NO341532B1 - Duplex stainless steel alloy, article containing the alloy and use of the alloy or article. - Google Patents

Duplex stainless steel alloy, article containing the alloy and use of the alloy or article.

Info

Publication number
NO341532B1
NO341532B1 NO20072275A NO20072275A NO341532B1 NO 341532 B1 NO341532 B1 NO 341532B1 NO 20072275 A NO20072275 A NO 20072275A NO 20072275 A NO20072275 A NO 20072275A NO 341532 B1 NO341532 B1 NO 341532B1
Authority
NO
Norway
Prior art keywords
alloy
article
stainless steel
duplex stainless
article containing
Prior art date
Application number
NO20072275A
Other languages
Norwegian (no)
Other versions
NO20072275L (en
Inventor
Pasi Kangas
Karin Jakobsson
Original Assignee
Sandvik Intellectual Property
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 Sandvik Intellectual Property filed Critical Sandvik Intellectual Property
Publication of NO20072275L publication Critical patent/NO20072275L/en
Publication of NO341532B1 publication Critical patent/NO341532B1/en

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
    • C22C38/18—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—Selection of soldering or welding materials proper
    • B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
    • B23K35/3053—Fe as the principal constituent
    • 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
    • C22C38/40—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
    • C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
    • 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)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

En dupleks rustfri stållegering som i vekt% inneholder: Cr 25-35%, Ni 4-10%, Mo 1-6%, N 0,3-0,6%, Mn mer enn 0-3%, Si maks 1,0%, C maks 0,06%, Cu og/eller W og/eller Co 0,1-10%, W 0,1-5%, rest Fe og vanlig forekommende urenheter hvor ferrittinnholdet er 30-70%. Legeringen har en flytegrense på minimum 760 MPa.A duplex stainless steel alloy containing by weight%: Cr 25-35%, Ni 4-10%, Mo 1-6%, N 0.3-0.6%, Mn more than 0-3%, Si max 1, 0%, C max 0.06%, Cu and / or W and / or Co 0.1-10%, W 0.1-5%, residual Fe and common occurring impurities where the ferrite content is 30-70%. The alloy has a yield strength of at least 760 MPa.

NO20072275A 2004-11-04 2007-05-03 Duplex stainless steel alloy, article containing the alloy and use of the alloy or article. NO341532B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0402698A SE528782C2 (en) 2004-11-04 2004-11-04 Duplex stainless steel with high yield strength, articles and use of the steel
PCT/SE2005/001661 WO2006049572A1 (en) 2004-11-04 2005-11-04 Duplex stainless steel

Publications (2)

Publication Number Publication Date
NO20072275L NO20072275L (en) 2007-06-13
NO341532B1 true NO341532B1 (en) 2017-12-04

Family

ID=33488170

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20072275A NO341532B1 (en) 2004-11-04 2007-05-03 Duplex stainless steel alloy, article containing the alloy and use of the alloy or article.

Country Status (10)

