EP2796584A4 - High-strength steel sheet and process for producing same - Google Patents

High-strength steel sheet and process for producing same

Info

Publication number
EP2796584A4
EP2796584A4 EP12860717.3A EP12860717A EP2796584A4 EP 2796584 A4 EP2796584 A4 EP 2796584A4 EP 12860717 A EP12860717 A EP 12860717A EP 2796584 A4 EP2796584 A4 EP 2796584A4
Authority
EP
European Patent Office
Prior art keywords
steel sheet
strength steel
producing same
producing
same
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
EP12860717.3A
Other languages
German (de)
French (fr)
Other versions
EP2796584A1 (en
EP2796584B1 (en
Inventor
Kouichi Nakagawa
Kenji Kawamura
Takeshi Yokota
Kazuhiro Seto
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 EP2796584A1 publication Critical patent/EP2796584A1/en
Publication of EP2796584A4 publication Critical patent/EP2796584A4/en
Application granted granted Critical
Publication of EP2796584B1 publication Critical patent/EP2796584B1/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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • 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
    • C21D8/0226—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
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following 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
    • C21D8/0426—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
    • C21D8/0463—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 following 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
    • 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
    • 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
    • C22C38/06—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
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • 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
    • C21D2211/009—Pearlite

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)
  • Heat Treatment Of Steel (AREA)
EP12860717.3A 2011-12-19 2012-11-29 High-strength steel sheet and process for producing same Not-in-force EP2796584B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011276997A JP5316634B2 (en) 2011-12-19 2011-12-19 High-strength steel sheet with excellent workability and method for producing the same
PCT/JP2012/007663 WO2013094130A1 (en) 2011-12-19 2012-11-29 High-strength steel sheet and process for producing same

Publications (3)

Publication Number Publication Date
EP2796584A1 EP2796584A1 (en) 2014-10-29
EP2796584A4 true EP2796584A4 (en) 2015-10-14
EP2796584B1 EP2796584B1 (en) 2018-03-07

Family

ID=48668049

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12860717.3A Not-in-force EP2796584B1 (en) 2011-12-19 2012-11-29 High-strength steel sheet and process for producing same

Country Status (7)

Country Link
US (1) US20140332123A1 (en)
EP (1) EP2796584B1 (en)
JP (1) JP5316634B2 (en)
KR (1) KR101624439B1 (en)
CN (1) CN104011240B (en)
IN (1) IN2014KN01170A (en)
WO (1) WO2013094130A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5874376B2 (en) * 2011-12-19 2016-03-02 Ｊｆｅスチール株式会社 High-strength steel sheet with excellent workability and method for producing the same
CN104674138A (en) * 2015-03-20 2015-06-03 苏州科胜仓储物流设备有限公司 Friction-resistant steel plate for narrow path type goods shelf and thermal treatment technology of friction-resistant steel plate
CN104694854A (en) * 2015-03-20 2015-06-10 苏州科胜仓储物流设备有限公司 High-strength steel plate for cantilever type goods shelves and heat processing process thereof
US10858717B2 (en) 2015-08-11 2020-12-08 Jfe Steel Corporation Material for high strength steel sheets, hot rolled material for high strength steel sheets, hot-rolled and annealed material for high strength steel sheets, high strength steel sheet, high strength hot-dip-coated steel sheet, high strength electroplated steel sheet, and method of manufacturing same
JP6179584B2 (en) * 2015-12-22 2017-08-16 Ｊｆｅスチール株式会社 High strength steel plate with excellent bendability and method for producing the same
JP6260676B2 (en) 2016-03-29 2018-01-17 Ｊｆｅスチール株式会社 Hot press steel plate and method for manufacturing the same, and hot press member and method for manufacturing the same
WO2017168948A1 (en) 2016-03-29 2017-10-05 Ｊｆｅスチール株式会社 Steel sheet for hot pressing and production method therefor, and hot press member and production method therefor
CN109423577B (en) * 2017-08-30 2021-01-12 宝山钢铁股份有限公司 High-strength multi-phase steel tinning raw plate and manufacturing method thereof
KR102597734B1 (en) * 2019-02-28 2023-11-02 제이에프이 스틸 가부시키가이샤 Steel plates, members and their manufacturing methods
JP7235621B2 (en) * 2019-08-27 2023-03-08 株式会社神戸製鋼所 Steel plate for low-strength hot stamping, hot stamped parts, and method for manufacturing hot stamped parts
DE102020203564A1 (en) * 2020-03-19 2021-09-23 Sms Group Gmbh Process for producing a rolled multiphase steel strip with special properties
CN116752036A (en) * 2023-05-25 2023-09-15 鞍钢股份有限公司 High-elongation high-flange ultrathin 610 MPa-level steel plate for automobile girder and production method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1001041A1 (en) * 1998-11-10 2000-05-17 Kawasaki Steel Corporation Hot rolled steel sheet having an ultrafine grain structure and process for producing steel sheet

