EP4502218A4 - STEEL SHEET, ELEMENT AND PRODUCTION METHOD THEREOF - Google Patents

STEEL SHEET, ELEMENT AND PRODUCTION METHOD THEREOF

Info

Publication number
EP4502218A4
EP4502218A4 EP23803218.9A EP23803218A EP4502218A4 EP 4502218 A4 EP4502218 A4 EP 4502218A4 EP 23803218 A EP23803218 A EP 23803218A EP 4502218 A4 EP4502218 A4 EP 4502218A4
Authority
EP
European Patent Office
Prior art keywords
steel sheet
production method
steel
sheet
production
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP23803218.9A
Other languages
German (de)
French (fr)
Other versions
EP4502218A1 (en
Inventor
Yoshiyasu Kawasaki
Yusuke Wada
Hidekazu Minami
Tatsuya Nakagaito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Steel Corp
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 EP4502218A1 publication Critical patent/EP4502218A1/en
Publication of EP4502218A4 publication Critical patent/EP4502218A4/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • 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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys 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
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys 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
    • 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
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • 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
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • 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
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • 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
    • C23C2/04—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
    • C21D2211/001—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
    • C21D2211/002—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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C2202/00—Physical properties
    • C22C2202/04—Hydrogen absorbing
    • 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
    • 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

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)
  • Chemical Kinetics & Catalysis (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
EP23803218.9A 2022-05-11 2023-02-27 STEEL SHEET, ELEMENT AND PRODUCTION METHOD THEREOF Pending EP4502218A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022078348 2022-05-11
PCT/JP2023/006925 WO2023218731A1 (en) 2022-05-11 2023-02-27 Steel sheet, member, and method for producing same

Publications (2)

Publication Number Publication Date
EP4502218A1 EP4502218A1 (en) 2025-02-05
EP4502218A4 true EP4502218A4 (en) 2025-07-30

Family

ID=88729906

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23803218.9A Pending EP4502218A4 (en) 2022-05-11 2023-02-27 STEEL SHEET, ELEMENT AND PRODUCTION METHOD THEREOF

Country Status (7)

Country Link
US (1) US20250290186A1 (en)
EP (1) EP4502218A4 (en)
JP (1) JP7601257B2 (en)
KR (1) KR20240172210A (en)
CN (1) CN119137300A (en)
MX (1) MX2024013684A (en)
WO (1) WO2023218731A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4663801A1 (en) * 2023-03-31 2025-12-17 JFE Steel Corporation Steel sheet, member, and production methods for these
KR20250093057A (en) * 2023-12-15 2025-06-24 주식회사 포스코 Steel plate and manufacturing method thereof
JP7722617B1 (en) * 2024-03-27 2025-08-13 Ｊｆｅスチール株式会社 High-strength hot-dip galvanized steel sheet and method for manufacturing the same
WO2025203938A1 (en) * 2024-03-27 2025-10-02 Ｊｆｅスチール株式会社 High-strength hot-dip galvanized steel sheet and method for producing same
WO2025203937A1 (en) * 2024-03-27 2025-10-02 Ｊｆｅスチール株式会社 High-strength hot-dip galvanized steel sheet and method for producing same
JP7722618B1 (en) * 2024-03-27 2025-08-13 Ｊｆｅスチール株式会社 High-strength hot-dip galvanized steel sheet and method for manufacturing the same
WO2025206335A1 (en) * 2024-03-28 2025-10-02 日本製鉄株式会社 Steel sheet, steel member, and method for producing steel sheet
JP7716036B1 (en) * 2024-03-28 2025-07-31 日本製鉄株式会社 Steel plate, steel member, and method for manufacturing steel plate
WO2025225612A1 (en) * 2024-04-22 2025-10-30 日本製鉄株式会社 Steel sheet, method for producing same, and component
JP7755223B1 (en) * 2024-04-22 2025-10-16 日本製鉄株式会社 Steel plate, its manufacturing method, and parts
WO2026023570A1 (en) * 2024-07-24 2026-01-29 日本製鉄株式会社 Steel sheet and outer sheet member
JP7806983B1 (en) * 2024-08-09 2026-01-27 Ｊｆｅスチール株式会社 High-strength steel sheet and its manufacturing method, high-strength plated steel sheet and its manufacturing method, member and its manufacturing method, and automobile frame structural part or automobile reinforcing part
WO2026033934A1 (en) * 2024-08-09 2026-02-12 Ｊｆｅスチール株式会社 High-strength steel sheet and method for producing same, high-strength plated steel sheet and method for producing same, member and method for producing same, and automobile skeleton structure component or automobile reinforcement component
WO2026070023A1 (en) * 2024-09-27 2026-04-02 Ｊｆｅスチール株式会社 Steel plate and member, and methods for manufacturing same
CN120443067B (en) * 2025-07-09 2025-09-30 鞍钢股份有限公司 A 1430MPa grade passenger car steel and its production method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3719156A1 (en) * 2017-11-29 2020-10-07 JFE Steel Corporation High-strength galvanized steel sheet and method for manufacturing same
EP3748029A1 (en) * 2018-03-30 2020-12-09 JFE Steel Corporation High-strength galvanized steel sheet, high-strength member, and manufacturing methods therefor
WO2021024748A1 (en) * 2019-08-06 2021-02-11 Ｊｆｅスチール株式会社 High-strength thin steel sheet and method for manufacturing same

