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AU2001288179A1 - Ferritic-austenitic stainless steel - Google Patents

Ferritic-austenitic stainless steel

Info

Publication number
AU2001288179A1
AU2001288179A1 AU2001288179A AU8817901A AU2001288179A1 AU 2001288179 A1 AU2001288179 A1 AU 2001288179A1 AU 2001288179 A AU2001288179 A AU 2001288179A AU 8817901 A AU8817901 A AU 8817901A AU 2001288179 A1 AU2001288179 A1 AU 2001288179A1
Authority
AU
Australia
Prior art keywords
ferritic
stainless steel
austenitic stainless
nieq
creq
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.)
Abandoned
Application number
AU2001288179A
Inventor
Elisabeth Alfonsson
Per Johansson
Mats Liljas
Jun Wang
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.)
Outokumpu Stainless AB
Original Assignee
AvestaPolarit AB
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=20281174&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU2001288179(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by AvestaPolarit AB filed Critical AvestaPolarit AB
Publication of AU2001288179A1 publication Critical patent/AU2001288179A1/en
Abandoned legal-status Critical Current

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
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of 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
    • C22C38/001—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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • 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)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

A ferritic-austenitic stainless steel having a microstructure containing 35-65 vol-% ferrite and 35-65 vol-% austenite has a chemical composition which contains in weight-%: 0.005-0.07 C, 0.1-2.0 Si, 3-8 Mn, 19-23 Cr, 0.5-1.7 Ni, optionally Mo and/or W in a total amount of max 1.0 (Mo+W/2), optionally Cu up to max 1.0 Cu, 0.15-0.30 N, balance iron and impurities. The following conditions apply for the chromium and nickel equivalents: 20<Creq<24.5, 10<Nieq, where Creq=Cr+1.5 Si+Mo+2 Ti+0.5 Nb, and Nieq=Ni+0.5 Mn+30 (C+N)+0.5 (Cu+Co).
AU2001288179A 2000-09-27 2001-09-18 Ferritic-austenitic stainless steel Abandoned AU2001288179A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0003448A SE517449C2 (en) 2000-09-27 2000-09-27 Ferrite-austenitic stainless steel
SE0003448 2000-09-27
PCT/SE2001/001986 WO2002027056A1 (en) 2000-09-27 2001-09-18 Ferritic-austenitic stainless steel

Publications (1)

Publication Number Publication Date
AU2001288179A1 true AU2001288179A1 (en) 2002-04-08

Family

ID=20281174

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001288179A Abandoned AU2001288179A1 (en) 2000-09-27 2001-09-18 Ferritic-austenitic stainless steel

Country Status (9)

Country Link
US (3) US20030172999A1 (en)
EP (1) EP1327008B2 (en)
AT (1) ATE317919T1 (en)
AU (1) AU2001288179A1 (en)
DE (1) DE60117276T3 (en)
ES (1) ES2258546T5 (en)
SE (1) SE517449C2 (en)
WO (1) WO2002027056A1 (en)
ZA (1) ZA200302011B (en)

