EP2520684A4 - Austenite steel material having superior ductility - Google Patents

Austenite steel material having superior ductility

Info

Publication number
EP2520684A4
EP2520684A4 EP10841225.5A EP10841225A EP2520684A4 EP 2520684 A4 EP2520684 A4 EP 2520684A4 EP 10841225 A EP10841225 A EP 10841225A EP 2520684 A4 EP2520684 A4 EP 2520684A4
Authority
EP
European Patent Office
Prior art keywords
steel material
austenite steel
superior ductility
ductility
superior
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
EP10841225.5A
Other languages
German (de)
French (fr)
Other versions
EP2520684B9 (en
EP2520684B1 (en
EP2520684A2 (en
Inventor
Soon-Gi Lee
Jong-Kyo Choi
Hyun-Kwan Cho
Hee-Goon Noh
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.)
Posco Holdings Inc
Original Assignee
Posco Co Ltd
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
Priority claimed from KR1020090132105A external-priority patent/KR101322170B1/en
Priority claimed from KR1020100133641A external-priority patent/KR101253860B1/en
Application filed by Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP2520684A2 publication Critical patent/EP2520684A2/en
Publication of EP2520684A4 publication Critical patent/EP2520684A4/en
Application granted granted Critical
Publication of EP2520684B1 publication Critical patent/EP2520684B1/en
Publication of EP2520684B9 publication Critical patent/EP2520684B9/en
Active 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
    • C22C38/04—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
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • 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
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
    • 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
EP10841225.5A 2009-12-28 2010-12-28 Austenite steel material having superior ductility Active EP2520684B9 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020090132105A KR101322170B1 (en) 2009-12-28 2009-12-28 Steel with high ductility
KR1020100133641A KR101253860B1 (en) 2010-12-23 2010-12-23 High ductility steel having excellent corrosion and wear resistance
PCT/KR2010/009393 WO2011081393A2 (en) 2009-12-28 2010-12-28 Austenite steel material having superior ductility

Publications (4)

Publication Number Publication Date
EP2520684A2 EP2520684A2 (en) 2012-11-07
EP2520684A4 true EP2520684A4 (en) 2015-01-14
EP2520684B1 EP2520684B1 (en) 2016-10-26
EP2520684B9 EP2520684B9 (en) 2017-01-04

Family

ID=44227000

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10841225.5A Active EP2520684B9 (en) 2009-12-28 2010-12-28 Austenite steel material having superior ductility

Country Status (6)

Country Link
US (1) US20120288396A1 (en)
EP (1) EP2520684B9 (en)
JP (1) JP5668081B2 (en)
CN (1) CN102906294A (en)
CA (1) CA2785318C (en)
WO (1) WO2011081393A2 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013100614A1 (en) 2011-12-27 2013-07-04 주식회사 포스코 Austenitic steel having superior machinability and cryogenic temperature toughness in weld heat affected zones thereof and method for manufacturing same
WO2013100613A1 (en) * 2011-12-28 2013-07-04 주식회사 포스코 Wear resistant austenitic steel having superior machinability and ductility method for producing same
US9650703B2 (en) 2011-12-28 2017-05-16 Posco Wear resistant austenitic steel having superior machinability and toughness in weld heat affected zones thereof and method for producing same
WO2014104706A1 (en) * 2012-12-26 2014-07-03 주식회사 포스코 High strength austenitic-based steel with remarkable toughness of welding heat-affected zone and preparation method therefor
KR101490567B1 (en) 2012-12-27 2015-02-05 주식회사 포스코 High manganese wear resistance steel having excellent weldability and method for manufacturing the same
US10229777B2 (en) * 2013-10-31 2019-03-12 General Electric Company Graded magnetic component and method of forming
US10229776B2 (en) * 2013-10-31 2019-03-12 General Electric Company Multi-phase magnetic component and method of forming
US9634549B2 (en) * 2013-10-31 2017-04-25 General Electric Company Dual phase magnetic material component and method of forming
KR101611697B1 (en) * 2014-06-17 2016-04-14 주식회사 포스코 Expandable high strength steel material and expanded steel pipe having excellent expandability and collapse resistance and method for manufacturing thereof
KR101917473B1 (en) * 2016-12-23 2018-11-09 주식회사 포스코 Austenitic steel having excellent wear resistance and toughness and method for manufacturing thereof
KR102020381B1 (en) * 2017-12-22 2019-09-10 주식회사 포스코 Steel having excellent wear resistnat properties and method for manufacturing the same
CN109023042A (en) * 2018-07-25 2018-12-18 包头钢铁（集团）有限责任公司 500MPa grades of antidetonation anti-chlorine ion corrosion reinforcing bars and its manufacturing method
US11926880B2 (en) 2021-04-21 2024-03-12 General Electric Company Fabrication method for a component having magnetic and non-magnetic dual phases
US11661646B2 (en) 2021-04-21 2023-05-30 General Electric Comapny Dual phase magnetic material component and method of its formation

