EP4350017A4 - METAL SHEET HARDENING APPARATUS, CONTINUOUS ANNEALING PLANT, METAL SHEET HARDENING METHOD, COLD-ROLLED STEEL SHEET PRODUCTION METHOD, AND PLATED STEEL SHEET PRODUCTION METHOD - Google Patents

METAL SHEET HARDENING APPARATUS, CONTINUOUS ANNEALING PLANT, METAL SHEET HARDENING METHOD, COLD-ROLLED STEEL SHEET PRODUCTION METHOD, AND PLATED STEEL SHEET PRODUCTION METHOD

Info

Publication number
EP4350017A4
EP4350017A4 EP22845679.4A EP22845679A EP4350017A4 EP 4350017 A4 EP4350017 A4 EP 4350017A4 EP 22845679 A EP22845679 A EP 22845679A EP 4350017 A4 EP4350017 A4 EP 4350017A4
Authority
EP
European Patent Office
Prior art keywords
production method
steel sheet
metal sheet
hardening
cold
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
EP22845679.4A
Other languages
German (de)
French (fr)
Other versions
EP4350017A1 (en
Inventor
Hideyuki Takahashi
Soshi YOSHIMOTO
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 EP4350017A1 publication Critical patent/EP4350017A1/en
Publication of EP4350017A4 publication Critical patent/EP4350017A4/en
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
    • 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
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/60—Aqueous agents
    • 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
    • C21D1/62—Quenching devices
    • C21D1/63—Quenching devices for bath 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
    • C21D1/62—Quenching devices
    • C21D1/667—Quenching devices for spray 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
    • C21D11/00—Process control or regulation for heat treatments
    • C21D11/005—Process control or regulation for heat treatments for cooling
    • 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
    • C21D8/0242—Flattening; Dressing; Flexing
    • 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
    • C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
    • 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
    • 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
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire
    • C21D9/573—Continuous furnaces for strip or wire with cooling
    • C21D9/5735—Details
    • C21D9/5737—Rolls; Drums; Roll arrangements
    • 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
    • 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
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/06—Wires; Strips; Foils
    • C25D7/0614—Strips or foils
    • 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
    • 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
    • C22C38/08—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
    • C22C38/32—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
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/18—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
EP22845679.4A 2021-07-19 2022-05-11 METAL SHEET HARDENING APPARATUS, CONTINUOUS ANNEALING PLANT, METAL SHEET HARDENING METHOD, COLD-ROLLED STEEL SHEET PRODUCTION METHOD, AND PLATED STEEL SHEET PRODUCTION METHOD Pending EP4350017A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021118518 2021-07-19
PCT/JP2022/019933 WO2023002741A1 (en) 2021-07-19 2022-05-11 Metal sheet-quenching apparatus, continuous annealing facility, metal sheet-quenching method, cold-rolled steel sheet production method, and plated steel sheet production method

Publications (2)

Publication Number Publication Date
EP4350017A1 EP4350017A1 (en) 2024-04-10
EP4350017A4 true EP4350017A4 (en) 2025-01-08

Family

ID=84979117

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22845679.4A Pending EP4350017A4 (en) 2021-07-19 2022-05-11 METAL SHEET HARDENING APPARATUS, CONTINUOUS ANNEALING PLANT, METAL SHEET HARDENING METHOD, COLD-ROLLED STEEL SHEET PRODUCTION METHOD, AND PLATED STEEL SHEET PRODUCTION METHOD

Country Status (7)

Country Link
US (1) US20240344158A1 (en)
EP (1) EP4350017A4 (en)
JP (1) JP7355251B2 (en)
KR (1) KR20240021272A (en)
CN (1) CN117693600A (en)
MX (1) MX2024000733A (en)
WO (1) WO2023002741A1 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3389590A (en) * 1964-08-25 1968-06-25 Spidem Ste Nle Cooling attachment for high speed reversing mill
JPS462733B1 (en) * 1967-02-07 1971-01-23
JPS5218124B1 (en) * 1970-01-14 1977-05-19
JPS5636313A (en) * 1979-08-31 1981-04-09 Kawasaki Steel Corp Method and apparatus for cooling rolled material in continuous hot finishing line
JPH08176884A (en) * 1994-12-26 1996-07-09 Kawasaki Steel Corp Method and apparatus for quenching tin-plated steel strip
WO2017115742A1 (en) * 2015-12-28 2017-07-06 Ｊｆｅスチール株式会社 Rapid cooling quenching device and rapid cooling quenching method
EP3225705A1 (en) * 2014-11-28 2017-10-04 JFE Steel Corporation Method for manufacturing metal plates and quenching device
WO2021085335A1 (en) * 2019-10-31 2021-05-06 Ｊｆｅスチール株式会社 Steel plate, member, and method for manufacturing said steel plate and member

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5842254B2 (en) * 1979-06-29 1983-09-19 日本鋼管株式会社 Continuous annealing equipment
JP2003277833A (en) 2002-03-22 2003-10-02 Jfe Steel Kk Metal plate manufacturing method and manufacturing apparatus
JP2011184773A (en) 2010-03-10 2011-09-22 Kobe Steel Ltd Continuous annealing apparatus, and method for suppressing corrugation deformation of metal sheet during quenching in the same
JP6308287B2 (en) * 2015-12-28 2018-04-11 Ｊｆｅスチール株式会社 Rapid quenching apparatus and quench quenching method
KR102495085B1 (en) * 2018-07-31 2023-02-06 제이에프이 스틸 가부시키가이샤 Thin steel sheet and its manufacturing method
CN113677811A (en) * 2019-03-29 2021-11-19 杰富意钢铁株式会社 Quenching device and manufacturing method of metal plate
EP4015660A4 (en) * 2019-10-31 2022-11-09 JFE Steel Corporation STEEL SHEET, ELEMENT, METHOD OF PRODUCTION OF SAME STEEL SHEET AND METHOD OF PRODUCTION OF SAME ELEMENT

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3389590A (en) * 1964-08-25 1968-06-25 Spidem Ste Nle Cooling attachment for high speed reversing mill
JPS462733B1 (en) * 1967-02-07 1971-01-23
JPS5218124B1 (en) * 1970-01-14 1977-05-19
JPS5636313A (en) * 1979-08-31 1981-04-09 Kawasaki Steel Corp Method and apparatus for cooling rolled material in continuous hot finishing line
JPH08176884A (en) * 1994-12-26 1996-07-09 Kawasaki Steel Corp Method and apparatus for quenching tin-plated steel strip
EP3225705A1 (en) * 2014-11-28 2017-10-04 JFE Steel Corporation Method for manufacturing metal plates and quenching device
WO2017115742A1 (en) * 2015-12-28 2017-07-06 Ｊｆｅスチール株式会社 Rapid cooling quenching device and rapid cooling quenching method
WO2021085335A1 (en) * 2019-10-31 2021-05-06 Ｊｆｅスチール株式会社 Steel plate, member, and method for manufacturing said steel plate and member
EP4015661A1 (en) * 2019-10-31 2022-06-22 JFE Steel Corporation Steel plate, member, and method for manufacturing said steel plate and member

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023002741A1 *

Also Published As

Publication number Publication date
CN117693600A (en) 2024-03-12
KR20240021272A (en) 2024-02-16
JP7355251B2 (en) 2023-10-03
US20240344158A1 (en) 2024-10-17
JPWO2023002741A1 (en) 2023-01-26
WO2023002741A1 (en) 2023-01-26
EP4350017A1 (en) 2024-04-10
MX2024000733A (en) 2024-02-09

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