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TNSN98101A1 - Aciers a double phase ultra-resistants ayant une excellente tenue a la temperature cryogenique - Google Patents

Aciers a double phase ultra-resistants ayant une excellente tenue a la temperature cryogenique

Info

Publication number
TNSN98101A1
TNSN98101A1 TNTNSN98101A TNSN98101A TNSN98101A1 TN SN98101 A1 TNSN98101 A1 TN SN98101A1 TN TNSN98101 A TNTNSN98101 A TN TNSN98101A TN SN98101 A TNSN98101 A TN SN98101A TN SN98101 A1 TNSN98101 A1 TN SN98101A1
Authority
TN
Tunisia
Prior art keywords
plate
temperature
ultra
excellent resistance
tft
Prior art date
Application number
TNTNSN98101A
Other languages
English (en)
Inventor
Koo Jayoung
V Bangar Narasimha-Rao
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 TNSN98101A1 publication Critical patent/TNSN98101A1/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
    • C21D1/02—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
    • 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
    • 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
    • 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

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)
  • Laminated Bodies (AREA)

Abstract

UN ACIER FAIBLEMENT ALLIE ULTRA-RESISTANT, SOUDABLE, AYANT UNE EXCELLENTE TENUE A LA TEMPERATURE CRYOGENIQUE DANS LA PLAQUE DE BASE ET DANS LA ZONE AFFECTEE PAR LA CHALEUR (ZAC) LORSQU'ELLE EST SOUDEE, AYANT UNE RESISTANCE A LA TRACTION SUPERIEURE A 830 MPa (120 ksi) ET UNE MICROSTRUCTURE MICROLAMINAIRE COMPRENANT DES COUCHES DE FILM D'AUSTENITE ET DES LATTES DE MARTENSITE A GRAIN FIN/BAINITE INFERIEURE, EST PREPARE EN CHAUFFANT UNE TRANCHE D'ACIER COMPRENANT DU FER ET LES POURCENTAGES DE MASSE SPECIFIES DE CERTAINS OU DE TOUS LES ADDITIFS CARBONE, MANGANESE, NICKEL, AZOTE, CUIVRE, CHROME, MOLYBDENE, SILICIUM, NIOBIUM, VANADIUM, TITANE, ALUMINIUM ET BORE; REDUCTION DE LA TRANCHE POUR FORMER UNE PLAQUE EN UNE PLUSIEURS PASSES DANS UNE GAMME DE TEMPERATURE DANS LAQUELLE L'AUSTENITE SE RECRISTALISE; ACHEVEMENT DU LAMINAGE DE LA PLAQUE EN UNE OU PLUSIEURS PASSES DANS UNE GAMME DE TEMPERATURE INFERIEURE A LA TEMPERATURE DE RECRISTALLISATION DE L'AUSTENITE ET SUPERIEURE A LA TEMPERATURE DE TRANSFORMATION Ar3; TREMPE DE LA PLAQUE LAMINEE TERMINEE JUSQU'A UNE TEMPERATURE DE FIN DE TREMPE (TFT) APPROPRIEE; ARRET DE LA TREMPE; ET, SOIT MAINTIEN DE LA PLAQUE DE MANIERE ESSENTIELLEMENT ISOTHERME A LA TFT PENDANT UN CERTAIN TEMPS, OU REFROIDISSEMENT LENT DE LA PLAQUE AVANT LE REFROIDISSEMENT PAR AIR, OU SIMPLEMENT REFROIDISSEMENT PAR AIR DE LA PLAQUE JUSQU'A LA TEMPERATURE AMBIANTE.
TNTNSN98101A 1997-12-19 1998-06-18 Aciers a double phase ultra-resistants ayant une excellente tenue a la temperature cryogenique TNSN98101A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6881697P 1997-12-19 1997-12-19

Publications (1)

Publication Number Publication Date
TNSN98101A1 true TNSN98101A1 (fr) 2000-12-29

Family

ID=22084874

Family Applications (1)

Application Number Title Priority Date Filing Date
TNTNSN98101A TNSN98101A1 (fr) 1997-12-19 1998-06-18 Aciers a double phase ultra-resistants ayant une excellente tenue a la temperature cryogenique

Country Status (42)

