TNSN99244A1 - Aciers triphasiques a ultra-haute resistance presentant une excellente tenacite a des temperatures cryogeniques - Google Patents

Aciers triphasiques a ultra-haute resistance presentant une excellente tenacite a des temperatures cryogeniques

Info

Publication number
TNSN99244A1
TNSN99244A1 TNTNSN99244A TNSN99244A TNSN99244A1 TN SN99244 A1 TNSN99244 A1 TN SN99244A1 TN TNSN99244 A TNTNSN99244 A TN TNSN99244A TN SN99244 A TNSN99244 A TN SN99244A TN SN99244 A1 TNSN99244 A1 TN SN99244A1
Authority
TN
Tunisia
Prior art keywords
temperature
sheet
phase
temperatures
ultra
Prior art date
Application number
TNTNSN99244A
Other languages
English (en)
Inventor
Koo Jayoung
V Bangaru Narasimha-Rao
A Vaughn Glen
Ayer Raghavan
Original Assignee
Exxon Production Research Co
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 Exxon Production Research Co filed Critical Exxon Production Research Co
Publication of TNSN99244A1 publication Critical patent/TNSN99244A1/fr

Links

Classifications

    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0273—Final recrystallisation annealing
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • 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
    • C22C38/04—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
    • C22C38/06—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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • 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
    • C21D2211/002—Bainite
    • 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
    • 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
    • C21D2211/008—Martensite
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

UN ACIER TRIPHASIQUE FAIBLEMENT ALLIE SOUDABLE A ULRA-HAUTE RESISTANCE PRESENTANT UNE EXCELLENTE TENACITE A DES TEMPERATURES CRYOGENIQUES DANS LA TOLE DE BASE ET DANS LA ZONE AFFACTEE PAR LA CHALEUR (ZAC) LORSQU'IL EST SOUDE, PRESENTANT UNE RESISTANCE A LA TRACTION SUPERIEURE A ENVIRON 830 MPa (120 ksi) AINSI QU'UNE MICROSTRUCTURE COMPRENANT UNE PHASE DE FERRITE, UNE DEUXIEME PHASE CONSTITUEE EN PREDOMINANCE DE MARTENSITE EN LATTES ET DE BAINITE INFERIEURE, ET UNE PHASE D'AUSTENITE RESIDUELLE, EST PREPARER EN CHAUFFANT POURCENTAGES PONDERAUX SPECIFIES DE QUELQUES-UNS OU DE TOUS LES ADDITIFS SUIVANTS : CARBONE, MANGANESE, NICKEL, AZOTE, CUIVRE, CHROME, MOLYBDENE, SILICIUM, NIOBIUM, VANADIUM, TITANE, ALUMINIUM ET BORE ; EN RESUISANT LA BRAME DE MANIERE A FORMER UNE TOLE EN UNE OU PLUSIEURS PASSES DANS UNE GAMME DE TEMPERATURES DANS LAQUELLE L'AUSTENITE RECRISTALLISE ; EN EFFECTUANT UNE REDUCTION SUPPLEMENTAIRE DE LA TOLE EN UNE OU PLUSIEURS PASSES DANS UNE GAMME DE TEMPERATURES INFERIEURE A LA TEMPERATURE DE RECRISTALLISATION DE L'AUSTENITE ET SUPERIEURE A LA TEMPERATURE DE TRANSFORMATION Ar3 ; EN EFFECTANT UN LAMINAGE DE FINITION DE LA TOLE ENTRE LA TEMPERATURE DE TRANSFORMATION Ar3 ET LA TEMPERATURE DE TRANSFORMATION Ar1 ; EN TREMPANT LA TOLE LAMINEE FINIE JUSQU'A UNE TEMPERATURE D'ARRET DE TREMPE (QST) ; ET EN ARRETANT LA TREMPE.
TNTNSN99244A 1998-12-19 1999-12-16 Aciers triphasiques a ultra-haute resistance presentant une excellente tenacite a des temperatures cryogeniques TNSN99244A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/215,772 US6159312A (en) 1997-12-19 1998-12-19 Ultra-high strength triple phase steels with excellent cryogenic temperature toughness

Publications (1)

Publication Number Publication Date
TNSN99244A1 true TNSN99244A1 (fr) 2001-12-31

Family

ID=22804322

Family Applications (1)

Application Number Title Priority Date Filing Date
TNTNSN99244A TNSN99244A1 (fr) 1998-12-19 1999-12-16 Aciers triphasiques a ultra-haute resistance presentant une excellente tenacite a des temperatures cryogeniques

Country Status (27)

Country Link
US (1) US6159312A (fr)
EP (1) EP1144698A4 (fr)
JP (1) JP2002533567A (fr)
KR (1) KR100650301B1 (fr)
CN (1) CN1125882C (fr)
AR (1) AR023351A1 (fr)
AT (1) AT410446B (fr)
AU (1) AU761119B2 (fr)
BR (1) BR9916381A (fr)
CA (1) CA2353926A1 (fr)
CO (1) CO5111044A1 (fr)
DE (1) DE19983820T1 (fr)
DK (1) DK200100944A (fr)
DZ (1) DZ2970A1 (fr)
EG (1) EG22122A (fr)
FI (1) FI113550B (fr)
GB (1) GB2358873B (fr)
GC (1) GC0000086A (fr)
ID (1) ID29178A (fr)
MX (1) MXPA01006270A (fr)
MY (1) MY115511A (fr)
PE (1) PE20001528A1 (fr)
RU (1) RU2234542C2 (fr)
SE (1) SE523866C2 (fr)
TN (1) TNSN99244A1 (fr)
TW (1) TW550300B (fr)
WO (1) WO2000037689A1 (fr)

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Also Published As

Publication number Publication date
AR023351A1 (es) 2002-09-04
AT410446B (de) 2003-04-25
TW550300B (en) 2003-09-01
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