WO2010126268A3 - High manganese nitrogen-containing steel sheet having high strength and high ductility, and method for manufacturing same - Google Patents

High manganese nitrogen-containing steel sheet having high strength and high ductility, and method for manufacturing same Download PDF

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Publication number
WO2010126268A3
WO2010126268A3 PCT/KR2010/002625 KR2010002625W WO2010126268A3 WO 2010126268 A3 WO2010126268 A3 WO 2010126268A3 KR 2010002625 W KR2010002625 W KR 2010002625W WO 2010126268 A3 WO2010126268 A3 WO 2010126268A3
Authority
WO
WIPO (PCT)
Prior art keywords
steel sheet
nitrogen
containing steel
high manganese
manganese nitrogen
Prior art date
Application number
PCT/KR2010/002625
Other languages
French (fr)
Korean (ko)
Other versions
WO2010126268A2 (en
Inventor
이영국
정연승
강신곤
민동준
Original Assignee
연세대학교 산학협력단
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=43032669&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2010126268(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from KR1020090036963A external-priority patent/KR101140931B1/en
Priority claimed from KR1020100026584A external-priority patent/KR101193718B1/en
Application filed by 연세대학교 산학협력단 filed Critical 연세대학교 산학협력단
Priority to EP10769913.4A priority Critical patent/EP2431492B1/en
Priority to US13/318,129 priority patent/US20120045358A1/en
Priority to CN2010800190970A priority patent/CN102439188A/en
Priority to JP2012508394A priority patent/JP5437482B2/en
Publication of WO2010126268A2 publication Critical patent/WO2010126268A2/en
Publication of WO2010126268A3 publication Critical patent/WO2010126268A3/en

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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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
    • 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
    • C21D2211/004—Dispersions; Precipitations

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)

Abstract

Provided is a high manganese nitrogen-containing steel sheet. The high manganese nitrogen-containing steel sheet according to the present invention comprises 0.5 to 1.0 wt % of carbon, 10 to 20 wt % of manganese, 0.02 to 0.3 wt % of nitrogen, with a remainder of Fe and unavoidable impurities. The high manganese nitrogen-containing steel sheet according to the present invention produces an austenite phase at room temperature, in which the stacking fault energy is effectively controlled by adding chrome and nitrogen. Accordingly, the high manganese nitrogen-containing steel sheet of the present invention produces a mechanical twin during the plastic deformation of the steel sheet, thereby increasing the work hardening rate, tensile strength, and workability.
PCT/KR2010/002625 2009-04-28 2010-04-27 High manganese nitrogen-containing steel sheet having high strength and high ductility, and method for manufacturing same WO2010126268A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP10769913.4A EP2431492B1 (en) 2009-04-28 2010-04-27 High manganese nitrogen-containing steel sheet having high strength and high ductility, and method for manufacturing same
US13/318,129 US20120045358A1 (en) 2009-04-28 2010-04-27 High manganese nitrogen-containing steel sheet having high strength and high ductility, and method for manufacturing the same
CN2010800190970A CN102439188A (en) 2009-04-28 2010-04-27 High manganese nitrogen-containing steel sheet having high strength and high ductility, and method for manufacturing same
JP2012508394A JP5437482B2 (en) 2009-04-28 2010-04-27 High strength and high softness steel plate with high manganese nitrogen content and manufacturing method thereof

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2009-0036963 2009-04-28
KR1020090036963A KR101140931B1 (en) 2009-04-28 2009-04-28 Nitrogen-added high manganese steel having high strength and large ductility and method for manufacturing the same
KR10-2010-0026584 2010-03-25
KR1020100026584A KR101193718B1 (en) 2010-03-25 2010-03-25 Nitrogen-added high manganese steel having high strength and large ductility and method for manufacturing the same

Publications (2)

Publication Number Publication Date
WO2010126268A2 WO2010126268A2 (en) 2010-11-04
WO2010126268A3 true WO2010126268A3 (en) 2011-03-03

Family

ID=43032669

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2010/002625 WO2010126268A2 (en) 2009-04-28 2010-04-27 High manganese nitrogen-containing steel sheet having high strength and high ductility, and method for manufacturing same

Country Status (5)

Country Link
US (1) US20120045358A1 (en)
EP (1) EP2431492B1 (en)
JP (1) JP5437482B2 (en)
CN (1) CN102439188A (en)
WO (1) WO2010126268A2 (en)

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ES2455222T5 (en) † 2010-07-02 2018-03-05 Thyssenkrupp Steel Europe Ag Superior strength steel, cold formable and flat steel product composed of such a steel
KR101510505B1 (en) * 2012-12-21 2015-04-08 주식회사 포스코 Method for manufacturing high manganese galvanized steel steet having excellent coatability and ultra high strength and manganese galvanized steel steet produced by the same
KR101490567B1 (en) * 2012-12-27 2015-02-05 주식회사 포스코 High manganese wear resistance steel having excellent weldability and method for manufacturing the same
WO2014209064A1 (en) * 2013-06-27 2014-12-31 현대제철 주식회사 High-strength steel sheet and manufacturing method therefor
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
MA45114A (en) 2016-05-24 2019-04-10 Arcelormittal PROCESS FOR MANUFACTURING A TWIP STEEL SHEET HAVING AN AUSTENITIC DIE
CN107537860A (en) * 2016-06-25 2018-01-05 天津大学 Using the method for cold rolling adjustment TP347H austenite heat-resistance structure of steel
KR102331032B1 (en) * 2017-04-26 2021-11-24 제이에프이 스틸 가부시키가이샤 High Mn steel and manufacturing method thereof
CN110724874A (en) * 2018-07-17 2020-01-24 宝钢特钢有限公司 High-manganese austenitic steel with corrosion and wear resistance and preparation method of hot rolled plate
CN109536815A (en) * 2018-11-24 2019-03-29 冯良荣 A method of preparing nitridation manganese alloy
CN111850422B (en) * 2020-04-30 2022-01-11 中科益安医疗科技（北京）股份有限公司 High-nitrogen nickel-free austenitic stainless steel seamless thin-walled tube and preparation method thereof
CN112708823A (en) * 2020-11-24 2021-04-27 河钢股份有限公司 High-manganese and high-aluminum TWIP steel with high thermoplasticity and production method thereof

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KR20060040718A (en) * 2003-07-22 2006-05-10 위시노 Method of producing austenitic iron/carbon/manganese steel sheets having a high strength and excellent toughness and being suitable for cold forming, and sheets thus produced
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Also Published As

Publication number Publication date
EP2431492B1 (en) 2015-09-30
JP5437482B2 (en) 2014-03-12
CN102439188A (en) 2012-05-02
JP2012525500A (en) 2012-10-22
WO2010126268A2 (en) 2010-11-04
EP2431492A2 (en) 2012-03-21
EP2431492A4 (en) 2014-01-22
US20120045358A1 (en) 2012-02-23

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