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EP2184373A4 - Thick hot-rolled steel sheet having excellent processability and excellent strength/toughness after thermal treatment, and method for production of the steel sheet - Google Patents

Thick hot-rolled steel sheet having excellent processability and excellent strength/toughness after thermal treatment, and method for production of the steel sheet

Info

Publication number
EP2184373A4
EP2184373A4 EP08765546.0A EP08765546A EP2184373A4 EP 2184373 A4 EP2184373 A4 EP 2184373A4 EP 08765546 A EP08765546 A EP 08765546A EP 2184373 A4 EP2184373 A4 EP 2184373A4
Authority
EP
European Patent Office
Prior art keywords
steel sheet
toughness
production
thermal treatment
thick hot
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
EP08765546.0A
Other languages
German (de)
French (fr)
Other versions
EP2184373A1 (en
EP2184373B1 (en
Inventor
Kazuhiro Seto
Nobuyuki Nakamura
Akio Kobayashi
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
Application filed by JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP2184373A1 publication Critical patent/EP2184373A1/en
Publication of EP2184373A4 publication Critical patent/EP2184373A4/en
Application granted granted Critical
Publication of EP2184373B1 publication Critical patent/EP2184373B1/en
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
    • C22C38/14—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
    • C21D8/0447—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
    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C21D2211/002—Bainite
    • 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)
EP08765546.0A 2007-06-29 2008-06-06 Thick hot-rolled steel sheet having excellent processability and excellent strength/toughness after thermal treatment, and method for production of the steel sheet Not-in-force EP2184373B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007171898A JP5040475B2 (en) 2007-06-29 2007-06-29 Thick-walled hot-rolled steel sheet with excellent workability and excellent strength and toughness after heat treatment and method for producing the same
PCT/JP2008/060805 WO2009004909A1 (en) 2007-06-29 2008-06-06 Thick hot-rolled steel sheet having excellent processability and excellent strength/toughness after thermal treatment, and method for production of the steel sheet

Publications (3)

Publication Number Publication Date
EP2184373A1 EP2184373A1 (en) 2010-05-12
EP2184373A4 true EP2184373A4 (en) 2016-01-27
EP2184373B1 EP2184373B1 (en) 2018-03-07

Family

ID=40225963

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08765546.0A Not-in-force EP2184373B1 (en) 2007-06-29 2008-06-06 Thick hot-rolled steel sheet having excellent processability and excellent strength/toughness after thermal treatment, and method for production of the steel sheet

Country Status (7)

Country Link
US (1) US20100206439A1 (en)
EP (1) EP2184373B1 (en)
JP (1) JP5040475B2 (en)
KR (1) KR101164470B1 (en)
CN (1) CN101688276B (en)
CA (1) CA2691730C (en)
WO (1) WO2009004909A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5194858B2 (en) * 2008-02-08 2013-05-08 Ｊｆｅスチール株式会社 High strength hot rolled steel sheet and method for producing the same
JP5029748B2 (en) * 2010-09-17 2012-09-19 Ｊｆｅスチール株式会社 High strength hot rolled steel sheet with excellent toughness and method for producing the same
JP5029749B2 (en) 2010-09-17 2012-09-19 Ｊｆｅスチール株式会社 High-strength hot-rolled steel sheet excellent in bending workability and its manufacturing method
CN102851583B (en) * 2011-06-28 2015-08-05 鞍钢股份有限公司 Hot-rolled flat plate for X70-grade high-erosion-resistance hot-bending bend and production method thereof
JP5776377B2 (en) * 2011-06-30 2015-09-09 Ｊｆｅスチール株式会社 High-strength hot-rolled steel sheet for welded steel pipes for line pipes with excellent sour resistance and method for producing the same
JP5742697B2 (en) * 2011-12-12 2015-07-01 新日鐵住金株式会社 Hot stamping molded body excellent in balance between strength and toughness, manufacturing method thereof, and manufacturing method of steel sheet for hot stamping molded body
CN102943206B (en) * 2012-12-09 2014-10-22 新余钢铁集团有限公司 High-strength hot rolled steel strip with improved zonal structure by manganese reduction and manufacturing method thereof
CN105074033A (en) * 2013-03-19 2015-11-18 杰富意钢铁株式会社 High-strength hot-rolled steel sheet having a tensile strength of 780 MPa or more
CN111247256A (en) * 2017-10-31 2020-06-05 杰富意钢铁株式会社 Manufacturing equipment and manufacturing method of thick steel plate
US10822034B2 (en) 2017-11-07 2020-11-03 Cnh Industrial America Llc Plate steel constructed frame for self propelled sprayers
CN108130480A (en) * 2017-12-07 2018-06-08 安徽科汇钢结构工程有限公司 A kind of high hot rolled steel plate of toughness
KR102685387B1 (en) * 2018-06-29 2024-07-17 도요 고한 가부시키가이샤 Hot-rolled steel sheets, high-strength cold-rolled steel sheets, and methods for manufacturing them
US12037667B2 (en) * 2018-10-26 2024-07-16 Posco Co., Ltd High-strength steel having excellent resistance to sulfide stress cracking, and method for manufacturing same
DE102019201883A1 (en) * 2019-02-13 2020-08-13 Thyssenkrupp Steel Europe Ag Method for producing a sheet steel component

