EP4592414A4 - Acier revêtu à ultra-haute résistance, à faible sensibilité à la fissure de soudage par points et son procédé de fabrication - Google Patents

Acier revêtu à ultra-haute résistance, à faible sensibilité à la fissure de soudage par points et son procédé de fabrication

Info

Publication number
EP4592414A4
EP4592414A4 EP23867653.0A EP23867653A EP4592414A4 EP 4592414 A4 EP4592414 A4 EP 4592414A4 EP 23867653 A EP23867653 A EP 23867653A EP 4592414 A4 EP4592414 A4 EP 4592414A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing
strength steel
low sensitivity
coated ultra
pinch welding
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
EP23867653.0A
Other languages
German (de)
English (en)
Other versions
EP4592414A1 (fr
Inventor
Hua Pan
Ming Lei
Xinyan Jin
Tao Gong
Haomin Jiang
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.)
Baoshan Iron and Steel Co Ltd
Original Assignee
Baoshan Iron and Steel Co Ltd
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 Baoshan Iron and Steel Co Ltd filed Critical Baoshan Iron and Steel Co Ltd
Publication of EP4592414A1 publication Critical patent/EP4592414A1/fr
Publication of EP4592414A4 publication Critical patent/EP4592414A4/fr
Pending legal-status Critical Current

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
    • C21D1/18—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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
    • 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
    • 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
    • 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
    • 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
    • C21D8/021—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 involving particular fabrication steps or treatments of ingots or slabs
    • 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
    • C21D8/021—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 involving particular fabrication steps or treatments of ingots or slabs
    • C21D8/0215—Rapid solidification; Thin strip casting
    • 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
    • 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
    • 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
    • C21D8/0278—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 involving a particular surface treatment 
    • 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
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • 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
    • C22C38/02—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
    • C22C38/12—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
    • C23C2/04—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
    • 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
    • C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08—Iron or steel
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/22—Electroplating: Baths therefor from solutions of zinc
    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Steel (AREA)
  • Coating With Molten Metal (AREA)
EP23867653.0A 2022-09-23 2023-09-25 Acier revêtu à ultra-haute résistance, à faible sensibilité à la fissure de soudage par points et son procédé de fabrication Pending EP4592414A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202211168303.5A CN117802400A (zh) 2022-09-23 2022-09-23 一种低点焊裂纹敏感性的带镀层超高强钢及其制造方法
PCT/CN2023/120965 WO2024061368A1 (fr) 2022-09-23 2023-09-25 Acier revêtu à ultra-haute résistance, à faible sensibilité à la fissure de soudage par points et son procédé de fabrication

Publications (2)

Publication Number Publication Date
EP4592414A1 EP4592414A1 (fr) 2025-07-30
EP4592414A4 true EP4592414A4 (fr) 2026-04-29

Family

ID=90427362

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23867653.0A Pending EP4592414A4 (fr) 2022-09-23 2023-09-25 Acier revêtu à ultra-haute résistance, à faible sensibilité à la fissure de soudage par points et son procédé de fabrication

Country Status (8)

Country Link
US (1) US20260098327A1 (fr)
EP (1) EP4592414A4 (fr)
JP (1) JP2025531930A (fr)
KR (1) KR20250075594A (fr)
CN (1) CN117802400A (fr)
AU (1) AU2023345395A1 (fr)
MX (1) MX2025003397A (fr)
WO (1) WO2024061368A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN121204518A (zh) * 2024-06-26 2025-12-26 宝山钢铁股份有限公司 一种拉延性能优异的低合金超高强钢及其制造方法
CN118726856A (zh) * 2024-07-29 2024-10-01 鞍钢股份有限公司 汽车用980MPa级抗点焊液态金属脆化的镀锌钢板及其制造方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101151392A (zh) * 2005-03-31 2008-03-26 杰富意钢铁株式会社 合金化热镀锌钢板及其制造方法
EP2524972A1 (fr) * 2010-01-13 2012-11-21 Nippon Steel Corporation Tôle d'acier a haute resistance presentant une excellente formabilite, et son procede de production
US20160108492A1 (en) * 2012-11-15 2016-04-21 Baoshan Iron & Steel Co., Ltd. High-formability and super-strength hot galvanizing steel plate and manufacturing method thereof
US20180230570A1 (en) * 2015-07-01 2018-08-16 Tata Steel Ijmuiden B.V. High strength hot dip galvanised steel strip
US20180363082A1 (en) * 2015-12-15 2018-12-20 Tata Steel Ijmuiden B.V. High strength hot dip galvanised steel strip
US20220259689A1 (en) * 2019-06-03 2022-08-18 Arcelormittal Cold rolled and coated steel sheet and a method of manufacturing thereof

