EP4296385A4 - METHOD FOR MANUFACTURING STEEL SHEET - Google Patents

METHOD FOR MANUFACTURING STEEL SHEET Download PDF

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Publication number
EP4296385A4
EP4296385A4 EP22766965.2A EP22766965A EP4296385A4 EP 4296385 A4 EP4296385 A4 EP 4296385A4 EP 22766965 A EP22766965 A EP 22766965A EP 4296385 A4 EP4296385 A4 EP 4296385A4
Authority
EP
European Patent Office
Prior art keywords
steel sheet
manufacturing steel
manufacturing
sheet
steel
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
EP22766965.2A
Other languages
German (de)
French (fr)
Other versions
EP4296385A1 (en
Inventor
Shuya MAEKAWA
Shohei Nakakubo
Ryosuke OTOMO
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel 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
Priority claimed from JP2021204254A external-priority patent/JP7696817B2/en
Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of EP4296385A1 publication Critical patent/EP4296385A1/en
Publication of EP4296385A4 publication Critical patent/EP4296385A4/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
    • C21D1/26—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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • C22C38/02—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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • 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
    • 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
    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
EP22766965.2A 2021-03-08 2022-03-02 METHOD FOR MANUFACTURING STEEL SHEET Pending EP4296385A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021036228 2021-03-08
JP2021204254A JP7696817B2 (en) 2021-03-08 2021-12-16 Steel sheet manufacturing method
PCT/JP2022/008962 WO2022191006A1 (en) 2021-03-08 2022-03-02 Method for manufacturing steel sheet

Publications (2)

Publication Number Publication Date
EP4296385A1 EP4296385A1 (en) 2023-12-27
EP4296385A4 true EP4296385A4 (en) 2024-08-07

Family

ID=83227165

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22766965.2A Pending EP4296385A4 (en) 2021-03-08 2022-03-02 METHOD FOR MANUFACTURING STEEL SHEET

Country Status (5)

Country Link
US (1) US20240182998A1 (en)
EP (1) EP4296385A4 (en)
KR (1) KR102899961B1 (en)
MX (1) MX2023010443A (en)
WO (1) WO2022191006A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2025146687A (en) * 2024-03-22 2025-10-03 株式会社神戸製鋼所 Hot-rolled steel sheet manufacturing method and hot-rolled steel sheet

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05222452A (en) * 1992-02-07 1993-08-31 Sumitomo Metal Ind Ltd High carbon steel strip manufacturing method
JP2000309847A (en) * 1999-04-20 2000-11-07 Kawasaki Steel Corp Hot-rolled steel sheet, hot-dip hot-rolled steel sheet, and methods for producing them
JP2019527771A (en) * 2016-07-27 2019-10-03 宝山鋼鉄股▲分▼有限公司 1500MPa high strength steel product for automobile and its manufacturing method
JP2019532186A (en) * 2016-09-22 2019-11-07 アルセロールミタル Cold rolled heat treated steel sheet with high strength and high formability and manufacturing method
US20200149129A1 (en) * 2017-06-02 2020-05-14 Arcelormittal Steel sheet for manufacturing press hardened parts, press hardened part having a combination of high strength and crash ductility, and manufacturing methods thereof

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3835083B2 (en) 1999-02-25 2006-10-18 Ｊｆｅスチール株式会社 Cold-rolled steel sheet, hot-dip galvanized steel sheet, and production method
JP4741376B2 (en) 2005-01-31 2011-08-03 新日本製鐵株式会社 High-strength galvannealed steel sheet with good appearance, manufacturing method and manufacturing equipment thereof
EP3159420B1 (en) 2014-09-08 2020-09-16 JFE Steel Corporation Method for producing high-strength hot-dipped galvanized steel sheet
WO2017109539A1 (en) * 2015-12-21 2017-06-29 Arcelormittal Method for producing a high strength steel sheet having improved strength and formability, and obtained high strength steel sheet
JP2017222887A (en) 2016-06-13 2017-12-21 株式会社神戸製鋼所 Steel sheet production method
US11447841B2 (en) * 2016-11-16 2022-09-20 Jfe Steel Corporation High-strength steel sheet and method for producing same
WO2019122963A1 (en) * 2017-12-19 2019-06-27 Arcelormittal Cold rolled and heat treated steel sheet and a method of manufacturing thereof
WO2020128574A1 (en) * 2018-12-18 2020-06-25 Arcelormittal Cold rolled and heat-treated steel sheet and method of manufacturing the same
AU2020210301B2 (en) 2019-08-02 2021-12-16 Bionime Corporation Micro Biosensor and Method for Reducing Measurement Interference Using the Same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05222452A (en) * 1992-02-07 1993-08-31 Sumitomo Metal Ind Ltd High carbon steel strip manufacturing method
JP2000309847A (en) * 1999-04-20 2000-11-07 Kawasaki Steel Corp Hot-rolled steel sheet, hot-dip hot-rolled steel sheet, and methods for producing them
JP2019527771A (en) * 2016-07-27 2019-10-03 宝山鋼鉄股▲分▼有限公司 1500MPa high strength steel product for automobile and its manufacturing method
JP2019532186A (en) * 2016-09-22 2019-11-07 アルセロールミタル Cold rolled heat treated steel sheet with high strength and high formability and manufacturing method
US20200149129A1 (en) * 2017-06-02 2020-05-14 Arcelormittal Steel sheet for manufacturing press hardened parts, press hardened part having a combination of high strength and crash ductility, and manufacturing methods thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022191006A1 *

Also Published As

Publication number Publication date
EP4296385A1 (en) 2023-12-27
WO2022191006A1 (en) 2022-09-15
KR102899961B1 (en) 2025-12-12
KR20230145590A (en) 2023-10-17
US20240182998A1 (en) 2024-06-06
MX2023010443A (en) 2023-09-12

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RIC1 Information provided on ipc code assigned before grant

Ipc: C21D 1/76 20060101ALN20240704BHEP

Ipc: C21D 8/02 20060101ALI20240704BHEP

Ipc: C22C 38/38 20060101ALI20240704BHEP

Ipc: C22C 38/60 20060101ALI20240704BHEP

Ipc: C23C 2/06 20060101ALI20240704BHEP

Ipc: C22C 38/00 20060101ALI20240704BHEP

Ipc: C22C 38/06 20060101ALI20240704BHEP

Ipc: C23G 1/08 20060101ALI20240704BHEP

Ipc: C21D 9/52 20060101ALI20240704BHEP

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Ipc: C21D 9/46 20060101AFI20240704BHEP