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BR9813630A - Steel plate, and processes for preparing it, and to obtain a transition temperature from ductile to brittle (dbtt) less than approximately - 73 ° C in the heat affected zone (haz) of the steel plate. - Google Patents

Steel plate, and processes for preparing it, and to obtain a transition temperature from ductile to brittle (dbtt) less than approximately - 73 ° C in the heat affected zone (haz) of the steel plate.

Info

Publication number
BR9813630A
BR9813630A BR9813630-5A BR9813630A BR9813630A BR 9813630 A BR9813630 A BR 9813630A BR 9813630 A BR9813630 A BR 9813630A BR 9813630 A BR9813630 A BR 9813630A
Authority
BR
Brazil
Prior art keywords
plate
steel plate
temperature
less
dbtt
Prior art date
Application number
BR9813630-5A
Other languages
Portuguese (pt)
Inventor
Jayoung Koo
Narasimha-Rao V Bangaru
Original Assignee
Exxonmobil Upstream Res 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 Exxonmobil Upstream Res Co filed Critical Exxonmobil Upstream Res Co
Publication of BR9813630A publication Critical patent/BR9813630A/en

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
    • 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
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/001—Heat treatment of ferrous alloys containing Ni
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/02—Hardening by precipitation
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • 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
    • C21D2211/008—Martensite

Landscapes

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

Abstract

"PLACA DE AçO, E, PROCESSOS PARA PREPARAçãO DA MESMA, E PARA OBTER UMA TEMPERATURA DE TRANSIçãO DE DúCTIL PARA QUEBRADIçO (DBTT) MENOR DO QUE APROXIMADAMENTE -73°C NA ZONA AFETADA PELO CALOR (HAZ) DA PLACA DE AçO" Um aço de liga leve, de resistência ultra-elevada, soldável, contendo menos do que 9 % em peso de níquel, com excelente firmeza à temperatura criogênica na placa base e na zona afetada pelo calor (HAZ) quando soldado, tendo uma força de tração maior do que 830 MPa e uma microestrutura composta predominantemente de martensita ripada granulada fina e/ou bainita inferior granulada fina, é preparado pelo aquecimento de uma chapa de aço contendo ferro e alguns ou todos os aditivos carbono, manganês, níquel, nitrogênio, cobre, cromo, molibdênio, silício, nióbio, vanádio, titânio, alumínio, e boro; redução da chapa para formar placa em uma ou mais passagens em uma faixa de temperatura na qual a austenita recristaliza; laminação de acabamento da placa em uma ou mais passagens em uma faixa de temperatura abaixo de temperatura de recristalização e acima da temperatura de transformação Ar~ 3~; esfriamento rápido da placa laminada de acabamento (10''') até uma temperatura de Parada da Têmpera: parada do esfriamento rápido; e têmpera da placa (10''') em uma temperatura adequada por um período de tempo suficiente para provocar a precipitação de partículas de endurecimento."STEEL PLATE, AND, PROCESSES FOR PREPARING THE SAME, AND TO OBTAIN A TRANSITION TEMPERATURE FROM DUCTILE TO BREAKING (DBTT) LESS THAN APPROXIMATELY -73 ° C IN THE AREA AFFECTED BY THE HEAT OF THE STEEL PLATE" A steel " light alloy, ultra-high strength, weldable, containing less than 9% nickel by weight, with excellent firmness at cryogenic temperature on the base plate and in the heat affected zone (HAZ) when welded, having a greater tensile strength than 830 MPa and a microstructure composed predominantly of fine granulated ripped martensite and / or fine granulated lower bainite, is prepared by heating a steel plate containing iron and some or all of the additives carbon, manganese, nickel, nitrogen, copper, chromium , molybdenum, silicon, niobium, vanadium, titanium, aluminum, and boron; reduction of the plate to form a plate in one or more passages in a temperature range in which the austenite recrystallizes; finishing lamination of the plate in one or more passes in a temperature range below the recrystallization temperature and above the transformation temperature Ar ~ 3 ~; rapid cooling of the laminated finishing plate (10 '' ') to a Quenching temperature: rapid cooling stop; and tempering the plate (10 '' ') at a suitable temperature for a period of time sufficient to cause precipitation of hardening particles.

