EP1394279A4 - High strength and high ductility steel plate having hyperfine crystal grain structure produced by subjecting ordinary low carbon steel to low strain working and annealing, and method for production thereof - Google Patents

High strength and high ductility steel plate having hyperfine crystal grain structure produced by subjecting ordinary low carbon steel to low strain working and annealing, and method for production thereof

Info

Publication number
EP1394279A4
EP1394279A4 EP02713191A EP02713191A EP1394279A4 EP 1394279 A4 EP1394279 A4 EP 1394279A4 EP 02713191 A EP02713191 A EP 02713191A EP 02713191 A EP02713191 A EP 02713191A EP 1394279 A4 EP1394279 A4 EP 1394279A4
Authority
EP
European Patent Office
Prior art keywords
annealing
production
crystal grain
grain structure
structure produced
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
EP02713191A
Other languages
German (de)
French (fr)
Other versions
EP1394279B1 (en
EP1394279A1 (en
Inventor
Yoshihiro Saito
Nobuhiro Tsuji
Rintaro Ueji
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.)
Japan Science and Technology Agency
Original Assignee
Japan Science and Technology Agency
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 Japan Science and Technology Agency filed Critical Japan Science and Technology Agency
Publication of EP1394279A1 publication Critical patent/EP1394279A1/en
Publication of EP1394279A4 publication Critical patent/EP1394279A4/en
Application granted granted Critical
Publication of EP1394279B1 publication Critical patent/EP1394279B1/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
    • 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
    • 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
    • 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
    • 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
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0273—Final recrystallisation annealing
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
    • 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
    • C21D2201/00—Treatment for obtaining particular effects
    • 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

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)
  • Heat Treatment Of Steel (AREA)
EP02713191A 2001-03-27 2002-03-25 High strength and high ductility steel plate having hyperfine crystal grain structure produced by subjecting ordinary low carbon steel to low strain working and annealing, and method for production thereof Expired - Lifetime EP1394279B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001090731A JP4189133B2 (en) 2001-03-27 2001-03-27 High strength and high ductility steel sheet with ultrafine grain structure obtained by low strain processing and annealing of ordinary low carbon steel and method for producing the same
JP2001090731 2001-03-27
PCT/JP2002/002848 WO2002077310A1 (en) 2001-03-27 2002-03-25 High strength and high ductility steel plate having hyperfine crystal grain structure produced by subjecting ordinary low carbon steel to low strain working and annealing, and method for production thereof

Publications (3)

Publication Number Publication Date
EP1394279A1 EP1394279A1 (en) 2004-03-03
EP1394279A4 true EP1394279A4 (en) 2004-07-21
EP1394279B1 EP1394279B1 (en) 2005-08-24

Family

ID=18945478

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02713191A Expired - Lifetime EP1394279B1 (en) 2001-03-27 2002-03-25 High strength and high ductility steel plate having hyperfine crystal grain structure produced by subjecting ordinary low carbon steel to low strain working and annealing, and method for production thereof

Country Status (7)

