[go: up one dir, main page]

MX2018012659A - Steel plate, plated steel plate, and production method therefor. - Google Patents

Steel plate, plated steel plate, and production method therefor.

Info

Publication number
MX2018012659A
MX2018012659A MX2018012659A MX2018012659A MX2018012659A MX 2018012659 A MX2018012659 A MX 2018012659A MX 2018012659 A MX2018012659 A MX 2018012659A MX 2018012659 A MX2018012659 A MX 2018012659A MX 2018012659 A MX2018012659 A MX 2018012659A
Authority
MX
Mexico
Prior art keywords
less
steel plate
polygonal ferrite
martensite
grain size
Prior art date
Application number
MX2018012659A
Other languages
Spanish (es)
Other versions
MX374792B (en
Inventor
Nagataki Yasunobu
Kobayashi Takashi
Kawasaki Yoshiyasu
Yamashita Takako
Ueno Masayasu
Original Assignee
Jfe Steel Corp
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 Jfe Steel Corp filed Critical Jfe Steel Corp
Publication of MX2018012659A publication Critical patent/MX2018012659A/en
Publication of MX374792B publication Critical patent/MX374792B/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
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following 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
    • 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
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • 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
    • C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
    • 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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/024—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by cleaning or etching
    • 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
    • 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
    • C23C2/12—Aluminium or alloys based thereon
    • 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
    • C23C2/26—After-treatment
    • C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
    • 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
    • C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36—Elongated material
    • C23C2/40—Plates; 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
    • 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)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

Una lámina de acero de alta resistencia con excelente conformabilidad y alto límite de elasticidad y conformabilidad por expansión de agujero que tiene TS de 590 MPa o más y YR de 68% o más se obtiene al proporcionar una composición química predeterminada y una microestructura de acero que contiene, en relación de área, 20% o más y 65% o menos de ferrita poligonal, 8% o más de ferrita no recristalizada, y 5% o más y 25% o menos de martensita, y que contiene, en fracción de volumen, 8% o más de austenita retenida, donde una relación de aspecto promedio de granos de cristal de cada fase (ferrita poligonal, martensita, y austenita retenida) es de 2.0 o más y 15.0 o menos, en donde la ferrita poligonal tiene un tamaño de grano promedio de 6 µm o menos, la martensita tiene un tamaño de grano promedio de 3 µm o menos, la austenita retenida tiene un tamaño de grano promedio de 3 µm o menos, y un valor obtenido al dividir un contenido de Mn en la austenita retenida en % en masa entre un contenido de Mn en la ferrita poligonal en % en masa es igual a 2.0 o más.A high strength steel sheet with excellent formability and high yield strength and formability by hole expansion that has TS of 590 MPa or more and YR of 68% or more is obtained by providing a predetermined chemical composition and a steel microstructure that contains, in relation to area, 20% or more and 65% or less of polygonal ferrite, 8% or more of non-recrystallized ferrite, and 5% or more and 25% or less of martensite, and that it contains, in fraction of volume , 8% or more of retained austenite, where an average aspect ratio of crystal grains of each phase (polygonal ferrite, martensite, and retained austenite) is 2.0 or more and 15.0 or less, where the polygonal ferrite has a size average grain size of 6 µm or less, martensite has an average grain size of 3 µm or less, retained austenite has an average grain size of 3 µm or less, and a value obtained by dividing a content of Mn into the austenite retained in% e n mass between a content of Mn in the polygonal ferrite in mass% is equal to 2.0 or more.