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6037810Y2 (en) 1979-12-28 1985-11-11 矢崎総業株式会社 Terminal fittings for branch connections
JPS5953693U (en) 1982-10-01 1984-04-09 象印チエンブロツク株式会社 AC electric motor power supply device
JPS6052472U (en) 1983-09-20 1985-04-12 日邦バルブ工業株式会社 Ball valve type water stop valve with adjustable flow rate
JP3887235B2 (en) 2002-01-11 2007-02-28 新日本製鐵株式会社 High-strength steel sheet, high-strength hot-dip galvanized steel sheet, high-strength galvannealed steel sheet excellent in stretch flangeability and impact resistance, and manufacturing method thereof
JP4943558B2 (en) * 2009-08-31 2012-05-30 新日本製鐵株式会社 High-strength hot-dip galvanized steel sheet and manufacturing method thereof
JP5699764B2 (en) 2011-04-11 2015-04-15 新日鐵住金株式会社 Alloyed hot-dip galvanized steel sheet and method for producing the same
JP5953693B2 (en) 2011-09-30 2016-07-20 新日鐵住金株式会社 High-strength hot-dip galvanized steel sheet with excellent plating adhesion and formability and its manufacturing method
WO2015088523A1 (en) * 2013-12-11 2015-06-18 ArcelorMittal Investigación y Desarrollo, S.L. Cold rolled and annealed steel sheet
WO2016113789A1 (en) 2015-01-15 2016-07-21 Ｊｆｅスチール株式会社 High-strength hot-dip galvanized steel sheet and production method thereof
MX2021009947A (en) * 2019-02-22 2021-09-21 Jfe Steel Corp High-strength hot-dip galvanized steel sheet and method for manufacturing same.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3719156A1 (en) * 2017-11-29 2020-10-07 JFE Steel Corporation High-strength galvanized steel sheet and method for manufacturing same
EP3748029A1 (en) * 2018-03-30 2020-12-09 JFE Steel Corporation High-strength galvanized steel sheet, high-strength member, and manufacturing methods therefor
WO2021024748A1 (en) * 2019-08-06 2021-02-11 Ｊｆｅスチール株式会社 High-strength thin steel sheet and method for manufacturing same
EP4012055A1 (en) * 2019-08-06 2022-06-15 JFE Steel Corporation High-strength thin steel sheet and method for manufacturing same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023218731A1 *

Also Published As

Publication number Publication date
KR20240172210A (en) 2024-12-09
WO2023218731A1 (en) 2023-11-16
EP4502218A1 (en) 2025-02-05
JPWO2023218731A1 (en) 2023-11-16
CN119137300A (en) 2024-12-13
JP7601257B2 (en) 2024-12-17
US20250290186A1 (en) 2025-09-18
MX2024013684A (en) 2024-12-06