BR9813630-5A 1997-12-19 1998-06-18 Steel plate, and processes for preparing it, and to obtain a transition temperature from ductile to brittle (dbtt) less than approximately - 73 ° C in the heat affected zone (haz) of the steel plate. BR9813630A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6819497P 1997-12-19 1997-12-19
PCT/US1998/012702 WO1999032672A1 (en) 1997-12-19 1998-06-18 Ultra-high strength steels with excellent cryogenic temperature toughness

Publications (1)

Publication Number Publication Date
BR9813630A true BR9813630A (en) 2000-10-17

Family

ID=22081023

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9813630-5A BR9813630A (en) 1997-12-19 1998-06-18 Steel plate, and processes for preparing it, and to obtain a transition temperature from ductile to brittle (dbtt) less than approximately - 73 ° C in the heat affected zone (haz) of the steel plate.

Country Status (30)

Country Link
EP (1) EP1047799A1 (en)
JP (1) JP2001527155A (en)
KR (1) KR20010024757A (en)
CN (1) CN1282381A (en)
AR (1) AR013108A1 (en)
AT (1) ATA915498A (en)
AU (1) AU8151198A (en)
BG (1) BG104622A (en)
BR (1) BR9813630A (en)
CA (1) CA2316968A1 (en)
CO (1) CO5050267A1 (en)
DE (1) DE19882879T1 (en)
DK (1) DK200000936A (en)
FI (1) FI20001438A7 (en)
GB (1) GB2348887A (en)
HR (1) HRP980346A2 (en)
HU (1) HUP0101125A3 (en)
IL (1) IL136842A0 (en)
NO (1) NO20003175D0 (en)
OA (1) OA11422A (en)
PE (1) PE93599A1 (en)
PL (1) PL342646A1 (en)
SE (1) SE0002245L (en)
SI (1) SI20278A (en)
SK (1) SK8682000A3 (en)
TN (1) TNSN98098A1 (en)
TR (1) TR200001797T2 (en)
TW (1) TW459052B (en)
WO (1) WO1999032672A1 (en)
ZA (1) ZA985325B (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DZ2527A1 (en) * 1997-12-19 2003-02-01 Exxon Production Research Co Container parts and processing lines capable of containing and transporting fluids at cryogenic temperatures.
NL1013099C2 (en) * 1999-09-20 2001-03-21 Matthijs De Jong Pressurized tank for liquefied gas, especially for gas tankers, comprises a steel material with specific silicon, chromium, copper, molybdenum and nickel contents
US6843237B2 (en) 2001-11-27 2005-01-18 Exxonmobil Upstream Research Company CNG fuel storage and delivery systems for natural gas powered vehicles
JP4358707B2 (en) * 2004-08-24 2009-11-04 新日本製鐵株式会社 High-tensile steel material having excellent weldability and toughness and tensile strength of 550 MPa class or higher and method for producing the same
JP4751224B2 (en) * 2006-03-28 2011-08-17 新日本製鐵株式会社 High strength seamless steel pipe for machine structure with excellent toughness and weldability and method for producing the same
CN101497961B (en) * 2008-02-03 2011-06-15 宝山钢铁股份有限公司 Low-temperature flexibility 1.5Ni steel and method of manufacturing the same
CN100548567C (en) * 2008-03-12 2009-10-14 江阴市恒润法兰有限公司 The manufacture method of ultralow temperature high intensity fine grain simple steel flange
CN101586209B (en) * 2008-05-23 2012-03-28 宝山钢铁股份有限公司 Hot rolling wire rod of 1800 MPa level for low-alloy structure and manufacture method thereof
CN102985576B (en) 2010-07-09 2014-05-28 新日铁住金株式会社 Ni-containing steel sheet and process for producing same
KR101271974B1 (en) 2010-11-19 2013-06-07 주식회사 포스코 High-strength steel having excellent cryogenic toughness and method for production thereof
WO2012153009A1 (en) 2011-05-12 2012-11-15 Arcelormittal Investigación Y Desarrollo Sl Method for the production of very-high-strength martensitic steel and sheet thus obtained
KR101473625B1 (en) 2011-09-28 2014-12-16 신닛테츠스미킨 카부시키카이샤 Nickel steel plate and manufacturing process therefor
CN102409258B (en) * 2011-11-04 2013-07-10 中国科学院金属研究所 Structural homogeneity control method of boron-containing high strength hydrogen resistant brittle alloy
CN103556082B (en) * 2013-11-12 2015-07-01 湖南华菱湘潭钢铁有限公司 Production method of quenched and tempered high-strength Q620F super-thick steel plate
JP6108116B2 (en) * 2014-03-26 2017-04-05 Ｊｆｅスチール株式会社 Steel plates for marine, marine structures and hydraulic iron pipes with excellent brittle crack propagation stopping properties and methods for producing the same
KR102275814B1 (en) * 2014-12-31 2021-07-09 두산중공업 주식회사 Ultra thick steel plate and manufacturing method for offshore structure having ultra-high strength and high toughness
JP6582590B2 (en) * 2015-06-17 2019-10-02 日本製鉄株式会社 Steel sheet for LPG storage tank and method for producing the same
RU2594572C1 (en) * 2015-08-27 2016-08-20 Акционерное общество "Научно-производственное объединение "Центральный научно-исследовательский институт технологии машиностроения" АО "НПО "ЦНИИТМАШ" Martensite steel for cryogenic equipment
KR101819380B1 (en) 2016-10-25 2018-01-17 주식회사 포스코 High strength high manganese steel having excellent low temperature toughness and method for manufacturing the same
KR102075205B1 (en) * 2017-11-17 2020-02-07 주식회사 포스코 Cryogenic steel plate and method for manufacturing the same
KR102155430B1 (en) * 2018-12-18 2020-09-11 현대제철 주식회사 Ultra-high strength and high toughness steel plate and method for manufacturing the same
CN110616376B (en) * 2019-10-21 2021-04-02 上海材料研究所 Fe-Mn-Si-Ni-Cu elastic-plastic damping steel with excellent low-cycle fatigue properties and its manufacturing method
JPWO2024190920A1 (en) * 2023-03-16 2024-09-19
WO2024190921A1 (en) * 2023-03-16 2024-09-19 日本製鉄株式会社 Steel material