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3587116B2 (ja) * 2000-01-25 2004-11-10 Ｊｆｅスチール株式会社 高張力溶融亜鉛めっき鋼板およびその製造方法
JP5131802B2 (ja) * 2005-11-29 2013-01-30 Ｊｆｅスチール株式会社 スポット溶接性と成形性に優れた高強度溶融亜鉛めっき鋼板
JP4815199B2 (ja) * 2005-11-30 2011-11-16 Ｊｓｒ株式会社 コーティング用組成物を用いたアルミニウム膜の形成方法およびアルミニウム膜
JP5167487B2 (ja) * 2008-02-19 2013-03-21 Ｊｆｅスチール株式会社 延性に優れる高強度鋼板およびその製造方法
KR20100034118A (ko) * 2008-09-23 2010-04-01 포항공과대학교 산학협력단 마르텐사이트 조직을 가진 초고강도 용융아연도금 강판 및 그 제조 방법
JP4883216B2 (ja) * 2010-01-22 2012-02-22 Ｊｆｅスチール株式会社 加工性とスポット溶接性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法
JP6264507B2 (ja) * 2016-02-10 2018-01-24 Ｊｆｅスチール株式会社 高強度亜鉛めっき鋼板及びその製造方法
JP6354075B1 (ja) * 2016-08-10 2018-07-11 Ｊｆｅスチール株式会社 高強度薄鋼板およびその製造方法
CN108015401B (zh) 2016-11-04 2020-06-23 宝山钢铁股份有限公司 具有良好接头性能的镀锌高强钢电阻点焊方法
WO2018234839A1 (fr) 2017-06-20 2018-12-27 Arcelormittal Tôle d'acier revêtue de zinc présentant une soudabilité par points de haute résistance
WO2019003447A1 (fr) * 2017-06-30 2019-01-03 Ｊｆｅスチール株式会社 Élément pressé à chaud et son procédé de production, et tôle d'acier laminée à froid pour pressage à chaud
US10329639B2 (en) 2017-08-04 2019-06-25 Gm Global Technology Operations Llc. Multilayer steel and method of reducing liquid metal embrittlement
WO2020158066A1 (fr) * 2019-01-30 2020-08-06 Ｊｆｅスチール株式会社 Tôle d'acier haute résistance et procédé de fabrication de celle-ci
KR102412400B1 (ko) * 2020-08-10 2022-06-24 주식회사 포스코 우수한 점용접성, 강도 및 성형성을 갖는 냉연강판 및 그 제조방법
CN111945075B (zh) * 2020-09-07 2021-11-12 鞍钢股份有限公司 一种高扩孔性能合金化热镀锌dh590钢及其制备方法
MX2023005389A (es) * 2020-11-11 2023-05-19 Nippon Steel Corp Lamina de acero y metodo para producir la misma.
CN114807737B (zh) * 2021-01-21 2023-06-13 宝山钢铁股份有限公司 一种热镀锌钢及其制造方法
MX2023009752A (es) * 2021-04-27 2023-08-30 Nippon Steel Corp Lamina de acero y lamina de acero enchapada.
WO2023281035A1 (fr) * 2021-07-07 2023-01-12 Tata Steel Ijmuiden B.V. Bande d'acier à deux phases revêtue à haute résistance et son procédé de production

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101151392A (zh) * 2005-03-31 2008-03-26 杰富意钢铁株式会社 合金化热镀锌钢板及其制造方法
EP2524972A1 (fr) * 2010-01-13 2012-11-21 Nippon Steel Corporation Tôle d'acier a haute resistance presentant une excellente formabilite, et son procede de production
US20160108492A1 (en) * 2012-11-15 2016-04-21 Baoshan Iron & Steel Co., Ltd. High-formability and super-strength hot galvanizing steel plate and manufacturing method thereof
US20180230570A1 (en) * 2015-07-01 2018-08-16 Tata Steel Ijmuiden B.V. High strength hot dip galvanised steel strip
US20180363082A1 (en) * 2015-12-15 2018-12-20 Tata Steel Ijmuiden B.V. High strength hot dip galvanised steel strip
US20220259689A1 (en) * 2019-06-03 2022-08-18 Arcelormittal Cold rolled and coated steel sheet and a method of manufacturing thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2024061368A1 *

Also Published As

Publication number Publication date
US20260098327A1 (en) 2026-04-09
MX2025003397A (es) 2025-05-02
CN117802400A (zh) 2024-04-02
WO2024061368A1 (fr) 2024-03-28
AU2023345395A1 (en) 2025-05-01
JP2025531930A (ja) 2025-09-25
EP4592414A1 (fr) 2025-07-30
KR20250075594A (ko) 2025-05-28