Similar Documents

Publication Publication Date Title
EP4502218A4 (en) STEEL SHEET, ELEMENT AND PRODUCTION METHOD THEREOF
EP4502195A4 (en) STEEL SHEET, COMPONENT AND CORRESPONDING PRODUCTION METHODS
EP3875615A4 (en) STEEL SHEET, ELEMENT, AND METHOD OF MANUFACTURING SUCH A STEEL SHEET
EP3967779A4 (en) STEEL SHEET AND METHOD FOR MAKING IT
EP4067524A4 (en) STEEL SHEET, ELEMENT AND METHOD OF MAKING THE SAME
EP4417727A4 (en) GALVANIZED STEEL SHEET AND ELEMENT, AND ASSOCIATED MANUFACTURING METHOD
EP4151762A4 (en) STEEL SHEET, ELEMENT, AND THEIR MANUFACTURING METHOD
EP4316720A4 (en) PLATED STEEL SHEET, ELEMENT AND PRODUCTION METHOD THEREOF
EP4163405A4 (en) STEEL SHEET, AND METHOD FOR MANUFACTURING SAME
EP4137601A4 (en) STEEL SHEET, ELEMENT AND THEIR PRODUCTION METHODS
EP3954792A4 (en) STEEL SHEET AND ITS PRODUCTION METHOD
EP4223894A4 (en) STEEL SHEET AND ITS PRODUCTION METHOD
EP4372118A4 (en) STEEL SHEET, ELEMENT AND METHOD FOR MANUFACTURING STEEL SHEET AND ELEMENT
EP2127766A4 (en) METHOD FOR ROLLING A METAL SHEET MATERIAL AND LAMINATED SHEET MATERIAL PRODUCED BY THE ROLLING PROCESS
EP4163404A4 (en) STEEL SHEET AND METHOD FOR MANUFACTURING SAME
EP4095272A4 (en) STEEL SHEET AND ITS PRODUCTION METHOD
EP4183892A4 (en) STEEL SHEET AND ITS PRODUCTION METHOD
EP4001447A4 (en) STEEL SHEET, ELEMENT AND THEIR PRODUCTION METHODS
EP3854900A4 (en) STEEL ELEMENT, STEEL SHEET AND THEIR PRODUCTION METHODS
EP2210967A4 (en) SURFACE TREATED STEEL SHEET, MANUFACTURING METHOD THEREOF, AND RESIN COATED STEEL SHEET
EP3875616A4 (en) SHEET STEEL, ELEMENT AND MANUFACTURING PROCESS OF THESE LATEST
EP4043597A4 (en) FERRITIC STAINLESS STEEL SHEET, METHOD FOR PRODUCING IT, AND FERRITIC STAINLESS STEEL PART
EP4361304A4 (en) STEEL SHEET, ELEMENT AND METHODS FOR PRODUCING SAID STEEL SHEET AND SAID ELEMENT
EP4481080A4 (en) STEEL SHEET, ELEMENT AND PRODUCTION METHOD THEREOF
EP4137602A4 (en) GALVANIZED STEEL SHEET, ELEMENT AND METHODS OF MANUFACTURING THEREOF

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20241030

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Free format text: PREVIOUS MAIN CLASS: C22C0038000000

Ipc: C21D0008020000

A4 Supplementary search report drawn up and despatched

Effective date: 20250626

RIC1 Information provided on ipc code assigned before grant

Ipc: C21D 8/02 20060101AFI20250620BHEP

Ipc: C21D 1/19 20060101ALI20250620BHEP

Ipc: C21D 1/26 20060101ALI20250620BHEP

Ipc: C21D 1/76 20060101ALI20250620BHEP

Ipc: C21D 9/46 20060101ALI20250620BHEP

Ipc: C22C 38/00 20060101ALI20250620BHEP

Ipc: C22C 38/02 20060101ALI20250620BHEP

Ipc: C22C 38/04 20060101ALI20250620BHEP

Ipc: C22C 38/06 20060101ALI20250620BHEP

Ipc: C22C 38/08 20060101ALI20250620BHEP

Ipc: C22C 38/10 20060101ALI20250620BHEP

Ipc: C22C 38/12 20060101ALI20250620BHEP

Ipc: C22C 38/14 20060101ALI20250620BHEP

Ipc: C22C 38/16 20060101ALI20250620BHEP

Ipc: C22C 38/26 20060101ALI20250620BHEP

Ipc: C22C 38/28 20060101ALI20250620BHEP

Ipc: C22C 38/32 20060101ALI20250620BHEP

Ipc: C22C 38/38 20060101ALI20250620BHEP

Ipc: C22C 38/60 20060101ALI20250620BHEP

Ipc: C23C 2/06 20060101ALI20250620BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)