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JPH0762178B2 (en) 1990-07-30 1995-07-05 新日本製鐵株式会社 Method for producing high strength hot rolled steel sheet with excellent stretch flangeability and ductility
JPH0826433B2 (en) * 1992-12-28 1996-03-13 株式会社神戸製鋼所 High strength hot rolled steel sheet with excellent stretch flangeability
JPH09143611A (en) * 1995-11-21 1997-06-03 Nippon Steel Corp Hot rolled high strength steel sheet excellent in formability and fatigue characteristic and having thermal softening resistance
JPH1192855A (en) * 1997-09-22 1999-04-06 Natl Res Inst For Metals Steel having ultrafine double phase structure
JP3539548B2 (en) * 1999-09-20 2004-07-07 Ｊｆｅスチール株式会社 Manufacturing method of high tensile hot rolled steel sheet for processing
KR100572179B1 (en) * 1999-10-22 2006-04-18 제이에프이 스틸 가부시키가이샤 Hot-dip galvanized steel sheet having high strength and also being excellent in formability and galvanizing property
JP4306078B2 (en) * 2000-02-15 2009-07-29 Ｊｆｅスチール株式会社 High tensile hot-rolled steel sheet excellent in bake hardenability and impact resistance and method for producing the same
DE60127879T2 (en) * 2000-02-29 2007-09-06 Jfe Steel Corp. High strength hot rolled steel sheet with excellent stretch aging properties
JP2001342520A (en) * 2000-06-02 2001-12-14 Nippon Steel Corp Method for manufacturing high tension steel of low yield ratio and superior toughness with little fluctuation of material property
JP3680262B2 (en) * 2000-06-28 2005-08-10 Ｊｆｅスチール株式会社 Hot-dip galvanized steel sheet with excellent stretch flangeability and manufacturing method thereof
JP3917361B2 (en) * 2000-11-16 2007-05-23 株式会社神戸製鋼所 Method for producing high-strength hot-rolled steel sheet with excellent uniformity and workability of material in coil
JP3793490B2 (en) 2002-08-07 2006-07-05 新日本製鐵株式会社 High-strength hot-rolled steel sheet for processing excellent in strength-hole expansion ratio balance and shape freezing property, and method for producing the same
JP3858803B2 (en) 2002-10-18 2006-12-20 住友金属工業株式会社 Hot-rolled steel material and manufacturing method thereof
JP4507494B2 (en) * 2003-01-17 2010-07-21 Ｊｆｅスチール株式会社 Method for producing high strength steel with excellent fatigue strength
JP4466619B2 (en) * 2006-07-05 2010-05-26 Ｊｆｅスチール株式会社 High tensile welded steel pipe for automobile structural members and method for manufacturing the same
JP4923982B2 (en) * 2006-11-29 2012-04-25 Ｊｆｅスチール株式会社 High-strength hot-rolled steel sheet with excellent stretch flange characteristics and stretch characteristics after processing
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JP5786318B2 (en) * 2010-01-22 2015-09-30 Ｊｆｅスチール株式会社 High-strength hot-dip galvanized steel sheet with excellent fatigue characteristics and hole expansibility and method for producing the same
JP5018934B2 (en) * 2010-06-29 2012-09-05 Ｊｆｅスチール株式会社 High-strength steel sheet with excellent workability and method for producing the same
CN102212747A (en) * 2011-06-03 2011-10-12 首钢总公司 Low-cost steel for automobile beam and manufacturing method thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1001041A1 (en) * 1998-11-10 2000-05-17 Kawasaki Steel Corporation Hot rolled steel sheet having an ultrafine grain structure and process for producing steel sheet

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013094130A1 *

Also Published As

Publication number Publication date
EP2796584A1 (en) 2014-10-29
IN2014KN01170A (en) 2015-10-16
KR20140100994A (en) 2014-08-18
CN104011240A (en) 2014-08-27
JP2013127099A (en) 2013-06-27
CN104011240B (en) 2016-11-23
JP5316634B2 (en) 2013-10-16
KR101624439B1 (en) 2016-05-25
EP2796584B1 (en) 2018-03-07
WO2013094130A1 (en) 2013-06-27
US20140332123A1 (en) 2014-11-13

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