02 Nippon Steel Corporation Cold rolled steel sheet and hot rolled steel sheet excellent in bake hardenability and resistance to ordinary temperature aging and method for their production

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4410372A (en) * 1981-06-10 1983-10-18 Nippon Steel Corporation Process for producing deep-drawing, non-ageing, cold rolled steel strips having excellent paint bake-hardenability by continuous annealing
JPH05195060A (en) * 1992-01-13 1993-08-03 Kobe Steel Ltd Production of baking hardening type cold rolled steel sheet excellent in ageing resistance and press formability
EP1306456A1 (en) * 2000-08-04 2003-05-02 Nippon Steel Corporation Cold rolled steel sheet and hot rolled steel sheet excellent in bake hardenability and resistance to ordinary temperature aging and method for their production

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2005061748A1 *

Also Published As

Publication number Publication date
TWI361223B (en) 2012-04-01
JP4439525B2 (en) 2010-03-24
EP1704261A1 (en) 2006-09-27
JP2007517138A (en) 2007-06-28
ES2389656T3 (en) 2012-10-30
TW200533765A (en) 2005-10-16
EP1704261B1 (en) 2012-06-13

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