BR0314470A - Aço de altìssima resistência mecânica, folha de aço, processo de fabricação de uma folha de aço e uso de uma folha de aço - Google Patents

Aço de altìssima resistência mecânica, folha de aço, processo de fabricação de uma folha de aço e uso de uma folha de aço

Info

Publication number
BR0314470A
BR0314470A BR0314470-4A BR0314470A BR0314470A BR 0314470 A BR0314470 A BR 0314470A BR 0314470 A BR0314470 A BR 0314470A BR 0314470 A BR0314470 A BR 0314470A
Authority
BR
Brazil
Prior art keywords
steel sheet
steel
mechanical strength
fabrication process
highly mechanical
Prior art date
Application number
BR0314470-4A
Other languages
English (en)
Other versions
BR0314470B1 (pt
Inventor
Antoine Moulin
Jean-Luc Lapointe
Original Assignee
Usinor
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 filed Critical Usinor
Publication of BR0314470A publication Critical patent/BR0314470A/pt
Publication of BR0314470B1 publication Critical patent/BR0314470B1/pt

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
    • 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
    • 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
    • C21D8/0278—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • C23C2/0224—Two or more thermal pretreatments
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/06—Zinc or cadmium or alloys based thereon
    • 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
    • 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
    • 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
    • Y10T428/12785—Group IIB metal-base component
    • Y10T428/12792—Zn-base component
    • Y10T428/12799—Next to Fe-base component [e.g., galvanized]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Coating With Molten Metal (AREA)
  • Laminated Bodies (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

"AçO DE ALTìSSIMA RESISTêNCIA MECâNICA, FOLHA DE AçO, PROCESSO DE FABRICAçãO DE UMA FOLHA DE AçO E USO DE UMA FOLHA DE AçO". A invenção refere-se a um aço de altíssima resistência mecânica, cuja composição química compreende, em % de peso: 0,060% <243> C <243> 0,250%; 0,400% <243> Mn <243> 0,950%; Si <243> 0,300%; Cr <243> 0,300%; 0,100% <243> Mo <243> 0,500%; 0,020% <243> Al <243> 0,100%; P <243> 0,100%; B <243> 0,010%; Ti <243> 0,050%, o restante sendo constituído de ferro e impurezas resultantes da elaboração. Refere-se, também, a um processo de fabricação de uma folha deste aço revestida de zinco ou liga de zinco.
BRPI0314470-4A 2002-09-06 2003-09-04 aÇo de altÍssima resistÊncia mecÂnica, folha de aÇo e processo de fabricaÇço de uma folha de aÇo. BR0314470B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0211040A FR2844281B1 (fr) 2002-09-06 2002-09-06 Acier a tres haute resistance mecanique et procede de fabrication d'une feuille de cet acier revetue de zinc ou d'alliage de zinc
PCT/FR2003/002641 WO2004022793A2 (fr) 2002-09-06 2003-09-04 Acier a tres haute resistance mecanique et procede de fabrication d'une feuille de cet acier revetue de zinc ou d'alliage de zinc

Publications (2)

Publication Number Publication Date
BR0314470A true BR0314470A (pt) 2005-07-26
BR0314470B1 BR0314470B1 (pt) 2013-02-19

Family

ID=31725879

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0314470-4A BR0314470B1 (pt) 2002-09-06 2003-09-04 aÇo de altÍssima resistÊncia mecÂnica, folha de aÇo e processo de fabricaÇço de uma folha de aÇo.

Country Status (15)

Country Link
US (2) US7976647B2 (pt)
EP (1) EP1534869B1 (pt)
JP (1) JP2005538248A (pt)
KR (2) KR20110102498A (pt)
CN (1) CN100422352C (pt)
AT (1) ATE378431T1 (pt)
AU (1) AU2003278256A1 (pt)
BR (1) BR0314470B1 (pt)
CA (1) CA2497870C (pt)
DE (1) DE60317520T2 (pt)
ES (1) ES2294334T3 (pt)
FR (1) FR2844281B1 (pt)
MX (1) MXPA05002509A (pt)
RU (1) RU2321667C2 (pt)
WO (1) WO2004022793A2 (pt)

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EP2123786A1 (fr) 2008-05-21 2009-11-25 ArcelorMittal France Procédé de fabrication de tôles d'aciers dual phase laminées à froid à trés haute résistance et tôles ainsi produites
RU2518870C2 (ru) * 2009-03-10 2014-06-10 Ниссин Стил Ко., Лтд. Покрытый сплавом на основе цинка стальной материал с превосходной стойкостью к растрескиванию из-за охрупчивания расплавленным металлом
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CA2850462C (en) * 2011-09-30 2016-10-11 Nippon Steel & Sumitomo Metal Corporation High-strength hot-dip galvanized steel sheet having excellent delayed fracture resistance and manufacturing method thereof
CN102796852B (zh) * 2012-07-16 2014-07-02 鑫光热处理工业(昆山)有限公司 一种渗碳强化的等温淬火工件及加工方法
CN103361560A (zh) * 2013-07-03 2013-10-23 首钢总公司 一种冷轧热成型钢板及其生产方法
WO2016001708A1 (en) 2014-07-03 2016-01-07 Arcelormittal Method for producing a high strength coated steel sheet having improved strength, formability and obtained sheet
WO2016020714A1 (en) * 2014-08-07 2016-02-11 Arcelormittal Method for producing a coated steel sheet having improved strength, ductility and formability
WO2017109539A1 (en) * 2015-12-21 2017-06-29 Arcelormittal Method for producing a high strength steel sheet having improved strength and formability, and obtained high strength steel sheet
WO2017109542A1 (en) * 2015-12-21 2017-06-29 Arcelormittal Method for producing a high strength steel sheet having improved ductility and formability, and obtained steel sheet
CN115216589A (zh) * 2022-07-28 2022-10-21 湖南华菱湘潭钢铁有限公司 一种改善大厚度高强海洋工程用钢心部韧性的热处理方法

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Also Published As

Publication number Publication date
KR101072961B1 (ko) 2011-10-12
KR20110102498A (ko) 2011-09-16
MXPA05002509A (es) 2005-06-03
DE60317520D1 (de) 2007-12-27
DE60317520T2 (de) 2008-10-16
ATE378431T1 (de) 2007-11-15
JP2005538248A (ja) 2005-12-15
WO2004022793A2 (fr) 2004-03-18
BR0314470B1 (pt) 2013-02-19
KR20050036990A (ko) 2005-04-20
FR2844281A1 (fr) 2004-03-12
EP1534869A2 (fr) 2005-06-01
CN100422352C (zh) 2008-10-01
US20060102256A1 (en) 2006-05-18
RU2005109922A (ru) 2005-09-10
EP1534869B1 (fr) 2007-11-14
FR2844281B1 (fr) 2005-04-29
US20110223441A1 (en) 2011-09-15
CA2497870C (fr) 2012-01-31
CN1688724A (zh) 2005-10-26
CA2497870A1 (fr) 2004-03-18
ES2294334T3 (es) 2008-04-01
AU2003278256A8 (en) 2004-03-29
WO2004022793A3 (fr) 2004-05-06
RU2321667C2 (ru) 2008-04-10
AU2003278256A1 (en) 2004-03-29
US7976647B2 (en) 2011-07-12

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