EP3239344A4 - Lean duplex stainless steel and method for producing same - Google Patents

Lean duplex stainless steel and method for producing same Download PDF

Info

Publication number
EP3239344A4
EP3239344A4 EP15873672.8A EP15873672A EP3239344A4 EP 3239344 A4 EP3239344 A4 EP 3239344A4 EP 15873672 A EP15873672 A EP 15873672A EP 3239344 A4 EP3239344 A4 EP 3239344A4
Authority
EP
European Patent Office
Prior art keywords
stainless steel
producing same
duplex stainless
lean duplex
lean
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
EP15873672.8A
Other languages
German (de)
French (fr)
Other versions
EP3239344A1 (en
EP3239344B1 (en
Inventor
Jeom Yong Choi
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
Application filed by Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP3239344A1 publication Critical patent/EP3239344A1/en
Publication of EP3239344A4 publication Critical patent/EP3239344A4/en
Application granted granted Critical
Publication of EP3239344B1 publication Critical patent/EP3239344B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/22—Controlling or regulating processes or operations for cooling cast stock or mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
    • B22D11/055—Cooling the moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • 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
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
    • 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
    • C22C38/18—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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C21D2211/005—Ferrite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials 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)
  • Continuous Casting (AREA)
EP15873672.8A 2014-12-26 2015-12-24 Method for producing a lean duplex stainless steel Active EP3239344B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20140191170 2014-12-26
PCT/KR2015/014235 WO2016105145A1 (en) 2014-12-26 2015-12-24 Lean duplex stainless steel and method for producing same

Publications (3)

Publication Number Publication Date
EP3239344A1 EP3239344A1 (en) 2017-11-01
EP3239344A4 true EP3239344A4 (en) 2018-05-30
EP3239344B1 EP3239344B1 (en) 2021-10-20

Family

ID=56151068

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15873672.8A Active EP3239344B1 (en) 2014-12-26 2015-12-24 Method for producing a lean duplex stainless steel

Country Status (6)

Country Link
US (1) US20170326628A1 (en)
EP (1) EP3239344B1 (en)
JP (1) JP6484716B2 (en)
KR (1) KR101766550B1 (en)
CN (1) CN107107173B (en)
WO (1) WO2016105145A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101795406B1 (en) 2016-06-27 2017-11-08 현대자동차 주식회사 Abrasion compensation device, actuator unit hainv this, and vehicle having this
ES2903435T3 (en) * 2016-09-29 2022-04-01 Outokumpu Oy Method for cold deformation of an austenitic steel
KR101977492B1 (en) * 2017-11-10 2019-08-28 주식회사 포스코 Austenitic stainless steel and method for manufacturing the same
KR102020405B1 (en) * 2017-12-15 2019-09-10 주식회사 포스코 High-nitrogen stainless steel having excellent surface quality and mathod for manufacturing thereof
CN108570629B (en) * 2018-04-27 2020-03-20 钢铁研究总院 High-strength acid corrosion resistant duplex stainless steel and preparation method thereof
CN108796385A (en) * 2018-06-15 2018-11-13 酒泉钢铁(集团)有限责任公司 A kind of titaniferous corrosion-proof wear low cost crust-breaking chips material and the method using the material preparation tup
CN110369686A (en) * 2019-07-03 2019-10-25 西安理工大学 A kind of cast iron horizontal continuous caster sprays device for cooling three times
CN114619007B (en) * 2022-02-14 2024-03-08 包头钢铁（集团）有限责任公司 Production method of low-alloy high-nitrogen steel continuous casting blank

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996024452A1 (en) * 1995-02-09 1996-08-15 Kawasaki Steel Corporation Continuous casting method for austenitic stainless steel
KR20010073236A (en) * 1999-11-09 2001-08-01 이구택 Method for continuously casting duplex stainless steel
EP1715073A1 (en) * 2004-01-29 2006-10-25 JFE Steel Corporation Austenitic-ferritic stainless steel
EP2246453A1 (en) * 2008-01-22 2010-11-03 Nippon Steel & Sumikin Stainless Steel Corporation Ferrite-austenite stainless steel sheet for structural members excellent in workability and impact absorption characteristics and process for the production of the sheet
KR20120016369A (en) * 2010-08-16 2012-02-24 주식회사 포스코 A method of manufacturing duplex stainless steel by twin roll strip caster
CN102634740A (en) * 2012-04-27 2012-08-15 宝山钢铁股份有限公司 High-plasticity economical duplex stainless steel and manufacturing method thereof
WO2013081422A1 (en) * 2011-11-30 2013-06-06 (주)포스코 Lean duplex stainless steel and preparation method thereof
KR20130060658A (en) * 2011-11-30 2013-06-10 주식회사 포스코 Lean duplex stainless steel
KR20130125071A (en) * 2012-05-08 2013-11-18 주식회사 포스코 Strip casting roll for manufacturing high nitrogen stainless steel and manufacturing method for high nitrogen stainless steel using the same
EP2699704A1 (en) * 2011-04-18 2014-02-26 Outokumpu, Oyj Method for manufacturing and utilizing ferritic-austenitic stainless steel
KR20140080347A (en) * 2012-12-20 2014-06-30 주식회사 포스코 Super ductile lean duplex stainless steel
KR20140082491A (en) * 2012-12-24 2014-07-02 주식회사 포스코 Method for cold rolling for duplex stainless steel
KR20140084721A (en) * 2012-12-27 2014-07-07 주식회사 포스코 Twin Roll Strip Caster
CN104131237A (en) * 2014-06-19 2014-11-05 宝钢不锈钢有限公司 Economic type diphasic stainless steel with good toughness and weldability and manufacturing method thereof

