EP0572666A4 - Cold-rolled steel sheet and galvanized cold-rolled steel sheet which are excellent in formability and baking hardenability, and production thereof - Google Patents

Cold-rolled steel sheet and galvanized cold-rolled steel sheet which are excellent in formability and baking hardenability, and production thereof

Info

Publication number
EP0572666A4
EP0572666A4 EP19920905304 EP92905304A EP0572666A4 EP 0572666 A4 EP0572666 A4 EP 0572666A4 EP 19920905304 EP19920905304 EP 19920905304 EP 92905304 A EP92905304 A EP 92905304A EP 0572666 A4 EP0572666 A4 EP 0572666A4
Authority
EP
European Patent Office
Prior art keywords
steel sheet
rolled steel
cold
formability
production
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
EP19920905304
Other versions
EP0572666A1 (en
EP0572666B1 (en
Inventor
Nobuhiko Matsuzu
Kazuo Koyama
Hirohide Asano
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
Nippon 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27292333&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0572666(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP0572666A1 publication Critical patent/EP0572666A1/en
Publication of EP0572666A4 publication Critical patent/EP0572666A4/en
Application granted granted Critical
Publication of EP0572666B1 publication Critical patent/EP0572666B1/en
Anticipated expiration legal-status Critical
Revoked 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
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • 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
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips 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
    • 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
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
    • C21D8/0436—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
    • 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
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
    • C21D8/0473—Final recrystallisation annealing

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)
EP92905304A 1991-02-20 1992-02-20 Cold-rolled steel sheet and galvanized cold-rolled steel sheet which are excellent in formability and baking hardenability, and production thereof Revoked EP0572666B1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP4566591 1991-02-20
JP45665/91 1991-02-20
JP159831/91 1991-06-05
JP15983191 1991-06-05
JP19603991 1991-07-11
JP196039/91 1991-07-11
PCT/JP1992/000181 WO1992014854A1 (en) 1991-02-20 1992-02-20 Cold-rolled steel sheet and galvanized cold-rolled steel sheet which are excellent in formability and baking hardenability, and production thereof

Publications (3)

Publication Number Publication Date
EP0572666A1 EP0572666A1 (en) 1993-12-08
EP0572666A4 true EP0572666A4 (en) 1994-06-01
EP0572666B1 EP0572666B1 (en) 1998-05-06

Family

ID=27292333

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92905304A Revoked EP0572666B1 (en) 1991-02-20 1992-02-20 Cold-rolled steel sheet and galvanized cold-rolled steel sheet which are excellent in formability and baking hardenability, and production thereof

Country Status (4)