Country Link
US (1) US6066212A (fr)
EP (1) EP1040205A4 (fr)
JP (1) JP2001527154A (fr)
KR (1) KR100374437B1 (fr)
CN (1) CN1098359C (fr)
AR (1) AR013110A1 (fr)
AT (1) AT409388B (fr)
AU (1) AU741006B2 (fr)
BG (1) BG104623A (fr)
BR (1) BR9813690A (fr)
CA (1) CA2315086C (fr)
CH (1) CH694098A5 (fr)
CO (1) CO5040183A1 (fr)
DE (1) DE19882881T1 (fr)
DK (1) DK200000937A (fr)
DZ (1) DZ2531A1 (fr)
ES (1) ES2181565B2 (fr)
FI (1) FI112381B (fr)
GB (1) GB2347684B (fr)
GC (1) GC0000037A (fr)
GE (1) GEP20043272B (fr)
HR (1) HRP980344B1 (fr)
HU (1) HUP0101159A3 (fr)
ID (1) ID26843A (fr)
IL (1) IL136844A (fr)
MY (1) MY114596A (fr)
NO (1) NO20003173L (fr)
NZ (1) NZ505335A (fr)
OA (1) OA11425A (fr)
PE (1) PE89499A1 (fr)
PL (1) PL341755A1 (fr)
RU (1) RU2216599C2 (fr)
SE (1) SE517697C2 (fr)
SI (1) SI20277A (fr)
SK (1) SK8742000A3 (fr)
TN (1) TNSN98101A1 (fr)
TR (1) TR200001855T2 (fr)
TW (1) TW459053B (fr)
UA (1) UA59426C2 (fr)
WO (1) WO1999032671A1 (fr)
YU (1) YU37700A (fr)
ZA (1) ZA985320B (fr)

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Also Published As

Publication number Publication date
CN1306582A (zh) 2001-08-01
CN1098359C (zh) 2003-01-08
ZA985320B (en) 1999-12-20
SE0002246L (sv) 2000-06-16
ES2181565B2 (es) 2004-04-01
GEP20043272B (en) 2004-06-25
ATA915598A (de) 2001-12-15
CH694098A5 (de) 2004-07-15
FI112381B (fi) 2003-11-28
UA59426C2 (uk) 2003-09-15
ID26843A (id) 2001-02-15
CO5040183A1 (es) 2001-05-29
GC0000037A (en) 2004-06-30
OA11425A (en) 2004-04-21
NO20003173L (no) 2000-08-21
KR100374437B1 (ko) 2003-03-04
KR20010024754A (ko) 2001-03-26
HRP980344B1 (en) 2002-10-31
BR9813690A (pt) 2000-10-10
PL341755A1 (en) 2001-05-07
SE0002246D0 (sv) 2000-06-16
IL136844A (en) 2004-06-01
IL136844A0 (en) 2001-06-14
CA2315086C (fr) 2004-04-06
NO20003173D0 (no) 2000-06-19
AU741006B2 (en) 2001-11-22
EP1040205A4 (fr) 2004-04-14
HUP0101159A2 (hu) 2001-08-28
CA2315086A1 (fr) 1999-07-01
ES2181565A1 (es) 2003-02-16
SK8742000A3 (en) 2001-01-18
BG104623A (en) 2001-03-30
FI20001441L (fi) 2000-06-16
US6066212A (en) 2000-05-23
MY114596A (en) 2002-11-30
DK200000937A (da) 2000-06-16
AU8151098A (en) 1999-07-12
TR200001855T2 (tr) 2001-01-22
SI20277A (sl) 2000-12-31
SE517697C2 (sv) 2002-07-02
PE89499A1 (es) 1999-10-11
HUP0101159A3 (en) 2001-10-29
YU37700A (sh) 2002-11-15
AR013110A1 (es) 2000-12-13
RU2216599C2 (ru) 2003-11-20
JP2001527154A (ja) 2001-12-25
EP1040205A1 (fr) 2000-10-04
GB2347684A (en) 2000-09-13
GB2347684B (en) 2001-10-03
DE19882881T1 (de) 2001-07-12
WO1999032671A1 (fr) 1999-07-01
NZ505335A (en) 2002-04-26
AT409388B (de) 2002-07-25
TW459053B (en) 2001-10-11
GB0013635D0 (en) 2000-07-26
HRP980344A2 (en) 1999-08-31
DZ2531A1 (fr) 2003-02-08

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