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB584669A (en) * 1942-07-22 1947-01-21 Electro Metallurg Co Improvements in and relating to cold rolled alloy iron or alloy steel articles
GB1047820A (en) * 1963-09-03 1966-11-09 Boehler & Co Ag Geb Improvements in or relating to non-magnetizable steels resisting stress crack corrosion
GB2010906A (en) * 1977-12-12 1979-07-04 Sumitomo Metal Ind Nonmagnetic alloy steel having machinability
JPH02270937A (en) * 1985-10-18 1990-11-06 Ube Ind Ltd High manganese steel having high rolling contact fatigue properties and its manufacture
JPH04154938A (en) * 1990-10-15 1992-05-27 Nippon Steel Corp High mn non-magnetic steel low in stress corrosion cracking sensitivity
US20020048529A1 (en) * 2000-10-19 2002-04-25 The Frog Switch And Manufacturing Company Grain-refined austenitic manganese steel casting having microadditions of vanandium and titanium and method of manufacturing

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6036647A (en) * 1983-08-06 1985-02-25 Kawasaki Steel Corp High manganese steel with superior local corrosion resistance
JPS6335758A (en) * 1986-07-30 1988-02-16 Nippon Kokan Kk <Nkk> Oxide dispersion-strengthened-type high-manganese austenitic stainless steel
FI904500A (en) * 1990-09-12 1992-03-13 Lokomo Oy SLITSTARKET STAOL OCH FOERFARANDE FOER FRAMSTAELLNING AV DETTA.
KR940007374B1 (en) * 1992-07-24 1994-08-16 포항종합제철 주식회사 Method of manufacturing austenite stainless steel
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
EP1846584B2 (en) * 2005-02-02 2022-12-14 Tata Steel IJmuiden B.V. Austenitic steel having high strength and formability method of producing said steel and use thereof
JP2009256765A (en) * 2008-03-26 2009-11-05 Minebea Co Ltd Nonmagnetic austenitic stainless steel, shaft or motor, and motor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB584669A (en) * 1942-07-22 1947-01-21 Electro Metallurg Co Improvements in and relating to cold rolled alloy iron or alloy steel articles
GB1047820A (en) * 1963-09-03 1966-11-09 Boehler & Co Ag Geb Improvements in or relating to non-magnetizable steels resisting stress crack corrosion
GB2010906A (en) * 1977-12-12 1979-07-04 Sumitomo Metal Ind Nonmagnetic alloy steel having machinability
JPH02270937A (en) * 1985-10-18 1990-11-06 Ube Ind Ltd High manganese steel having high rolling contact fatigue properties and its manufacture
JPH04154938A (en) * 1990-10-15 1992-05-27 Nippon Steel Corp High mn non-magnetic steel low in stress corrosion cracking sensitivity
US20020048529A1 (en) * 2000-10-19 2002-04-25 The Frog Switch And Manufacturing Company Grain-refined austenitic manganese steel casting having microadditions of vanandium and titanium and method of manufacturing

Also Published As

Publication number Publication date
EP2520684B9 (en) 2017-01-04
JP2013515864A (en) 2013-05-09
WO2011081393A2 (en) 2011-07-07
CA2785318C (en) 2014-06-10
CN102906294A (en) 2013-01-30
JP5668081B2 (en) 2015-02-12
CA2785318A1 (en) 2011-07-07
EP2520684B1 (en) 2016-10-26
WO2011081393A3 (en) 2011-11-10
EP2520684A2 (en) 2012-11-07
US20120288396A1 (en) 2012-11-15

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