Similar Documents

Publication Publication Date Title
EP4592414A4 (fr) Acier revêtu à ultra-haute résistance, à faible sensibilité à la fissure de soudage par points et son procédé de fabrication
EP4527966A4 (fr) Acier en bande laminé à chaud à haute résistance présentant une résistance aux intempéries élevée, et son procédé de fabrication
EP4527965A4 (fr) Acier en bande laminé à chaud à haute résistance et haute plasticité à résistance élevée aux intempéries et son procédé de fabrication
EP4414473A4 (fr) Acier à haute résistance présentant une bonne résistance aux intempéries et son procédé de fabrication
EP4596307A4 (fr) Procédé de commande et véhicule
EP4574303A4 (fr) Tige de fil d'acier à haute teneur en carbone et son procédé de production
EP4491772A4 (fr) Tôle d'acier traitée en surface et son procédé de production
EP4527970A4 (fr) Feuille d'acier galvanisé à ultra-haute résistance présentant une excellente soudabilité et son procédé de fabrication
EP4512616A4 (fr) Feuille d'acier revêtue et son procédé de production
EP4484599A4 (fr) Barre d'acier résistante à la corrosion et son procédé de production
EP4464810A4 (fr) Composant d'acier et son procédé de production
EP4321835A4 (fr) Appareil de détection de position de partie soudée et de partie chauffée dans un tuyau en acier soudé, équipement de fabrication de tuyau en acier soudé, procédé de détection de position de partie soudée et de partie chauffée dans un tuyau en acier soudé, procédé de fabrication de tuyau en acier soudé et procédé de gestion de qualité de tuyau en acier soudé
EP4321641A4 (fr) Pièce en alliage d'aluminium modifiée composite à haute plasticité et son procédé de préparation
DE112022002993A5 (de) Optoelektronischer biosensor und verfahren
MX2021010226A (es) Metodo para fabricar hojalata revestida con oxido de cromo.
EP4578984A4 (fr) Acier biphasé et son procédé de fabrication
EP4466375A4 (fr) Procédés de détection de protéines et de co-détection de protéines et d'acides nucléiques, et kits associés
EP4408600A4 (fr) Articles produits par fabrication additive ayant des surfaces passivées et procédés associés
EP4098764A4 (fr) Tuyau en acier soudé et son procédé de fabrication
EP4033000A4 (fr) Bande d'acier martensitique et procédé de fabrication associé
KR102420054B9 (ko) 고강도 폴리에틸렌 섬유 및 그의 제조방법
EP4317508A4 (fr) Tôle d'acier allié galvanisée à chaud à haute résistance et procédé de fabrication associé
KR102464386B9 (ko) 고강도 고연신 열연강재 및 그 제조방법
EP4227795C0 (fr) Procédé mis en uvre par ordinateur et support lisible par ordinateur
EP4409051A4 (fr) Articles formés par fabrication additive présentant des surfaces revêtues et procédés associés

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: 20250422

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

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Free format text: PREVIOUS MAIN CLASS: C22C0038000000

Ipc: C21D0006000000

A4 Supplementary search report drawn up and despatched

Effective date: 20260330

RIC1 Information provided on ipc code assigned before grant

Ipc: C21D 6/00 20060101AFI20260324BHEP

Ipc: C21D 1/26 20060101ALI20260324BHEP

Ipc: C21D 8/02 20060101ALI20260324BHEP

Ipc: C21D 8/0221 20260101ALI20260324BHEP

Ipc: C21D 8/0247 20260101ALI20260324BHEP

Ipc: C21D 9/46 20060101ALI20260324BHEP

Ipc: C22C 38/00 20060101ALI20260324BHEP

Ipc: C22C 38/02 20060101ALI20260324BHEP

Ipc: C22C 38/04 20060101ALI20260324BHEP

Ipc: C22C 38/06 20060101ALI20260324BHEP

Ipc: C22C 38/12 20060101ALI20260324BHEP

Ipc: C23C 2/12 20060101ALI20260324BHEP

Ipc: C23C 2/28 20060101ALI20260324BHEP

Ipc: C23C 2/40 20060101ALI20260324BHEP

Ipc: C23C 30/00 20060101ALI20260324BHEP

Ipc: C23G 1/08 20060101ALI20260324BHEP

Ipc: C21D 8/00 20060101ALI20260324BHEP

Ipc: C21D 1/19 20060101ALI20260324BHEP

Ipc: C21D 1/25 20060101ALI20260324BHEP

Ipc: C21D 1/76 20060101ALI20260324BHEP

Ipc: C21D 8/021 20260101ALI20260324BHEP

Ipc: C23C 2/02 20060101ALN20260324BHEP

Ipc: C23C 2/06 20060101ALN20260324BHEP