DK2280089T3 - Rustfrit duplexstål - Google Patents

Rustfrit duplexstål Download PDF

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Publication number
DK2280089T3
DK2280089T3 DK10075573.5T DK10075573T DK2280089T3 DK 2280089 T3 DK2280089 T3 DK 2280089T3 DK 10075573 T DK10075573 T DK 10075573T DK 2280089 T3 DK2280089 T3 DK 2280089T3
Authority
DK
Denmark
Prior art keywords
percent
steel
duplex stainless
stainless steel
less
Prior art date
Application number
DK10075573.5T
Other languages
English (en)
Inventor
David S Bergstrom
John J Dunn
John F Grubb
William A Pratt
Original Assignee
Ati Properties Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21757316&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK2280089(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ati Properties Inc filed Critical Ati Properties Inc
Application granted granted Critical
Publication of DK2280089T3 publication Critical patent/DK2280089T3/da

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Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/004Heat treatment of ferrous alloys containing Cr and Ni
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/005Heat treatment of ferrous alloys containing Mn
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/001Austenite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/005Ferrite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Gas Separation By Absorption (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Heat Treatment Of Articles (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Glass Compositions (AREA)
  • Coating With Molten Metal (AREA)
  • Treatment Of Steel In Its Molten State (AREA)

Claims (10)

1. Rustfrit duplexstål, omfattende i vægt%: op til 0,06 karbon; 15 til mindre end 19 krom; 1 til mindre end 3 nikkel; op til 3,75 mangan; mere end 0,12 op til 0,35 nitrogen; op til 2 silicium; op til 1,5 molybdæn; op til 0,5 kobber; op til 0,2 kobolt; op til 0,05 phosphor; op til 0,005 procent svovl; op til 0,03 procent bor; som rest jern og opståede urenheder.
2. Rustfrit duplexstål ifølge krav 1, omfattende op til 0,03 procent karbon.
3. Rustfrit duplexstål ifølge krav 1, omfattende 17 til mindre end 19 procent krom.
4. Rustfrit duplexstål ifølge krav 1, omfattende 1,5 til mindre end 2,75 procent nickel.
5. Rustfrit duplexstål ifølge krav 1, omfattende mere end 0,12 op til 0,20 procent nitrogen.
6. Rustfrit duplexstål ifølge krav 1, omfattende op til 1 procent silicium.
7. Rustfrit duplexstål ifølge krav 1, omfattende 1 op til 1,5 procent molybdæn.
8. Fremstillingsartikel indeholdende et rustfrit duplexstål ifølge et hvilket som helst af de foregående krav.
9. Artikel ifølge krav 8, hvor artiklen er udvalgt fra gruppen bestående af bånd, stang, plade, blad, støbedel, rør og rørsystem.
10. Fremgangsmåde til fremstilling af et rustfrit duplexstål, hvor fremgangsmåden omfatter: tilvejebringelse af et rustfrit duplexstål ifølge et hvilket som helst af kravene 1 til 7; opløsningudglødning af stålet; og afkøling af stålet.
DK10075573.5T 2001-10-30 2002-03-01 Rustfrit duplexstål DK2280089T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1290801A 2001-10-30 2001-10-30
EP02707947A EP1446509B9 (en) 2001-10-30 2002-03-01 Duplex stainless steels

Publications (1)

Publication Number Publication Date
DK2280089T3 true DK2280089T3 (da) 2016-11-07

Family

ID=21757316

Family Applications (2)

Application Number Title Priority Date Filing Date
DK10075573.5T DK2280089T3 (da) 2001-10-30 2002-03-01 Rustfrit duplexstål
DK02707947.4T DK1446509T3 (da) 2001-10-30 2002-03-01 Rustfrit duplexstål

Family Applications After (1)

Application Number Title Priority Date Filing Date
DK02707947.4T DK1446509T3 (da) 2001-10-30 2002-03-01 Rustfrit duplexstål

Country Status (19)

Country Link
US (1) US6623569B2 (da)
EP (2) EP2280089B1 (da)
JP (1) JP2005507459A (da)
KR (1) KR100834595B1 (da)
CN (1) CN100392118C (da)
AT (1) ATE541951T1 (da)
AU (1) AU2002242314B2 (da)
BR (1) BR0213436A (da)
CA (1) CA2462963C (da)
DK (2) DK2280089T3 (da)
ES (2) ES2590920T3 (da)
IL (2) IL161289A0 (da)
MX (1) MXPA04003768A (da)
NO (2) NO339947B1 (da)
PL (1) PL197902B1 (da)
RU (1) RU2280707C2 (da)
TW (1) TWI318647B (da)
WO (1) WO2003038136A1 (da)
ZA (1) ZA200402965B (da)