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07138704A (en) 1993-11-12 1995-05-30 Nisshin Steel Co Ltd High strength and high ductility dual-phase stainless steel and its production
JPH10257018A (en) 1997-03-07 1998-09-25 Sharp Corp Synchronization circuit
JP4498847B2 (en) * 2003-11-07 2010-07-07 新日鐵住金ステンレス株式会社 Austenitic high Mn stainless steel with excellent workability
JP4760031B2 (en) * 2004-01-29 2011-08-31 Ｊｆｅスチール株式会社 Austenitic ferritic stainless steel with excellent formability
JP2005271307A (en) 2004-03-23 2005-10-06 Konica Minolta Business Technologies Inc Image forming apparatus and apparatus information output method therefor
KR100821059B1 (en) * 2006-12-28 2008-04-16 주식회사 포스코 Ferritic stainless steel with high corrosion resistance and stretchability and the method of manufacturing the same
CN101765671B (en) * 2007-08-02 2012-01-11 新日铁住金不锈钢株式会社 Ferritic-austenitic stainless steel excellent in corrosion resistance and workability and process for manufacturing the same
JP5421615B2 (en) * 2009-02-24 2014-02-19 日新製鋼株式会社 Ni-saving stainless steel automotive parts
CN101812647B (en) * 2009-02-25 2012-10-10 宝山钢铁股份有限公司 Diphase stainless steel and manufacturing method thereof
FI122657B (en) * 2010-04-29 2012-05-15 Outokumpu Oy Process for producing and utilizing high formability ferrite-austenitic stainless steel
FI126574B (en) * 2011-09-07 2017-02-28 Outokumpu Oy Duplex stainless steel
CN103602914A (en) * 2013-11-15 2014-02-26 上海大学兴化特种不锈钢研究院 Economical high-performance duplex stainless steel with stable structure
KR101613839B1 (en) 2013-11-27 2016-04-20 주식회사 에이치씨바이오텍 The red pepper paste is added subcritical extract of Phellinus linteus and the manufacturing method of it

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996024452A1 (en) * 1995-02-09 1996-08-15 Kawasaki Steel Corporation Continuous casting method for austenitic stainless steel
KR20010073236A (en) * 1999-11-09 2001-08-01 이구택 Method for continuously casting duplex stainless steel
EP1715073A1 (en) * 2004-01-29 2006-10-25 JFE Steel Corporation Austenitic-ferritic stainless steel
EP2246453A1 (en) * 2008-01-22 2010-11-03 Nippon Steel & Sumikin Stainless Steel Corporation Ferrite-austenite stainless steel sheet for structural members excellent in workability and impact absorption characteristics and process for the production of the sheet
KR20120016369A (en) * 2010-08-16 2012-02-24 주식회사 포스코 A method of manufacturing duplex stainless steel by twin roll strip caster
EP2699704A1 (en) * 2011-04-18 2014-02-26 Outokumpu, Oyj Method for manufacturing and utilizing ferritic-austenitic stainless steel
WO2013081422A1 (en) * 2011-11-30 2013-06-06 (주)포스코 Lean duplex stainless steel and preparation method thereof
KR20130060658A (en) * 2011-11-30 2013-06-10 주식회사 포스코 Lean duplex stainless steel
CN102634740A (en) * 2012-04-27 2012-08-15 宝山钢铁股份有限公司 High-plasticity economical duplex stainless steel and manufacturing method thereof
KR20130125071A (en) * 2012-05-08 2013-11-18 주식회사 포스코 Strip casting roll for manufacturing high nitrogen stainless steel and manufacturing method for high nitrogen stainless steel using the same
KR20140080347A (en) * 2012-12-20 2014-06-30 주식회사 포스코 Super ductile lean duplex stainless steel
KR20140082491A (en) * 2012-12-24 2014-07-02 주식회사 포스코 Method for cold rolling for duplex stainless steel
KR20140084721A (en) * 2012-12-27 2014-07-07 주식회사 포스코 Twin Roll Strip Caster
CN104131237A (en) * 2014-06-19 2014-11-05 宝钢不锈钢有限公司 Economic type diphasic stainless steel with good toughness and weldability and manufacturing method thereof

Also Published As

Publication number Publication date
EP3239344A1 (en) 2017-11-01
CN107107173A (en) 2017-08-29
CN107107173B (en) 2019-11-01
KR20160080275A (en) 2016-07-07
WO2016105145A1 (en) 2016-06-30
KR101766550B1 (en) 2017-08-10
EP3239344B1 (en) 2021-10-20
JP2018503741A (en) 2018-02-08
JP6484716B2 (en) 2019-03-13
US20170326628A1 (en) 2017-11-16

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