EP2520684A4 - AUSTENITSTAHLMATERIAL WITH INCREASED DURABILITY - Google Patents

AUSTENITSTAHLMATERIAL WITH INCREASED DURABILITY

Info

Publication number: EP2520684A4
Authority: EP; European Patent Office
Prior art keywords: austenitstahlmaterial; increased durability; durability; increased
Prior art date: 2009-12-28
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

EP2520684A2 (en

EP2520684B1 (en

EP2520684B9 (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.)

2009-12-28

Filing date

2010-12-28

Publication date

2015-01-14

2009-12-28 Priority claimed from KR1020090132105A external-priority patent/KR101322170B1/en

2010-12-23 Priority claimed from KR1020100133641A external-priority patent/KR101253860B1/en

2010-12-28 Application filed by Posco Co Ltd filed Critical Posco Co Ltd

2012-11-07 Publication of EP2520684A2 publication Critical patent/EP2520684A2/en

2015-01-14 Publication of EP2520684A4 publication Critical patent/EP2520684A4/en

2016-10-26 Publication of EP2520684B1 publication Critical patent/EP2520684B1/en

2017-01-04 Application granted granted Critical

2017-01-04 Publication of EP2520684B9 publication Critical patent/EP2520684B9/en

Status Active legal-status Critical Current

2030-12-28 Anticipated expiration legal-status Critical

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

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Heat Treatment Of Steel (AREA)
Heat Treatment Of Sheet Steel (AREA)
Manufacture And Refinement Of Metals (AREA)

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 (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN104220617B (en)	2011-12-27	2016-10-26	Posco公司	There is the machining property of excellence and there is in welding heat affected region the austenitic steel of low-temperature flexibility, and manufacture method
JP5879448B2 (en)	2011-12-28	2016-03-08	ポスコ	Abrasion-resistant austenitic steel with excellent toughness of weld heat-affected zone and method for producing the same
CN104204262B (en) *	2011-12-28	2018-02-02	Posco公司	Abrasive austenic steel and its production method with excellent machining property and ductility
CN104884661B (en) *	2012-12-26	2017-05-31	Posco公司	Excellent high intensity austenitic type steel of welding heat influence area toughness and preparation method thereof
KR101490567B1 (en)	2012-12-27	2015-02-05	주식회사 포스코	High manganese wear resistance steel having excellent weldability and method for manufacturing the same
US10229776B2 (en) *	2013-10-31	2019-03-12	General Electric Company	Multi-phase magnetic component and method of forming
US10229777B2 (en) *	2013-10-31	2019-03-12	General Electric Company	Graded 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
CN117265419A (en)	2022-06-15	2023-12-22	宝山钢铁股份有限公司	High-formability, easy-phosphating and high-manganese cold-rolled steel sheet with strength of 1000-1600MPa and manufacturing method thereof

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 with high rolling fatigue properties and its manufacturing method
JPH04154938A (en) *	1990-10-15	1992-05-27	Nippon Steel Corp	High Mn nonmagnetic steel with low stress corrosion cracking susceptibility
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	Austenitic high manganese steel with excellent formability, strength and weldability, and its manufacturing method
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
US20090165897A1 (en) *	2005-02-02	2009-07-02	Corus Staal Bv	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

2010
- 2010-12-28 WO PCT/KR2010/009393 patent/WO2011081393A2/en active Application Filing
- 2010-12-28 EP EP10841225.5A patent/EP2520684B9/en active Active
- 2010-12-28 CA CA2785318A patent/CA2785318C/en active Active
- 2010-12-28 JP JP2012547009A patent/JP5668081B2/en active Active
- 2010-12-28 CN CN2010800648461A patent/CN102906294A/en active Pending
- 2010-12-28 US US13/519,343 patent/US20120288396A1/en not_active Abandoned

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 with high rolling fatigue properties and its manufacturing method
JPH04154938A (en) *	1990-10-15	1992-05-27	Nippon Steel Corp	High Mn nonmagnetic steel with low stress corrosion cracking susceptibility
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
CA2785318C (en)	2014-06-10
EP2520684A2 (en)	2012-11-07
WO2011081393A3 (en)	2011-11-10
JP5668081B2 (en)	2015-02-12
JP2013515864A (en)	2013-05-09
EP2520684B1 (en)	2016-10-26
WO2011081393A2 (en)	2011-07-07
CN102906294A (en)	2013-01-30
EP2520684B9 (en)	2017-01-04
US20120288396A1 (en)	2012-11-15
CA2785318A1 (en)	2011-07-07

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2015-01-14	A4	Supplementary search report drawn up and despatched	Effective date: 20141217
2015-01-14	RIC1	Information provided on ipc code assigned before grant	Ipc: C22C 38/18 20060101ALI20141211BHEP Ipc: C22C 38/04 20060101AFI20141211BHEP
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