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KR20060074400A (ko) * 2004-12-27 2006-07-03 주식회사 포스코 니켈 절감형 고내식성 2상 스테인리스강
US7807028B2 (en) * 2005-03-09 2010-10-05 Xstrata Queensland Limited Stainless steel electrolytic plates
CN101668873B (zh) * 2007-04-27 2012-11-28 株式会社神户制钢所 耐晶界腐蚀性和耐应力腐蚀性优异的奥氏体系不锈钢以及奥氏体系不锈钢钢材的制造方法
JP5395805B2 (ja) * 2007-11-29 2014-01-22 エイティーアイ・プロパティーズ・インコーポレーテッド オーステナイト系のリーンステンレス鋼
ES2644452T3 (es) 2007-12-20 2017-11-29 Ati Properties, Inc. Acero inoxidable austenítico magro resistente a la corrosión
US8337749B2 (en) 2007-12-20 2012-12-25 Ati Properties, Inc. Lean austenitic stainless steel
ES2394980T3 (es) * 2007-12-20 2013-02-07 Ati Properties, Inc. Acero inoxidable austenítico bajo en níquel conteniendo elementos estabilizantes
FI125458B (fi) * 2008-05-16 2015-10-15 Outokumpu Oy Ruostumaton terästuote, tuotteen käyttö ja menetelmä sen valmistamiseksi
US8888838B2 (en) 2009-12-31 2014-11-18 W. L. Gore & Associates, Inc. Endoprosthesis containing multi-phase ferrous steel
US20110160838A1 (en) * 2009-12-31 2011-06-30 Blanzy Jeffrey S Endoprosthesis containing multi-phase ferrous steel
KR20120132691A (ko) 2010-04-29 2012-12-07 오또꿈뿌 오와이제이 높은 성형성을 구비하는 페라이트-오스테나이트계 스테인리스 강의 제조 및 사용 방법
FI122657B (fi) 2010-04-29 2012-05-15 Outokumpu Oy Menetelmä korkean muokattavuuden omaavan ferriittis-austeniittisen ruostumattoman teräksen valmistamiseksi ja hyödyntämiseksi
KR101312783B1 (ko) 2011-09-28 2013-09-27 주식회사 포스코 충격인성 및 코일 형상이 우수한 슈퍼 듀플렉스 스테인리스강의 연속소둔방법
KR20130034349A (ko) 2011-09-28 2013-04-05 주식회사 포스코 내식성 및 열간가공성이 우수한 저합금 듀플렉스 스테인리스강
UA111115C2 (uk) 2012-04-02 2016-03-25 Ейкей Стіл Пропертіс, Інк. Рентабельна феритна нержавіюча сталь
FI125466B (en) 2014-02-03 2015-10-15 Outokumpu Oy DOUBLE STAINLESS STEEL
FI126577B (en) 2014-06-17 2017-02-28 Outokumpu Oy DUPLEX STAINLESS STEEL
CN105861951B (zh) * 2016-06-07 2017-11-03 东北特钢集团大连特殊钢有限责任公司 镍不锈钢超大规格连铸坯制造方法

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Also Published As

Publication number Publication date
PL197902B1 (pl) 2008-05-30
IL161289A0 (en) 2004-09-27
KR100834595B1 (ko) 2008-06-02
ZA200402965B (en) 2012-09-26
EP1446509A1 (en) 2004-08-18
CN100392118C (zh) 2008-06-04
EP2280089B1 (en) 2016-08-10
ATE541951T1 (de) 2012-02-15
NO20042201L (no) 2004-05-27
TWI318647B (en) 2009-12-21
NO339947B1 (no) 2017-02-20
BR0213436A (pt) 2004-11-09
WO2003038136A1 (en) 2003-05-08
US6623569B2 (en) 2003-09-23
DK1446509T3 (da) 2012-04-10
NO344633B1 (no) 2020-02-17
AU2002242314C1 (en) 2003-05-12
RU2004116332A (ru) 2005-06-10
ES2395118T3 (es) 2013-02-08
CA2462963A1 (en) 2003-05-08
EP1446509A4 (en) 2005-04-20
AU2002242314B2 (en) 2007-04-26
US20030084971A1 (en) 2003-05-08
EP2280089A1 (en) 2011-02-02
KR20040078100A (ko) 2004-09-08
HK1070926A1 (en) 2005-06-30
IL161289A (en) 2007-07-24
MXPA04003768A (es) 2004-07-30
JP2005507459A (ja) 2005-03-17
PL368180A1 (en) 2005-03-21
ES2590920T3 (es) 2016-11-24
AU2002242314A2 (en) 2003-05-12
EP1446509B1 (en) 2012-01-18
NO20161860A1 (no) 2004-05-27
EP1446509B9 (en) 2012-08-01
RU2280707C2 (ru) 2006-07-27
CA2462963C (en) 2009-10-13
CN1578843A (zh) 2005-02-09

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