Country Link
EP (1) EP0572666B1 (en)
DE (1) DE69225395T2 (en)
ES (1) ES2114932T3 (en)
WO (1) WO1992014854A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5556485A (en) * 1994-11-07 1996-09-17 Bethlehem Steel Corporation Bake hardenable vanadium containing steel and method of making thereof
JP3422612B2 (en) * 1996-01-19 2003-06-30 Ｊｆｅスチール株式会社 Manufacturing method of ultra low carbon cold rolled steel sheet
US5656102A (en) * 1996-02-27 1997-08-12 Bethlehem Steel Corporation Bake hardenable vanadium containing steel and method thereof
US5853903A (en) * 1996-05-07 1998-12-29 Nkk Corporation Steel sheet for excellent panel appearance and dent resistance after panel-forming
JP3339615B2 (en) * 1996-07-02 2002-10-28 川崎製鉄株式会社 Manufacturing method of galvannealed steel sheet
TW515847B (en) * 1997-04-09 2003-01-01 Kawasaki Steel Co Coating/baking curable type cold rolled steel sheet with excellent strain aging resistance and method for producing the same
FR2798871B1 (en) * 1999-09-24 2001-11-02 Usinor PROCESS FOR PRODUCING CARBON STEEL STRIPS, ESPECIALLY STEEL FOR PACKAGING, AND STRIPS THUS PRODUCED
EP2123785A4 (en) * 2006-11-21 2013-07-24 Nippon Steel & Sumitomo Metal Corp Steel plate having high gathering degree of {222} plane and process for production thereof
BR112013012808B1 (en) * 2010-11-29 2018-07-17 Nippon Steel & Sumitomo Metal Corp high strength cold rolled steel plate, hardenable in baking, and production method thereof
KR101819358B1 (en) * 2016-08-12 2018-01-17 주식회사 포스코 High-strength thin steel sheet having excellent formability and method for manufacturing the same
CN107201477A (en) * 2016-10-11 2017-09-26 宝钢集团新疆八钢铁有限公司 A kind of cold-rolling production process of the zinc-plated door-plate steel of deep-draw
TWI652355B (en) 2018-01-30 2019-03-01 中國鋼鐵股份有限公司 Hot-dipped galvanized steel and method of forming the same
MX2022009268A (en) * 2020-01-29 2022-08-16 Tata Steel Ijmuiden Bv Ultra low carbon interstitial free steel.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0203809A2 (en) * 1985-05-31 1986-12-03 Kawasaki Steel Corporation A method of manufacturing a cold-rolled steel sheet having a good deep drawability
EP0228756A1 (en) * 1984-07-17 1987-07-15 Kawasaki Steel Corporation Extra low carbon steel sheets
EP0295697A2 (en) * 1987-06-18 1988-12-21 Kawasaki Steel Corporation Cold rolled steel sheets having improved spot weldability and method for producing the same
JPH02194126A (en) * 1989-01-20 1990-07-31 Sumitomo Metal Ind Ltd Manufacture of steel sheet having baking hardenability
EP0484960A2 (en) * 1990-11-09 1992-05-13 Nippon Steel Corporation Cold-rolled steel strip having excellent combined press formability and method of producing same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS543131B2 (en) * 1972-12-23 1979-02-19
JPS56166331A (en) * 1980-04-25 1981-12-21 Nippon Steel Corp Manufacture of cold rolled steel plate with superior press workability
JPS59226149A (en) * 1983-06-03 1984-12-19 Nippon Steel Corp Hot rolled steel sheet with superior formability and its manufacture
JPH01123058A (en) * 1987-11-06 1989-05-16 Kawasaki Steel Corp Alloying hot dip galvanized steel sheet for superdrawing excellent in resistance to secondary working brittleness and its production

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0228756A1 (en) * 1984-07-17 1987-07-15 Kawasaki Steel Corporation Extra low carbon steel sheets
EP0203809A2 (en) * 1985-05-31 1986-12-03 Kawasaki Steel Corporation A method of manufacturing a cold-rolled steel sheet having a good deep drawability
JPS61276927A (en) * 1985-05-31 1986-12-06 Kawasaki Steel Corp Production of cold rolled steel sheet having good deep drawability
EP0295697A2 (en) * 1987-06-18 1988-12-21 Kawasaki Steel Corporation Cold rolled steel sheets having improved spot weldability and method for producing the same
JPH02194126A (en) * 1989-01-20 1990-07-31 Sumitomo Metal Ind Ltd Manufacture of steel sheet having baking hardenability
GB2234985A (en) * 1989-01-20 1991-02-20 Sumitomo Metal Ind Production of bake-hardenable steel sheet
EP0484960A2 (en) * 1990-11-09 1992-05-13 Nippon Steel Corporation Cold-rolled steel strip having excellent combined press formability and method of producing same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9214854A1 *

Also Published As

Publication number Publication date
EP0572666A1 (en) 1993-12-08
WO1992014854A1 (en) 1992-09-03
EP0572666B1 (en) 1998-05-06
ES2114932T3 (en) 1998-06-16
DE69225395T2 (en) 1998-09-10
DE69225395D1 (en) 1998-06-10

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