EP3239344A4 - Dünner duplex-edelstahl und verfahren zur herstellung davon - Google Patents

Dünner duplex-edelstahl und verfahren zur herstellung davon Download PDF

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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
English (en)
French (fr)
Other versions
EP3239344B1 (de
EP3239344A1 (de
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/de
Publication of EP3239344A4 publication Critical patent/EP3239344A4/de
Application granted granted Critical
Publication of EP3239344B1 publication Critical patent/EP3239344B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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 Verfahren zur herstellung eines lean duplex edelstahls Active EP3239344B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20140191170 2014-12-26
PCT/KR2015/014235 WO2016105145A1 (ko) 2014-12-26 2015-12-24 린 듀플렉스 스테인리스강 및 그 제조방법

Publications (3)

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

Family

ID=56151068

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15873672.8A Active EP3239344B1 (de) 2014-12-26 2015-12-24 Verfahren zur herstellung eines lean duplex edelstahls

Country Status (6)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
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KR101795406B1 (ko) 2016-06-27 2017-11-08 현대자동차 주식회사 마모 보상장치, 이를 구비한 클러치 액추에이터 유닛, 및 이를 구비한 차량
ES2903435T3 (es) * 2016-09-29 2022-04-01 Outokumpu Oy Método para la deformación en frío de un acero austenítico
KR101977492B1 (ko) * 2017-11-10 2019-08-28 주식회사 포스코 고질소 오스테나이트계 스테인리스 강 및 그 제조방법
KR102020405B1 (ko) * 2017-12-15 2019-09-10 주식회사 포스코 표면품질이 우수한 고질소 스테인리스강 및 이의 제조방법
CN108570629B (zh) * 2018-04-27 2020-03-20 钢铁研究总院 一种高强、耐酸腐蚀的双相不锈钢及其制备方法
CN108796385A (zh) * 2018-06-15 2018-11-13 酒泉钢铁(集团)有限责任公司 一种含钛耐蚀耐磨低成本打壳锤头材料及使用该材料制备锤头的方法
CN110369686A (zh) * 2019-07-03 2019-10-25 西安理工大学 一种铸铁水平连铸三次喷冷装置
CN114619007B (zh) * 2022-02-14 2024-03-08 包头钢铁（集团）有限责任公司 一种低合金高氮钢连铸坯的生产方法

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WO1996024452A1 (fr) * 1995-02-09 1996-08-15 Kawasaki Steel Corporation Procede de coulee continue pour acier inoxydable austenitique
KR20010073236A (ko) * 1999-11-09 2001-08-01 이구택 텅스텐 함유 듀플렉스 스테인레스강 연속주조방법
EP1715073A1 (de) * 2004-01-29 2006-10-25 JFE Steel Corporation Austenitisch-ferritischer nichtrostender stahl
EP2246453A1 (de) * 2008-01-22 2010-11-03 Nippon Steel & Sumikin Stainless Steel Corporation Ferrit-austenit-edelstahlblech für strukturelemente mit hervorragenden verarbeitungs- und aufprallabsorptionseigenschaften sowie verfahren zu seiner herstellung
KR20120016369A (ko) * 2010-08-16 2012-02-24 주식회사 포스코 연속박판 주조기를 이용한 듀플렉스 스테인레스 강의 제조방법
CN102634740A (zh) * 2012-04-27 2012-08-15 宝山钢铁股份有限公司 一种高塑性的经济型双相不锈钢及其制造方法
WO2013081422A1 (ko) * 2011-11-30 2013-06-06 (주)포스코 린 듀플렉스 스테인리스강 및 그 제조방법
KR20130060658A (ko) * 2011-11-30 2013-06-10 주식회사 포스코 린 듀플렉스 스테인리스강
KR20130125071A (ko) * 2012-05-08 2013-11-18 주식회사 포스코 고질소 스테인레스 강판을 제조하기 위한 박판주조롤 및 이를 이용한 고질소 스테인레스 강판의 제조방법
EP2699704A1 (de) * 2011-04-18 2014-02-26 Outokumpu, Oyj Verfahren zur herstellung und verwendung eines ferritisch-austenitischen edelstahls
KR20140080347A (ko) * 2012-12-20 2014-06-30 주식회사 포스코 고연성 린 듀플렉스 스테인리스강.
KR20140082491A (ko) * 2012-12-24 2014-07-02 주식회사 포스코 듀플렉스강의 냉간압연 방법
KR20140084721A (ko) * 2012-12-27 2014-07-07 주식회사 포스코 쌍롤식 박판 주조기
CN104131237A (zh) * 2014-06-19 2014-11-05 宝钢不锈钢有限公司 具有优良韧性与焊接性的经济型双相不锈钢及其制造方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996024452A1 (fr) * 1995-02-09 1996-08-15 Kawasaki Steel Corporation Procede de coulee continue pour acier inoxydable austenitique
KR20010073236A (ko) * 1999-11-09 2001-08-01 이구택 텅스텐 함유 듀플렉스 스테인레스강 연속주조방법
EP1715073A1 (de) * 2004-01-29 2006-10-25 JFE Steel Corporation Austenitisch-ferritischer nichtrostender stahl
EP2246453A1 (de) * 2008-01-22 2010-11-03 Nippon Steel & Sumikin Stainless Steel Corporation Ferrit-austenit-edelstahlblech für strukturelemente mit hervorragenden verarbeitungs- und aufprallabsorptionseigenschaften sowie verfahren zu seiner herstellung
KR20120016369A (ko) * 2010-08-16 2012-02-24 주식회사 포스코 연속박판 주조기를 이용한 듀플렉스 스테인레스 강의 제조방법
EP2699704A1 (de) * 2011-04-18 2014-02-26 Outokumpu, Oyj Verfahren zur herstellung und verwendung eines ferritisch-austenitischen edelstahls
WO2013081422A1 (ko) * 2011-11-30 2013-06-06 (주)포스코 린 듀플렉스 스테인리스강 및 그 제조방법
KR20130060658A (ko) * 2011-11-30 2013-06-10 주식회사 포스코 린 듀플렉스 스테인리스강
CN102634740A (zh) * 2012-04-27 2012-08-15 宝山钢铁股份有限公司 一种高塑性的经济型双相不锈钢及其制造方法
KR20130125071A (ko) * 2012-05-08 2013-11-18 주식회사 포스코 고질소 스테인레스 강판을 제조하기 위한 박판주조롤 및 이를 이용한 고질소 스테인레스 강판의 제조방법
KR20140080347A (ko) * 2012-12-20 2014-06-30 주식회사 포스코 고연성 린 듀플렉스 스테인리스강.
KR20140082491A (ko) * 2012-12-24 2014-07-02 주식회사 포스코 듀플렉스강의 냉간압연 방법
KR20140084721A (ko) * 2012-12-27 2014-07-07 주식회사 포스코 쌍롤식 박판 주조기
CN104131237A (zh) * 2014-06-19 2014-11-05 宝钢不锈钢有限公司 具有优良韧性与焊接性的经济型双相不锈钢及其制造方法

Also Published As

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

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