MX2018012659A 2016-04-19 2017-03-08 Steel plate, plated steel plate, and production method therefor MX374792B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016084049 2016-04-19
PCT/JP2017/009300 WO2017183348A1 (en) 2016-04-19 2017-03-08 Steel plate, plated steel plate, and production method therefor

Publications (2)

Publication Number Publication Date
MX2018012659A true MX2018012659A (en) 2019-02-28
MX374792B MX374792B (en) 2025-03-06

Family

ID=60115960

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2018012659A MX374792B (en) 2016-04-19 2017-03-08 Steel plate, plated steel plate, and production method therefor

Country Status (6)

Country Link
US (1) US20190276907A1 (en)
EP (1) EP3447159B1 (en)
KR (1) KR102128838B1 (en)
CN (1) CN108779536B (en)
MX (1) MX374792B (en)
WO (1) WO2017183348A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6179676B2 (en) 2014-10-30 2017-08-16 Ｊｆｅスチール株式会社 High strength steel plate and manufacturing method thereof
EP3346019B1 (en) * 2015-09-04 2019-12-25 JFE Steel Corporation High strength thin steel sheet and method for manufacturing same
WO2021123877A1 (en) * 2019-12-17 2021-06-24 Arcelormittal Hot rolled steel sheet and method of manufacturing thereof
WO2021123886A1 (en) * 2019-12-19 2021-06-24 Arcelormittal High toughness hot rolled and annealed steel sheet and method of manufacturing the same
MX2022011929A (en) 2020-04-03 2022-10-20 Nippon Steel Corp Steel sheet and method for producing same.
WO2022004820A1 (en) * 2020-06-30 2022-01-06 Ｊｆｅスチール株式会社 Zinc-plated steel sheet, member, and methods for producing these
EP4253576A4 (en) * 2021-02-10 2025-01-08 JFE Steel Corporation High-strength steel sheet and method for producing same
KR20230014121A (en) * 2021-07-20 2023-01-30 주식회사 포스코 High-strength steel sheet having excellent hole expandability and ductility and mathod for manufacturing thereof
WO2023053908A1 (en) * 2021-09-30 2023-04-06 Ｊｆｅスチール株式会社 Steel sheet, member, and method for manufacturing steel sheet and member
KR20240051976A (en) * 2021-09-30 2024-04-22 제이에프이 스틸 가부시키가이샤 Steel plates, members and their manufacturing methods

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61157625A (en) 1984-12-29 1986-07-17 Nippon Steel Corp Manufacture of high-strength steel sheet
JP2588420B2 (en) 1988-04-11 1997-03-05 日新製鋼株式会社 Method for producing ultra-high strength steel with good ductility
JP3857939B2 (en) 2001-08-20 2006-12-13 株式会社神戸製鋼所 High strength and high ductility steel and steel plate excellent in local ductility and method for producing the steel plate
JP5369663B2 (en) * 2008-01-31 2013-12-18 Ｊｆｅスチール株式会社 High-strength hot-dip galvanized steel sheet excellent in workability and manufacturing method thereof
JP5821260B2 (en) * 2011-04-26 2015-11-24 Ｊｆｅスチール株式会社 High-strength hot-dip galvanized steel sheet excellent in formability and shape freezing property, and method for producing the same
JP5648597B2 (en) * 2011-07-06 2015-01-07 新日鐵住金株式会社 Cold rolled steel sheet manufacturing method
JP5440672B2 (en) 2011-09-16 2014-03-12 Ｊｆｅスチール株式会社 High-strength steel sheet with excellent workability and method for producing the same
CN103890202B (en) * 2011-10-24 2015-09-30 杰富意钢铁株式会社 The manufacture method of the high tensile steel plate of excellent processability
JP5348268B2 (en) * 2012-03-07 2013-11-20 Ｊｆｅスチール株式会社 High-strength cold-rolled steel sheet having excellent formability and method for producing the same
JP5949253B2 (en) 2012-07-18 2016-07-06 新日鐵住金株式会社 Hot dip galvanized steel sheet and its manufacturing method
US20170218475A1 (en) * 2014-08-07 2017-08-03 Jfe Steel Corporation High-strength steel sheet and method for manufacturing same
CN106574341B (en) * 2014-08-07 2018-07-27 杰富意钢铁株式会社 High-strength steel sheet, manufacturing method thereof, and manufacturing method of high-strength galvanized steel sheet
JP6295893B2 (en) * 2014-08-29 2018-03-20 新日鐵住金株式会社 Ultra-high-strength cold-rolled steel sheet excellent in hydrogen embrittlement resistance and method for producing the same
KR101913053B1 (en) * 2014-10-30 2018-10-29 제이에프이 스틸 가부시키가이샤 High-strength steel sheet, high-strength hot-dip galvanized steel sheet, high-strength hot-dip aluminum-coated steel sheet, and high-strength electrogalvanized steel sheet, and methods for manufacturing same
EP3214193B1 (en) 2014-10-30 2019-03-06 JFE Steel Corporation High-strength steel sheet, high-strength hot-dip galvanized steel sheet, high-strength hot-dip aluminum-coated steel sheet, and high-strength electrogalvanized steel sheet, and methods for manufacturing same