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4016740A (en) * 1973-12-27 1977-04-12 Nippon Steel Corporation Method and an apparatus for the manufacture of a steel sheet
US6254698B1 (en) * 1997-12-19 2001-07-03 Exxonmobile Upstream Research Company Ultra-high strength ausaged steels with excellent cryogenic temperature toughness and method of making thereof
JP2002316283A (en) * 2001-02-16 2002-10-29 Kawasaki Steel Corp Method for manufacturing ultra-low carbon steel welded joint with excellent toughness in welded joint
WO2008007753A1 (en) * 2006-07-10 2008-01-17 Jfe Steel Corporation Hot-rolled steel sheets excellent both in workability and in strength and toughness after heat treatment and process for production thereof

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09256103A (en) * 1996-03-15 1997-09-30 Kobe Steel Ltd Hot rolled steel plate capable of providing steel plate member of low yield ratio after hot forming, and the hot rolled steel plate member
JP3385903B2 (en) * 1997-04-03 2003-03-10 日本鋼管株式会社 Method for producing high-strength hot-rolled steel sheet with excellent press formability
JP4214330B2 (en) * 1998-11-17 2009-01-28 住友金属工業株式会社 Steel sheet excellent in formability and hardenability and manufacturing method thereof
CA2369510C (en) * 2000-02-23 2007-02-27 Kawasaki Steel Corporation High tensile hot-rolled steel sheet having excellent strain aging hardening properties and method for producing the same
JP4123748B2 (en) 2001-02-07 2008-07-23 Ｊｆｅスチール株式会社 Thin steel plate with excellent impact properties after quenching and method for producing the same
JP3952714B2 (en) 2001-02-07 2007-08-01 Ｊｆｅスチール株式会社 Hot-rolled steel sheet having excellent toughness after quenching and manufacturing method thereof
JP3869747B2 (en) * 2002-04-09 2007-01-17 新日本製鐵株式会社 High-strength steel plate, high-strength steel pipe and manufacturing method excellent in deformation performance
JP4079054B2 (en) * 2003-08-18 2008-04-23 Ｊｆｅスチール株式会社 High strength and high toughness welded steel pipe for airbag bottle and method for producing the same
JP4580157B2 (en) * 2003-09-05 2010-11-10 新日本製鐵株式会社 Hot-rolled steel sheet having both BH property and stretch flangeability and manufacturing method thereof
TWI290586B (en) * 2003-09-24 2007-12-01 Nippon Steel Corp Hot rolled steel sheet and method of producing the same
JP2005220415A (en) * 2004-02-06 2005-08-18 Nisshin Steel Co Ltd Method for producing b-added low alloy steel showing excellent toughness as quenched state
JP4291711B2 (en) * 2004-03-03 2009-07-08 新日本製鐵株式会社 High burring hot rolled steel sheet having bake hardenability and method for producing the same
CN1273635C (en) * 2004-04-14 2006-09-06 武汉钢铁(集团)公司 Manufacturing method of cold forming high intensity steel for welded structure
CN1296509C (en) * 2005-03-10 2007-01-24 武汉钢铁(集团)公司 High strength weldable ageing hardening steel and its production method
JP4661306B2 (en) * 2005-03-29 2011-03-30 Ｊｆｅスチール株式会社 Manufacturing method of ultra-high strength hot-rolled steel sheet
JP4716332B2 (en) * 2006-12-21 2011-07-06 株式会社神戸製鋼所 Hot-rolled steel sheet excellent in stretch flangeability and surface properties and method for producing the same
JP4941003B2 (en) * 2007-02-28 2012-05-30 Ｊｆｅスチール株式会社 Hot-rolled steel sheet for die quench and method for producing the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4016740A (en) * 1973-12-27 1977-04-12 Nippon Steel Corporation Method and an apparatus for the manufacture of a steel sheet
US6254698B1 (en) * 1997-12-19 2001-07-03 Exxonmobile Upstream Research Company Ultra-high strength ausaged steels with excellent cryogenic temperature toughness and method of making thereof
JP2002316283A (en) * 2001-02-16 2002-10-29 Kawasaki Steel Corp Method for manufacturing ultra-low carbon steel welded joint with excellent toughness in welded joint
WO2008007753A1 (en) * 2006-07-10 2008-01-17 Jfe Steel Corporation Hot-rolled steel sheets excellent both in workability and in strength and toughness after heat treatment and process for production thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009004909A1 *

Also Published As

Publication number Publication date
EP2184373A1 (en) 2010-05-12
CA2691730C (en) 2015-10-13
JP5040475B2 (en) 2012-10-03
CN101688276A (en) 2010-03-31
KR20100023006A (en) 2010-03-03
CN101688276B (en) 2012-05-23
CA2691730A1 (en) 2009-01-08
EP2184373B1 (en) 2018-03-07
US20100206439A1 (en) 2010-08-19
KR101164470B1 (en) 2012-07-18
WO2009004909A1 (en) 2009-01-08
JP2009007652A (en) 2009-01-15

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