BR0214346A - Aço inoxidável super-austenìtico - Google Patents

Aço inoxidável super-austenìtico

Info

Publication number
BR0214346A
BR0214346A BR0214346-1A BR0214346A BR0214346A BR 0214346 A BR0214346 A BR 0214346A BR 0214346 A BR0214346 A BR 0214346A BR 0214346 A BR0214346 A BR 0214346A
Authority
BR
Brazil
Prior art keywords
alloy
super
stainless steel
tubes
satisfactory
Prior art date
Application number
BR0214346-1A
Other languages
English (en)
Inventor
Babak Bahar
Johan Frodigh
Pasi Kangas
Ulf Kivisakk
Original Assignee
Sandvik 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
Application filed by Sandvik Ab filed Critical Sandvik Ab
Publication of BR0214346A publication Critical patent/BR0214346A/pt

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
    • 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
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • 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
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese

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)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

"AçO INOXIDáVEL SUPER-AUSTENìTICO". A presente invenção se refere a uma liga de aço inoxidável super-austenítico, com uma composição de tal modo balanceada que a liga e os produtos produzidos a partir da liga preenchem altos requisitos de exigências, tais como, uma combinação de alta resistência à corrosão, especialmente a corrosão provocada por ácidos inorgânicos e orgânicos e misturas dos mesmos, satisfatória resistência geral à corrosão, satisfatória estabilidade de estrutura, assim como aperfeiçoadas propriedades mecânicas, em combinação com satisfatória maleabilidade, em particular na modalidade de tubos, especialmente tubos sem costura e tubos soldados com costura, para uso nos ditos ambientes, a referida liga apresentando a seguinte composição, em % em peso: Cr: 23,0-30,0; Ni: 25,0-35,0; Mo: 2,0-6,0; Mn: 1,06,0; N: 0-0,4; C: até 0,05; Si: até 1,0; S: até 0,02; Cu: até 3,0; W: 0-6,0; e um ou mais elementos do grupo que consiste de Mg, Ce, Ca, B, La, Pr, Zr, Ti, Nd: até 2, 0; o balanço sendo Fe e impurezas que normalmente ocorrem em adições de fabricação de aço.
BR0214346-1A 2001-11-22 2002-11-22 Aço inoxidável super-austenìtico BR0214346A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0103938A SE525252C2 (sv) 2001-11-22 2001-11-22 Superaustenitiskt rostfritt stål samt användning av detta stål
PCT/SE2002/002156 WO2003044238A1 (en) 2001-11-22 2002-11-22 Super-austenitic stainless steel

Publications (1)

Publication Number Publication Date
BR0214346A true BR0214346A (pt) 2004-10-26

Family

ID=20286098

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0214346-1A BR0214346A (pt) 2001-11-22 2002-11-22 Aço inoxidável super-austenìtico

Country Status (10)

Country Link
US (1) US7081173B2 (pt)
EP (1) EP1446513A1 (pt)
JP (1) JP2005509751A (pt)
KR (1) KR20050044557A (pt)
CN (1) CN1293223C (pt)
AU (2) AU2002353725A1 (pt)
BR (1) BR0214346A (pt)
NO (1) NO20042103L (pt)
SE (1) SE525252C2 (pt)
WO (2) WO2003044238A1 (pt)

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Also Published As

Publication number Publication date
NO20042103L (no) 2004-05-21
WO2003044238A1 (en) 2003-05-30
WO2003044239A1 (en) 2003-05-30
JP2005509751A (ja) 2005-04-14
CN1293223C (zh) 2007-01-03
SE0103938L (sv) 2003-05-23
SE525252C2 (sv) 2005-01-11
US7081173B2 (en) 2006-07-25
AU2002353725A1 (en) 2003-06-10
AU2002366113A1 (en) 2003-06-10
EP1446513A1 (en) 2004-08-18
CN1589335A (zh) 2005-03-02
KR20050044557A (ko) 2005-05-12
US20030143105A1 (en) 2003-07-31

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