Also Published As

Publication number Publication date
EP3447159B1 (en) 2020-11-11
US20190276907A1 (en) 2019-09-12
CN108779536B (en) 2020-06-30
WO2017183348A1 (en) 2017-10-26
MX374792B (en) 2025-03-06
EP3447159A1 (en) 2019-02-27
KR102128838B1 (en) 2020-07-02
KR20180132889A (en) 2018-12-12
CN108779536A (en) 2018-11-09
EP3447159A4 (en) 2019-03-13

Similar Documents

Publication Publication Date Title
MX2018012658A (en) STEEL SHEET, COVERED STEEL SHEET, AND METHODS FOR THE MANUFACTURE OF THE SAME.
MX2018012659A (en) Steel plate, plated steel plate, and production method therefor.
MX2019005637A (en) High-strength steel sheet and method for producing same.
MX2019005636A (en) HIGH STRENGTH STEEL SHEET AND METHOD FOR THE PRODUCTION OF THE SAME.
MX2017005568A (en) High-strength steel sheet, high-strength hot-dip galvanized steel sheet, high-strength molten aluminum-plated steel sheet, and high-strength electrogalvanized steel sheet, and methods for manufacturing same.
MX2017009200A (en) High-strength hot-dip galvanized steel sheet and production method thereof.
MX2019001794A (en) HIGH STRENGTH COLD ROLLED STEEL SHEET AND THE METHOD FOR ITS PRODUCTION.
MX2017010910A (en) High-strength cold-rolled steel plate and method for producing same.
MX2017001689A (en) High-strength steel sheet and production method for same, and production method for high-strength galvanized steel sheet.
MX2017005567A (en) High-strength steel sheet, high-strength hot-dip galvanized steel sheet, high-strength molten aluminum-plated steel sheet, and high-strength electrogalvanized steel sheet, and methods for manufacturing same.
MX2019002331A (en) High-strength steel plate and production method thereof.
MX2018009643A (en) High-strength steel sheet and method for manufacturing same.
MX2020010210A (en) High-strength steel sheet and method for manufacturing same.
MX2018001082A (en) High strength hot rolled steel sheet and manufacturing method for same.
MX2019001828A (en) Thin steel sheet and process for producing same.
MX2020010211A (en) HIGH STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME.
MX2019009599A (en) High-strength steel plate and manufacturing method therefor.
MX2017001720A (en) High-strength steel sheet and production method for same, and production method for high-strength galvanized steel sheet.
MX383870B (en) HIGH-STRENGTH STEEL SHEET, PRODUCTION METHOD FOR SAME AND PRODUCTION METHOD FOR HIGH-STRENGTH GALVANIZED STEEL SHEET.
MX2016009745A (en) LAMINATED STEEL SHEET COLD HIGH RESISTANCE AND METHOD FOR THE SAME MANUFACTURE.
MX2017010339A (en) HIGH RESISTANCE AND METHOD GALVANIZED STEEL SHEET FOR THE SAME MANUFACTURE.
MX393795B (en) HIGH STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING SAME.
MX2018011888A (en) Thin ste.
MX2017007511A (en) High-strength cold-rolled steel sheet and method for producing same.
MX2017001529A (en) HIGH RESISTANCE STEEL SHEET AND PRODUCTION METHOD FOR THE SAME, AND PRODUCTION METHOD FOR HIGH RESISTANCE GALVANIZED STEEL SHEET.

Legal Events

Date Code Title Description
FG Grant or registration