Country Link
US (1) US20080138232A1 (en)
EP (1) EP1812614A4 (en)
JP (1) JP2008519165A (en)
KR (1) KR20070073870A (en)
CN (1) CN101057002A (en)
AU (1) AU2005301376B2 (en)
CA (1) CA2586452A1 (en)
NO (1) NO341532B1 (en)
SE (1) SE528782C2 (en)
WO (1) WO2006049572A1 (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101367161B (en) * 2007-08-18 2011-07-20 中国船舶重工集团公司第七二五研究所 Low-hydrogen super diphasic stainless steel electrode
EP2228578A1 (en) * 2009-03-13 2010-09-15 NV Bekaert SA High nitrogen stainless steel wire for flexible pipe
SE534779C2 (en) 2010-03-03 2011-12-20 Sandvik Intellectual Property Method of manufacturing a stainless steel wire product
CH704427A1 (en) * 2011-01-20 2012-07-31 Alstom Technology Ltd Welding additive material.
MX355893B (en) * 2011-02-14 2018-05-04 Nippon Steel & Sumitomo Metal Corp Welded duplex stainless joint.
BR112013020445B1 (en) * 2011-02-14 2019-08-13 Nippon Steel & Sumitomo Metal Corp duplex stainless steel and production method for the same
FI125854B (en) * 2011-11-04 2016-03-15 Outokumpu Oy Duplex stainless steel
EP2737972A1 (en) * 2012-11-28 2014-06-04 Sandvik Intellectual Property AB Welding material for weld cladding
JP5803890B2 (en) * 2012-12-07 2015-11-04 Ｊｆｅスチール株式会社 Duplex stainless clad steel excellent in pitting corrosion resistance, duplex stainless clad steel using the same, and method for producing the same
CN103438951A (en) * 2013-09-06 2013-12-11 高正 Alloy steel wear-resisting anti-blocking type air volume and air velocity transducer
CN105899706A (en) * 2013-12-27 2016-08-24 山特维克知识产权股份有限公司 Corrosion resistant duplex steel alloy, objects made thereof, and method of making the alloy
KR20180031009A (en) * 2015-07-20 2018-03-27 산드빅 인터렉츄얼 프로퍼티 에이비 Duplex stainless steel and the above-mentioned duplex stainless steel
AR105403A1 (en) 2015-07-20 2017-09-27 Stamicarbon STAINLESS STEEL DUPLEX AND USE OF THIS, ESPECIALLY IN THE PRODUCTION OF UREA
KR101889176B1 (en) * 2016-12-15 2018-08-16 주식회사 포스코 High strength duplex stainless steel reduced cracking and method for manufacturing the same
KR20200080312A (en) * 2017-11-15 2020-07-06 닛폰세이테츠 가부시키가이샤 Method for manufacturing two-phase stainless steel and two-phase stainless steel
EP3502293B1 (en) 2017-12-22 2020-05-13 Saipem S.p.A. Uses of duplex stainless steels
EP3502294A1 (en) * 2017-12-22 2019-06-26 Tubacex Innovación A.I.E. Duplex stainless steel resistant to corrosion
CN111742075B (en) * 2018-02-15 2022-07-08 山特维克知识产权股份有限公司 Novel duplex stainless steel
US11098387B2 (en) * 2018-06-15 2021-08-24 Ab Sandvik Materials Technology Duplex stainless steel strip and method for producing thereof
KR102197316B1 (en) * 2018-12-28 2021-01-05 한국재료연구원 Duplex stainless steel for highly corrosive environment and method of manufacturing the same
NO348152B1 (en) 2020-11-05 2024-09-09 Aker Solutions As Umbilical, use of an umbilical, and an appurtenant method
CN113981724B (en) * 2021-09-26 2023-06-23 江苏亚盛金属制品有限公司 High-strength corrosion-resistant steel wire rope for ocean engineering mooring and manufacturing method thereof
WO2023198720A1 (en) * 2022-04-12 2023-10-19 Alleima Tube Ab New duplex stainless steel
WO2023198721A1 (en) * 2022-04-12 2023-10-19 Alleima Tube Ab A new welding duplex stainless steel material suitable for welding a duplex stainless steel, a welded joint and a welding method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6312532B1 (en) * 1999-06-29 2001-11-06 Sandvik Ab Ferritic-austenitic steel alloy
WO2003020994A1 (en) * 2001-09-02 2003-03-13 Sandvik Ab Duplex steel alloy

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2500162B2 (en) * 1991-11-11 1996-05-29 住友金属工業株式会社 High strength duplex stainless steel with excellent corrosion resistance
SE501321C2 (en) * 1993-06-21 1995-01-16 Sandvik Ab Ferrite-austenitic stainless steel and use of the steel
JPH0813094A (en) * 1994-06-24 1996-01-16 Sumitomo Metal Mining Co Ltd Duplex stainless cast steel and production thereof
JPH09209087A (en) * 1996-02-01 1997-08-12 Sumitomo Metal Mining Co Ltd Duplex stainless steel
EP0867256B1 (en) * 1996-09-13 2001-12-19 Sumitomo Metal Industries, Ltd. Welding material for stainless steels
SE9902346L (en) * 1999-06-21 2000-08-07 Sandvik Ab Use of a stainless steel alloy such as umbilical tube in marine environment
SE0000678L (en) * 2000-03-02 2001-04-30 Sandvik Ab Duplex stainless steel
SE524951C2 (en) * 2001-09-02 2004-10-26 Sandvik Ab Use of a duplex stainless steel alloy
SE525252C2 (en) * 2001-11-22 2005-01-11 Sandvik Ab Super austenitic stainless steel and the use of this steel
KR100460346B1 (en) * 2002-03-25 2004-12-08 이인성 Super duplex stainless steel with a suppressed formation of intermetallic phases and having an excellent corrosion resistance, embrittlement resistance, castability and hot workability

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6312532B1 (en) * 1999-06-29 2001-11-06 Sandvik Ab Ferritic-austenitic steel alloy
WO2003020994A1 (en) * 2001-09-02 2003-03-13 Sandvik Ab Duplex steel alloy

Also Published As

Publication number Publication date
NO20072275L (en) 2007-06-13
EP1812614A4 (en) 2009-11-18
JP2008519165A (en) 2008-06-05
KR20070073870A (en) 2007-07-10
AU2005301376B2 (en) 2010-04-22
CA2586452A1 (en) 2006-05-11
EP1812614A1 (en) 2007-08-01
WO2006049572A1 (en) 2006-05-11
CN101057002A (en) 2007-10-17
AU2005301376A1 (en) 2006-05-11
SE0402698D0 (en) 2004-11-04
SE0402698L (en) 2006-05-05
US20080138232A1 (en) 2008-06-12
SE528782C2 (en) 2007-02-13

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