EP2554699A4 - Steel sheet with high tensile strength and superior ductility and method for producing same - Google Patents

Steel sheet with high tensile strength and superior ductility and method for producing same

Info

Publication number
EP2554699A4
EP2554699A4 EP11762477.5A EP11762477A EP2554699A4 EP 2554699 A4 EP2554699 A4 EP 2554699A4 EP 11762477 A EP11762477 A EP 11762477A EP 2554699 A4 EP2554699 A4 EP 2554699A4
Authority
EP
European Patent Office
Prior art keywords
steel sheet
tensile strength
high tensile
producing same
superior ductility
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
EP11762477.5A
Other languages
German (de)
French (fr)
Other versions
EP2554699A1 (en
EP2554699B1 (en
Inventor
Takashi Kobayashi
Yoshimasa Funakawa
Tetsuya Mega
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 EP2554699A1 publication Critical patent/EP2554699A1/en
Publication of EP2554699A4 publication Critical patent/EP2554699A4/en
Application granted granted Critical
Publication of EP2554699B1 publication Critical patent/EP2554699B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys 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
    • 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
    • C22C38/001—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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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
    • 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
    • C21D2211/001—Austenite

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)
EP11762477.5A 2010-03-30 2011-02-25 Steel sheet with high tensile strength and superior ductility and method for producing same Not-in-force EP2554699B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010077305A JP5003785B2 (en) 2010-03-30 2010-03-30 High tensile steel plate with excellent ductility and method for producing the same
PCT/JP2011/055007 WO2011122237A1 (en) 2010-03-30 2011-02-25 Steel sheet with high tensile strength and superior ductility and method for producing same

Publications (3)

Publication Number Publication Date
EP2554699A1 EP2554699A1 (en) 2013-02-06
EP2554699A4 true EP2554699A4 (en) 2015-07-08
EP2554699B1 EP2554699B1 (en) 2016-08-10

Family

ID=44711966

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11762477.5A Not-in-force EP2554699B1 (en) 2010-03-30 2011-02-25 Steel sheet with high tensile strength and superior ductility and method for producing same

Country Status (5)

Country Link
EP (1) EP2554699B1 (en)
JP (1) JP5003785B2 (en)
KR (1) KR101287331B1 (en)
CN (1) CN102822371B (en)
WO (1) WO2011122237A1 (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140261918A1 (en) * 2013-03-15 2014-09-18 Exxonmobil Research And Engineering Company Enhanced wear resistant steel and methods of making the same
KR101665807B1 (en) 2014-12-23 2016-10-13 주식회사 포스코 High manganese steel sheet having excellent hot dip aluminium coatability, and method for manufacturing the same
KR101665801B1 (en) 2014-12-23 2016-10-13 주식회사 포스코 High manganese steel sheet having excellent hot dip aluminium coatability, and method for manufacturing the same
KR20160078840A (en) 2014-12-24 2016-07-05 주식회사 포스코 High manganese steel sheet having superior yield strength and fromability, and method for manufacturing the same
CN104711494B (en) * 2015-04-14 2017-11-28 钢铁研究总院 Low-density high-ductility NiAl strengthens unimach and preparation method
JP6455333B2 (en) * 2015-06-23 2019-01-23 新日鐵住金株式会社 High Mn steel for high-pressure hydrogen gas and pipes, containers, valves and joints made of the steel
CN108431275A (en) * 2015-12-22 2018-08-21 株式会社Posco Austenitic steel with excellent resistance to hydrogen embrittlement
US11420419B2 (en) 2015-12-24 2022-08-23 Posco Austenite-based molten aluminum-plated steel sheet having excellent properties of plating and weldability
KR101747034B1 (en) 2016-04-28 2017-06-14 주식회사 포스코 Ultra high strength and high ductility steel sheet having excellent yield ratio, and method for manufacturing the same
US20170349983A1 (en) * 2016-06-06 2017-12-07 Exxonmobil Research And Engineering Company High strength cryogenic high manganese steels and methods of making the same
TWI630277B (en) * 2016-12-19 2018-07-21 杰富意鋼鐵股份有限公司 High manganese steel plate and manufacturing method thereof
KR101940874B1 (en) * 2016-12-22 2019-01-21 주식회사 포스코 High manganese steel with superior low temperature toughness and yield strength and method for manufacturing the same
JP2018162507A (en) * 2017-03-27 2018-10-18 新日鐵住金株式会社 High-strength oil well steel and oil well pipe
JP6856129B2 (en) * 2017-09-01 2021-04-07 Ｊｆｅスチール株式会社 Manufacturing method of high Mn steel
KR101977491B1 (en) 2017-11-08 2019-05-10 주식회사 포스코 Ultra-high strength and high-ductility steel sheet having excellent cold formability, and method for manufacturing thereof
CN111433381B (en) * 2017-12-07 2021-09-03 杰富意钢铁株式会社 High Mn steel and method for producing same
KR101999032B1 (en) 2017-12-26 2019-09-27 주식회사 포스코 High manganese coated steel welded structure with superior spot weldability and method for manufacturing same
KR102065230B1 (en) 2017-12-26 2020-01-10 주식회사 포스코 Zinc coated high manganese steel sheet with superior spot weldability and method for manufacturing same
KR102367801B1 (en) * 2018-02-07 2022-02-24 제이에프이 스틸 가부시키가이샤 High Mn steel and manufacturing method thereof
WO2020027211A1 (en) 2018-08-03 2020-02-06 Ｊｆｅスチール株式会社 HIGH-Mn STEEL AND METHOD FOR PRODUCING SAME
JP6947330B2 (en) * 2019-08-21 2021-10-13 Ｊｆｅスチール株式会社 Steel and its manufacturing method
KR102462130B1 (en) * 2020-10-26 2022-11-03 현대제철 주식회사 Method of manufacturing ultra high strength hot rolled steel sheet having softening heat treatment and apparatus of manufacturing hot rolled steel sheet
JP7472992B2 (en) * 2021-03-31 2024-04-23 Ｊｆｅスチール株式会社 Cold-rolled steel sheet and method for producing the same
CN113278894A (en) * 2021-05-20 2021-08-20 成都先进金属材料产业技术研究院股份有限公司 Fe-Mn-Al-S series low-density free-cutting steel and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1902589A (en) * 1930-04-23 1933-03-21 Westinghouse Electric & Mfg Co Bimetal thermostat
US2739057A (en) * 1952-10-24 1956-03-20 Crucible Steel Co America Alloy steel of high expansion coefficient
US3170824A (en) * 1962-12-27 1965-02-23 Donald B Roach Iron alloy
CH519027A (en) * 1970-03-18 1972-02-15 Hattori Tokeiten Kk Non-magnetic material that has a constant modulus of elasticity
US5380483A (en) * 1991-12-26 1995-01-10 Mitsui Engineering & Shipbuilding Co., Ltd. Vibration-damping alloy

