CA2039584A1 - Iron-, nickel-, chromium base alloy - Google Patents

Iron-, nickel-, chromium base alloy

Info

Publication number
CA2039584A1
CA2039584A1 CA 2039584 CA2039584A CA2039584A1 CA 2039584 A1 CA2039584 A1 CA 2039584A1 CA 2039584 CA2039584 CA 2039584 CA 2039584 A CA2039584 A CA 2039584A CA 2039584 A1 CA2039584 A1 CA 2039584A1
Authority
CA
Canada
Prior art keywords
iron
alloy
nickel
rare earth
earth metals
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
CA 2039584
Other languages
French (fr)
Other versions
CA2039584C (en
Inventor
Sven Darnfors
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
Avesta 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
Priority claimed from SE8804178A external-priority patent/SE462395B/en
Application filed by Avesta AB filed Critical Avesta AB
Priority to CA 2039584 priority Critical patent/CA2039584C/en
Publication of CA2039584A1 publication Critical patent/CA2039584A1/en
Application granted granted Critical
Publication of CA2039584C publication Critical patent/CA2039584C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The invention relates to an iron-, nickel-, chromium base alloy having an austenitic structure and good high temperature features, in-cluding a very high resistance against oxidization in oxidizing atmos-phere and against carburizing; in carburizing atmosphere at high tem-peratures, as well as high creep fracture resistance. The alloy has the following composition in weight-%: 0.01 - 0.08 C, 1.2. - 2.0 Si, from traces up to 2 Mn, 22 - 29 Cr, 32 - 38 Ni, 0.01 - 0.15 rare earth metals, 0.08 - 0.25 N, balance essentially only iron and unavoidable impurities and normally occurring accessory elements in normal amounts, said rare earth metals in combination with the said content of silicon im-proving the growth of a protecting; SiO2-layer on the mesal surface, when the metal surface is subjected to high temperatures in oxidiz-ing atmosphere, which counteracts the transportation of metal ions, in the first place chromium, out of the alloy, so that scaling is mini-mized.
CA 2039584 1988-11-18 1991-04-02 Iron-, nickel-, chromium base alloy Expired - Lifetime CA2039584C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2039584 CA2039584C (en) 1988-11-18 1991-04-02 Iron-, nickel-, chromium base alloy

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8804178A SE462395B (en) 1988-11-18 1988-11-18 AUSTENITIC JAERN-NICKEL-CHROME BAS-ALLOY WITH GOOD HIGH-TEMPERATURE PROPERTIES AND APPLICATION OF THIS
CA 2039584 CA2039584C (en) 1988-11-18 1991-04-02 Iron-, nickel-, chromium base alloy

Publications (2)

Publication Number Publication Date
CA2039584A1 true CA2039584A1 (en) 1992-10-03
CA2039584C CA2039584C (en) 2001-08-21

Family

ID=25674539

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2039584 Expired - Lifetime CA2039584C (en) 1988-11-18 1991-04-02 Iron-, nickel-, chromium base alloy

Country Status (1)

Country Link
CA (1) CA2039584C (en)

Also Published As

Publication number Publication date
CA2039584C (en) 2001-08-21

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