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JPS61127815A (en) * 1984-11-26 1986-06-16 Nippon Steel Corp Production of high arrest steel containing ni
US5454883A (en) * 1993-02-02 1995-10-03 Nippon Steel Corporation High toughness low yield ratio, high fatigue strength steel plate and process of producing same
US5545269A (en) * 1994-12-06 1996-08-13 Exxon Research And Engineering Company Method for producing ultra high strength, secondary hardening steels with superior toughness and weldability

Also Published As

Publication number Publication date
PL342646A1 (en) 2001-06-18
SI20278A (en) 2000-12-31
CA2316968A1 (en) 1999-07-01
TNSN98098A1 (en) 2000-12-29
AU8151198A (en) 1999-07-12
ZA985325B (en) 1999-12-20
EP1047799A1 (en) 2000-11-02
KR20010024757A (en) 2001-03-26
FI20001438L (en) 2000-06-16
OA11422A (en) 2004-04-21
WO1999032672A1 (en) 1999-07-01
TW459052B (en) 2001-10-11
GB2348887A (en) 2000-10-18
DK200000936A (en) 2000-06-16
AR013108A1 (en) 2000-12-13
CO5050267A1 (en) 2001-06-27
SK8682000A3 (en) 2001-01-18
SE0002245D0 (en) 2000-06-16
ATA915498A (en) 2001-12-15
HRP980346A2 (en) 1999-08-31
NO20003175L (en) 2000-06-19
NO20003175D0 (en) 2000-06-19
DE19882879T1 (en) 2001-04-26
JP2001527155A (en) 2001-12-25
HUP0101125A2 (en) 2001-08-28
IL136842A0 (en) 2001-06-14
FI20001438A7 (en) 2000-06-16
HUP0101125A3 (en) 2001-10-29
PE93599A1 (en) 1999-10-12
GB0013632D0 (en) 2000-07-26
BG104622A (en) 2001-03-30
CN1282381A (en) 2001-01-31
TR200001797T2 (en) 2001-07-23
SE0002245L (en) 2000-06-16

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