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04259325A (en) * 1991-02-13 1992-09-14 Sumitomo Metal Ind Ltd Production of hot rolled high strength steel sheet excellent in workability
JPH05171273A (en) * 1991-12-26 1993-07-09 Kobe Steel Ltd Production of high mn nonmagnetic steel excellent in local deformability
JP2807566B2 (en) * 1991-12-30 1998-10-08 ポハン アイアン アンド スチール カンパニー リミテッド Austenitic high manganese steel having excellent formability, strength and weldability, and method for producing the same
DE10128544C2 (en) 2001-06-13 2003-06-05 Thyssenkrupp Stahl Ag High-strength, cold-workable sheet steel, process for its production and use of such a sheet
JP4472015B2 (en) * 2003-06-18 2010-06-02 新日本製鐵株式会社 High strength low specific gravity steel plate excellent in ductility and method for producing the same
FR2857980B1 (en) 2003-07-22 2006-01-13 Usinor PROCESS FOR MANUFACTURING HIGH-STRENGTH FERRO-CARBON-MANGANESE AUSTENITIC STEEL SHEET, EXCELLENT TENACITY AND COLD SHAPINGABILITY, AND SHEETS THUS PRODUCED

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1902589A (en) * 1930-04-23 1933-03-21 Westinghouse Electric & Mfg Co Bimetal thermostat
US2739057A (en) * 1952-10-24 1956-03-20 Crucible Steel Co America Alloy steel of high expansion coefficient
US3170824A (en) * 1962-12-27 1965-02-23 Donald B Roach Iron alloy
CH519027A (en) * 1970-03-18 1972-02-15 Hattori Tokeiten Kk Non-magnetic material that has a constant modulus of elasticity
US5380483A (en) * 1991-12-26 1995-01-10 Mitsui Engineering & Shipbuilding Co., Ltd. Vibration-damping alloy

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011122237A1 *

Also Published As

Publication number Publication date
KR20120113789A (en) 2012-10-15
KR101287331B1 (en) 2013-07-23
CN102822371B (en) 2015-05-20
EP2554699A1 (en) 2013-02-06
EP2554699B1 (en) 2016-08-10
JP2011208226A (en) 2011-10-20
JP5003785B2 (en) 2012-08-15
WO2011122237A1 (en) 2011-10-06
CN102822371A (en) 2012-12-12

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