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JP4760031B2 (en) * 2004-01-29 2011-08-31 Ｊｆｅスチール株式会社 Austenitic ferritic stainless steel with excellent formability
JP4760032B2 (en) * 2004-01-29 2011-08-31 Ｊｆｅスチール株式会社 Austenitic ferritic stainless steel with excellent formability
KR20090005252A (en) * 2004-01-29 2009-01-12 제이에프이 스틸 가부시키가이샤 Austenitic Ferritic Stainless Steels
JP5109233B2 (en) * 2004-03-16 2012-12-26 Ｊｆｅスチール株式会社 Ferritic / austenitic stainless steel with excellent corrosion resistance at welds
SE528375C2 (en) * 2004-09-07 2006-10-31 Outokumpu Stainless Ab A suction roll sheath made of steel as well as a method for producing a suction roll sheath
KR20060074400A (en) * 2004-12-27 2006-07-03 주식회사 포스코 Nickel Reduction High Corrosion Resistance 2-Phase Stainless Steel
JP5021901B2 (en) * 2005-02-28 2012-09-12 Ｊｆｅスチール株式会社 Austenitic and ferritic stainless steel with excellent intergranular corrosion resistance
BRPI0608627B1 (en) 2005-03-18 2016-03-29 Nkt Flexibles Is uses a duplex steel, and flexible tubing
ES2717840T3 (en) 2007-08-02 2019-06-25 Nippon Steel & Sumikin Sst Ferritic-austenitic stainless steel with excellent resistance to corrosion and workability and production method
WO2009070345A1 (en) 2007-11-29 2009-06-04 Ati Properties, Inc. Lean austenitic stainless steel
KR101467616B1 (en) 2007-12-20 2014-12-01 에이티아이 프로퍼티즈, 인코퍼레이티드 Corrosion resistant lean austenitic stainless steel
US8337749B2 (en) 2007-12-20 2012-12-25 Ati Properties, Inc. Lean austenitic stainless steel
AU2008341063C1 (en) 2007-12-20 2014-05-22 Ati Properties Llc Austenitic stainless steel low in nickel containing stabilizing elements
JP5337473B2 (en) 2008-02-05 2013-11-06 新日鐵住金ステンレス株式会社 Ferritic / austenitic stainless steel sheet with excellent ridging resistance and workability and method for producing the same
ES2735502T3 (en) 2008-03-26 2019-12-19 Nippon Steel & Sumikin Sst Low alloy duplex stainless steel excellent in corrosion resistance and hardness of an area affected by welding heat
FI125458B (en) * 2008-05-16 2015-10-15 Outokumpu Oy Stainless steel product, use of product and process for its manufacture
EP2295197B1 (en) 2008-05-27 2012-12-19 Nippon Steel & Sumikin Stainless Steel Corporation Flux-cored wire for welding of duplex stainless steel which enables the miniaturization of solidified crystal particles
FR2934349B1 (en) * 2008-07-28 2010-08-20 Technip France FLEXIBLE CONDUIT FOR TRANSPORTING HYDROCARBONS WITH HIGH CORROSION RESISTANCE AND METHOD OF MANUFACTURING THE SAME
EP2093303A1 (en) 2008-09-04 2009-08-26 Scanpump AB Duplex Cast Steel
FI121340B (en) 2008-12-19 2010-10-15 Outokumpu Oy Duplex stainless steel
SE533635C2 (en) 2009-01-30 2010-11-16 Sandvik Intellectual Property Austenitic stainless steel alloy with low nickel content, and article thereof
FI122657B (en) 2010-04-29 2012-05-15 Outokumpu Oy Process for producing and utilizing high formability ferrite-austenitic stainless steel
KR20120132691A (en) * 2010-04-29 2012-12-07 오또꿈뿌 오와이제이 Method for manufacturing and utilizing ferritic-austenitic stainless steel with high formability
CN102605284B (en) * 2011-01-25 2014-05-07 宝山钢铁股份有限公司 Duplex stainless steel and manufacturing method thereof
JP5406233B2 (en) * 2011-03-02 2014-02-05 新日鐵住金ステンレス株式会社 Clad steel plate made of duplex stainless steel and method for producing the same
JP5406230B2 (en) * 2011-01-27 2014-02-05 新日鐵住金ステンレス株式会社 Alloy element-saving duplex stainless steel hot rolled steel material and method for producing the same
WO2012102330A1 (en) * 2011-01-27 2012-08-02 新日鐵住金ステンレス株式会社 Alloying element-saving hot rolled duplex stainless steel material, clad steel sheet having duplex stainless steel as mating material therefor, and production method for same
JP5868206B2 (en) * 2011-03-09 2016-02-24 新日鐵住金ステンレス株式会社 Duplex stainless steel with excellent weld corrosion resistance
KR20130034349A (en) 2011-09-28 2013-04-05 주식회사 포스코 Lean duplex stainless steel excellent in corrosion resistance and hot workability
DE102012100908A1 (en) * 2012-02-03 2013-08-08 Klaus Kuhn Edelstahlgiesserei Gmbh Duplex steel with improved notched impact strength and machinability
KR101356946B1 (en) * 2012-03-27 2014-01-29 주식회사 포스코 Manufacturing method of duplex stainless steel
UA111115C2 (en) 2012-04-02 2016-03-25 Ейкей Стіл Пропертіс, Інк. cost effective ferritic stainless steel
US20130280093A1 (en) † 2012-04-24 2013-10-24 Mark F. Zelesky Gas turbine engine core providing exterior airfoil portion
EP2662461A1 (en) 2012-05-07 2013-11-13 Schmidt + Clemens GmbH & Co. KG Iron-chromium-manganese-nickel alloy
KR101460279B1 (en) * 2012-12-24 2014-11-11 주식회사 포스코 STAINLESS STEEL BASED ON Cr-Mn
FI125734B (en) * 2013-06-13 2016-01-29 Outokumpu Oy Duplex ferritic austenitic stainless steel
BR112016013525B1 (en) * 2013-12-13 2021-03-30 Outokumpu Oyj METHOD FOR PRODUCTION OF HIGH-RESISTANCE DUPLEX STAINLESS STEEL
KR101587700B1 (en) 2013-12-24 2016-01-21 주식회사 포스코 Lean duplex stainless steel
JP6303851B2 (en) * 2014-06-18 2018-04-04 新日鐵住金株式会社 Duplex stainless steel pipe
CN104152818A (en) * 2014-08-12 2014-11-19 昆明理工大学 Duplex stainless steel and preparation method thereof
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Also Published As

Publication number Publication date
US20150259772A1 (en) 2015-09-17
SE0003448L (en) 2002-03-28
EP1327008A1 (en) 2003-07-16
DE60117276T2 (en) 2006-11-09
US9856551B2 (en) 2018-01-02
ES2258546T5 (en) 2011-12-05
ATE317919T1 (en) 2006-03-15
ES2258546T3 (en) 2006-09-01
WO2002027056A1 (en) 2002-04-04
SE0003448D0 (en) 2000-09-27
EP1327008B2 (en) 2011-07-13
DE60117276D1 (en) 2006-04-20
ZA200302011B (en) 2004-02-16
DE60117276T3 (en) 2012-01-19
US20100172785A1 (en) 2010-07-08
EP1327008B1 (en) 2006-02-15
SE517449C2 (en) 2002-06-04
US20030172999A1 (en) 2003-09-18

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