PE89499A1 - Aceros de fase dual con resistencia ultra elevada y excelente tenacidad a la temperatura criogenica - Google Patents

Aceros de fase dual con resistencia ultra elevada y excelente tenacidad a la temperatura criogenica

Info

Publication number
PE89499A1
PE89499A1 PE1998000528A PE00052898A PE89499A1 PE 89499 A1 PE89499 A1 PE 89499A1 PE 1998000528 A PE1998000528 A PE 1998000528A PE 00052898 A PE00052898 A PE 00052898A PE 89499 A1 PE89499 A1 PE 89499A1
Authority
PE
Peru
Prior art keywords
temperature
austenite
steel plate
steel
ferrite
Prior art date
Application number
PE1998000528A
Other languages
English (en)
Inventor
Jayoung Koo
Narasimha-Rao V Bangaru
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 PE89499A1 publication Critical patent/PE89499A1/es

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

Abstract

METODO PARA PREPARAR UNA PLACA DE ACERO QUE TIENE POR LO MENOS 1% DE Ni, Y COMPRENDE UNA MICROESTRUCTURA QUE TIENE DE 10%-40% EN VOLUMEN DE FERRITA Y DE 60%-90% EN VOLUMEN DE MARTENSITA Y BAINITA; DICHO METODO COMPRENDE DE: a) CALENTAR UNA LAJA DE ACERO A UNA TEMPERATURA DE 955�C A 1065�C PARA: i) HOMOGENIZAR LA LAJA DE ACERO; ii) DISOLVER TODOS LOS CARBUROS Y CARBONITRUROS DE NIOBIO Y VANADIO; iii) ESTABLECER LOS GRANOS FINOS DE AUSTENITA; b) CONVERTIR LA LAJA DE ACERO EN UNA PLACA DE ACERO DENTRO DE UN PRIMER LIMITE DE TEMPERATURA A LA CUAL SE CRISTALIZA LA AUSTENITA; c) REDUCIR LA PLACA DE ACERO EN UN SEGUNDO LIMITE DE TEMPERATURA DEBAJO DE AUSTENITA NO SE RECRISTALIZA Y SOBRE ALREDEDOR DE LA TEMPERATURA EN DONDE SE TRANSFORMA LA AUSTENITA EN FERRITA; d) REDUCIR LA PLACA DE ACERO EN UN TERCER LIMITE DE TEMPERATURA ALREDEDOR DE LA TEMPERATURA DE TRANSFORMACION DE AUSTENITA A FERRITA Y LA TEMPERATURA A LA CUAL LA AUSTENITA COMIENZA A FORMARSE DURANTE EL CALENTAMIENTO; e) TEMPLAR LA PLACA DE ACERO A UNA VELOCIDAD DE ENFRIAMIENTO DE 10�C/seg-40�C/seg HASTA UNA TEMPERATURA DE DETENCION DE 200�C; EL ACERO FORMADO DE BAJA ALEACION, SOLDABLE TIENE EXCELENTE TENACIDAD A LA TEMPERATURA CRIOGENICA
PE1998000528A 1997-12-19 1998-06-18 Aceros de fase dual con resistencia ultra elevada y excelente tenacidad a la temperatura criogenica PE89499A1 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
PE89499A1 true PE89499A1 (es) 1999-10-11

Family

ID=22084874

Family Applications (1)

Application Number Title Priority Date Filing Date
PE1998000528A PE89499A1 (es) 1997-12-19 1998-06-18 Aceros de fase dual con resistencia ultra elevada y excelente tenacidad a la temperatura criogenica

Country Status (42)

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

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JP5712484B2 (ja) * 2008-12-26 2015-05-07 Ｊｆｅスチール株式会社 溶接熱影響部および母材部の耐延性き裂発生特性に優れた鋼材およびその製造方法。
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Also Published As

Publication number Publication date
SE0002246D0 (sv) 2000-06-16
AU741006B2 (en) 2001-11-22
RU2216599C2 (ru) 2003-11-20
BG104623A (en) 2001-03-30
CN1306582A (zh) 2001-08-01
ZA985320B (en) 1999-12-20
DZ2531A1 (fr) 2003-02-08
BR9813690A (pt) 2000-10-10
SE517697C2 (sv) 2002-07-02
NZ505335A (en) 2002-04-26
FI20001441A (fi) 2000-06-16
DK200000937A (da) 2000-06-16
SI20277A (sl) 2000-12-31
GB2347684B (en) 2001-10-03
AU8151098A (en) 1999-07-12
US6066212A (en) 2000-05-23
PL341755A1 (en) 2001-05-07
JP2001527154A (ja) 2001-12-25
YU37700A (sh) 2002-11-15
SE0002246L (sv) 2000-06-16
KR20010024754A (ko) 2001-03-26
IL136844A0 (en) 2001-06-14
CH694098A5 (de) 2004-07-15
ES2181565B2 (es) 2004-04-01
TW459053B (en) 2001-10-11
OA11425A (en) 2004-04-21
UA59426C2 (uk) 2003-09-15
HRP980344A2 (en) 1999-08-31
KR100374437B1 (ko) 2003-03-04
IL136844A (en) 2004-06-01
AT409388B (de) 2002-07-25
CA2315086C (en) 2004-04-06
CN1098359C (zh) 2003-01-08
GB0013635D0 (en) 2000-07-26
DE19882881T1 (de) 2001-07-12
WO1999032671A1 (en) 1999-07-01
GB2347684A (en) 2000-09-13
EP1040205A4 (en) 2004-04-14
MY114596A (en) 2002-11-30
HUP0101159A3 (en) 2001-10-29
TR200001855T2 (tr) 2001-01-22
AR013110A1 (es) 2000-12-13
ES2181565A1 (es) 2003-02-16
CO5040183A1 (es) 2001-05-29
SK8742000A3 (en) 2001-01-18
NO20003173D0 (no) 2000-06-19
GC0000037A (en) 2004-06-30
TNSN98101A1 (fr) 2000-12-29
HRP980344B1 (en) 2002-10-31
CA2315086A1 (en) 1999-07-01
NO20003173L (no) 2000-08-21
HUP0101159A2 (hu) 2001-08-28
ATA915598A (de) 2001-12-15
EP1040205A1 (en) 2000-10-04
FI112381B (fi) 2003-11-28
GEP20043272B (en) 2004-06-25
ID26843A (id) 2001-02-15

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