CA2239478A1 - Acier inoxydable austenoferritique a tres bas nickel et presentant un fort allongement en traction - Google Patents

Acier inoxydable austenoferritique a tres bas nickel et presentant un fort allongement en traction

Info

Publication number
CA2239478A1
CA2239478A1 CA002239478A CA2239478A CA2239478A1 CA 2239478 A1 CA2239478 A1 CA 2239478A1 CA 002239478 A CA002239478 A CA 002239478A CA 2239478 A CA2239478 A CA 2239478A CA 2239478 A1 CA2239478 A1 CA 2239478A1
Authority
CA
Canada
Prior art keywords
exclusive
stainless steel
high tensile
tensile elongation
austenoferritic
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
CA002239478A
Other languages
English (en)
Other versions
CA2239478C (fr
Inventor
Jean-Michel Hauser
Herve Sassoulas
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.)
Ugitech SA
Original Assignee
USINOR SA
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 USINOR SA filed Critical USINOR SA
Publication of CA2239478A1 publication Critical patent/CA2239478A1/fr
Application granted granted Critical
Publication of CA2239478C publication Critical patent/CA2239478C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5183—Welding strip ends
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12951—Fe-base component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12951—Fe-base component
    • Y10T428/12958—Next to Fe-base component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12951—Fe-base component
    • Y10T428/12958—Next to Fe-base component
    • Y10T428/12965—Both containing 0.01-1.7% carbon [i.e., steel]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12951—Fe-base component
    • Y10T428/12972—Containing 0.01-1.7% carbon [i.e., steel]
    • Y10T428/12979—Containing more than 10% nonferrous elements [e.g., high alloy, stainless]

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)
  • Carbon And Carbon Compounds (AREA)
  • Heat Treatment Of Articles (AREA)
  • Metal Extraction Processes (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Soft Magnetic Materials (AREA)

Abstract

Acier inoxydable austénoferritique à très bas nickel et présentant un fort allongement en traction caractérisé en la composition pondérale suivante: carbone < 0,04% 0,4% < silicium < 1,2% 2 % < manganèse < 4% 0,1% < nickel < 1% 18% < chrome < 22% 0,05% < cuivre < 4% soufre < 0,03% phosphore < 0,1% 0,1% < azote < 0,3% molybdène < 3% l'acier présentant un biphasage compris entre 30 et 70% d'austénite, tel que Creq = Cr% + Mo% + 1,5 Si% Nieq = Ni% + 0,33Cu% + 0,5 Mn% + 30 C% + 30 N% avec Creq/Nieq compris entre 2,3 et 2,75. Figure: unique.
CA002239478A 1997-06-30 1998-06-03 Acier inoxydable austenoferritique a tres bas nickel et presentant un fort allongement en traction Expired - Lifetime CA2239478C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9708180 1997-06-30
FR9708180A FR2765243B1 (fr) 1997-06-30 1997-06-30 Acier inoxydable austenoferritique a tres bas nickel et presentant un fort allongement en traction

Publications (2)

Publication Number Publication Date
CA2239478A1 true CA2239478A1 (fr) 1998-12-30
CA2239478C CA2239478C (fr) 2009-04-07

Family

ID=9508609

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002239478A Expired - Lifetime CA2239478C (fr) 1997-06-30 1998-06-03 Acier inoxydable austenoferritique a tres bas nickel et presentant un fort allongement en traction

Country Status (17)

Country Link
US (1) US6096441A (fr)
EP (1) EP0889145B1 (fr)
JP (1) JPH1171643A (fr)
KR (1) KR19990007429A (fr)
CN (1) CN1078262C (fr)
AT (1) ATE234945T1 (fr)
AU (1) AU738930B2 (fr)
BR (1) BR9802386A (fr)
CA (1) CA2239478C (fr)
DE (1) DE69812234T2 (fr)
DK (1) DK0889145T3 (fr)
ES (1) ES2193488T3 (fr)
FR (1) FR2765243B1 (fr)
ID (1) ID20517A (fr)
PT (1) PT889145E (fr)
TW (1) TW474997B (fr)
ZA (1) ZA985176B (fr)

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Also Published As

Publication number Publication date
ES2193488T3 (es) 2003-11-01
TW474997B (en) 2002-02-01
CN1209465A (zh) 1999-03-03
AU738930B2 (en) 2001-09-27
ZA985176B (en) 1999-01-08
DE69812234D1 (de) 2003-04-24
EP0889145B1 (fr) 2003-03-19
US6096441A (en) 2000-08-01
BR9802386A (pt) 1999-07-06
FR2765243A1 (fr) 1998-12-31
FR2765243B1 (fr) 1999-07-30
CA2239478C (fr) 2009-04-07
ATE234945T1 (de) 2003-04-15
EP0889145A1 (fr) 1999-01-07
ID20517A (id) 1999-01-07
CN1078262C (zh) 2002-01-23
JPH1171643A (ja) 1999-03-16
DE69812234T2 (de) 2004-02-05
DK0889145T3 (da) 2003-07-21
PT889145E (pt) 2003-06-30
KR19990007429A (ko) 1999-01-25
AU6984598A (en) 1999-01-07

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