Country Link
US (2) US20040112484A1 (en)
EP (1) EP1394279B1 (en)
JP (1) JP4189133B2 (en)
KR (1) KR20030080101A (en)
CN (1) CN1279203C (en)
DE (1) DE60205744T2 (en)
WO (1) WO2002077310A1 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1705763A (en) * 2002-10-17 2005-12-07 独立行政法人物质·材料研究机构 Formed product and method for production thereof
JP4284405B2 (en) * 2002-10-17 2009-06-24 独立行政法人物質・材料研究機構 Tapping screw and its manufacturing method
WO2006057430A1 (en) * 2004-11-24 2006-06-01 National Institute For Materials Science Process for producing high-strength molding, high-strength molding obtained thereby and high-strength machine screw
JP4681290B2 (en) 2004-12-03 2011-05-11 本田技研工業株式会社 High strength steel plate and manufacturing method thereof
JP5316982B2 (en) * 2005-02-28 2013-10-16 独立行政法人物質・材料研究機構 High-strength molded article made of ultrafine grained steel and method for producing the same
US20090185943A1 (en) * 2006-05-17 2009-07-23 National Institute For Materials Science Steel plate and steel plate coil
US8177924B2 (en) 2006-06-01 2012-05-15 Honda Motor Co., Ltd. High-strength steel sheet and process for producing the same
JP5382421B2 (en) 2009-02-24 2014-01-08 株式会社デルタツーリング Manufacturing method and heat treatment apparatus for high strength and high toughness thin steel
JP5565785B2 (en) 2009-03-05 2014-08-06 株式会社デルタツーリング Structural material
KR101456772B1 (en) 2010-05-27 2014-10-31 신닛테츠스미킨 카부시키카이샤 Steel sheet, and process for production thereof
EP2562034B1 (en) * 2011-08-25 2017-10-04 Adient Luxembourg Holding S.à r.l. Profile component for a vehicle seat, method and device for producing a profile component
US8518195B2 (en) * 2012-01-20 2013-08-27 GM Global Technology Operations LLC Heat treatment for producing steel sheet with high strength and ductility
US9410220B2 (en) 2012-06-19 2016-08-09 Buffalo Armory Llc Method and apparatus for treating a steel article
US9410222B2 (en) 2012-06-19 2016-08-09 Buffalo Armory Llc Method and apparatus for treating a steel article
AU2013205082B2 (en) * 2013-04-13 2017-04-27 Infrabuild Construction Solutions Pty Ltd Steel product and method of producing the product
WO2016100839A1 (en) * 2014-12-19 2016-06-23 Nucor Corporation Hot rolled light-gauge martensitic steel sheet and method for making the same
CN106435132B (en) * 2016-10-27 2018-04-24 华北理工大学 A kind of processing method of low-carbon alloy steel
CZ2018230A3 (en) * 2018-05-18 2019-11-13 Univerzita J. E. Purkyně V Ústí Nad Labem Heat treatment method for low carbon boron steels
CN112417740B (en) * 2020-12-14 2024-01-26 中南大学 Accurate measurement method for low-temperature fracture elongation of aluminum alloy for aerospace
CN114635018B (en) * 2022-03-23 2024-01-26 安徽工业大学 Method for reinforcing and plasticizing Q345 low-carbon steel

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02301540A (en) * 1989-05-15 1990-12-13 Sumitomo Metal Ind Ltd Fine grained ferrite steel
JPH09279233A (en) * 1996-04-10 1997-10-28 Nippon Steel Corp Production of high tension steel excellent in toughness

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4578124A (en) * 1984-01-20 1986-03-25 Kabushiki Kaisha Kobe Seiko Sho High strength low carbon steels, steel articles thereof and method for manufacturing the steels
CA2004548C (en) * 1988-12-05 1996-12-31 Kenji Aihara Metallic material having ultra-fine grain structure and method for its manufacture
JP2537118B2 (en) * 1992-10-07 1996-09-25 新日本製鐵株式会社 Method of manufacturing stress corrosion corrosion resistant ultra high strength steel
EP0924312B1 (en) * 1997-06-26 2005-12-07 JFE Steel Corporation Method for manufacturing super fine granular steel pipe
JP2000192139A (en) * 1998-12-28 2000-07-11 Kawasaki Steel Corp Thermomechanical treating method for steel

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02301540A (en) * 1989-05-15 1990-12-13 Sumitomo Metal Ind Ltd Fine grained ferrite steel
JPH09279233A (en) * 1996-04-10 1997-10-28 Nippon Steel Corp Production of high tension steel excellent in toughness

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
"Cold rolled steel sheets- Technology and products in Japan", 2000, ISIJ, TOKYO, XP002281090 *
MUESGEN ET AL: "High strength fine-grained steels, that have been heat treated using water, with minimum yield points up to 90kg/mm2", DECHEMA MONOGRAPHIEN, VERLAG CHEMIE, WEINHEIM,, DE, vol. 76, 1974, pages 151 - 162, XP002089185, ISSN: 0070-315X *
See also references of WO02077310A1 *

Also Published As

Publication number Publication date
EP1394279B1 (en) 2005-08-24
CN1500155A (en) 2004-05-26
US20040112484A1 (en) 2004-06-17
DE60205744T2 (en) 2006-06-22
KR20030080101A (en) 2003-10-10
DE60205744D1 (en) 2005-09-29
CN1279203C (en) 2006-10-11
EP1394279A1 (en) 2004-03-03
US20070084529A1 (en) 2007-04-19
WO2002077310A1 (en) 2002-10-03
JP2002285278A (en) 2002-10-03
JP4189133B2 (en) 2008-12-03

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