EP4066956A4 - STEEL SHEET FABRICATION EQUIPMENT AND METHOD - Google Patents

STEEL SHEET FABRICATION EQUIPMENT AND METHOD Download PDF

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Publication number
EP4066956A4
EP4066956A4 EP20893260.8A EP20893260A EP4066956A4 EP 4066956 A4 EP4066956 A4 EP 4066956A4 EP 20893260 A EP20893260 A EP 20893260A EP 4066956 A4 EP4066956 A4 EP 4066956A4
Authority
EP
European Patent Office
Prior art keywords
steel sheet
fabrication equipment
sheet fabrication
equipment
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
EP20893260.8A
Other languages
German (de)
French (fr)
Other versions
EP4066956A1 (en
Inventor
Satoshi Ueoka
Yuta TAMURA
Yusuke Nojima
Takahiro Hirano
Ken Miura
Ori Kumano
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 EP4066956A1 publication Critical patent/EP4066956A1/en
Publication of EP4066956A4 publication Critical patent/EP4066956A4/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • 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
    • C21D9/0056—Furnaces through which the charge is moved in a horizontal straight path
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
    • B21D1/05—Stretching combined with 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
    • 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
    • C21D1/28—Normalising
    • 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
    • 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
    • C21D8/0221—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
    • C21D8/0221—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
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B2001/221—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length by cold-rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
    • B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Metal Rolling (AREA)
EP20893260.8A 2019-11-25 2020-11-18 STEEL SHEET FABRICATION EQUIPMENT AND METHOD Pending EP4066956A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019212625 2019-11-25
PCT/JP2020/043061 WO2021106723A1 (en) 2019-11-25 2020-11-18 Manufacturing equipment and manufacturing method for steel plate

Publications (2)

Publication Number Publication Date
EP4066956A1 EP4066956A1 (en) 2022-10-05
EP4066956A4 true EP4066956A4 (en) 2023-01-11

Family

ID=76129339

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20893260.8A Pending EP4066956A4 (en) 2019-11-25 2020-11-18 STEEL SHEET FABRICATION EQUIPMENT AND METHOD

Country Status (5)

Country Link
EP (1) EP4066956A4 (en)
JP (1) JP7173377B2 (en)
KR (1) KR102685815B1 (en)
CN (1) CN114728320B (en)
WO (1) WO2021106723A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115055530B (en) * 2022-05-31 2025-08-29 江苏省沙钢钢铁研究院有限公司 High-flatness hot-rolled steel plate and production method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61126909A (en) * 1984-11-21 1986-06-14 Sumitomo Metal Ind Ltd Working and heat treating installation in rolling line for thick plate
JP2002011515A (en) * 2001-05-23 2002-01-15 Nkk Corp Steel plate manufacturing line and steel plate manufacturing method
JP2005279703A (en) * 2004-03-29 2005-10-13 Jfe Steel Kk Steel plate manufacturing method and manufacturing equipment
EP2412455A1 (en) * 2009-03-25 2012-02-01 JFE Steel Corporation Steel plate manufacturing equipment and method of manufacturing
WO2019065360A1 (en) * 2017-09-28 2019-04-04 Ｊｆｅスチール株式会社 Steel plate manufacturing equipment and steel plate manufacturing method

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57116732A (en) * 1981-01-13 1982-07-20 Nippon Steel Corp Continuous heat treatment device train for steel plate
JPS61262418A (en) * 1985-05-17 1986-11-20 Sumitomo Metal Ind Ltd Heat treating facility for processing thick steel plate
JPS6272430A (en) * 1985-09-26 1987-04-03 Sumitomo Metal Ind Ltd Straightening equipment provided with induction heating device
JPH11267755A (en) * 1998-03-18 1999-10-05 Nkk Corp Method of manufacturing thick steel plate and straightening device used for the same
WO2003033185A1 (en) * 2001-10-10 2003-04-24 Jfe Steel Corporation Method of manufacturing steel plate
JP2005074480A (en) 2003-09-01 2005-03-24 Sumitomo Metal Ind Ltd Hot rolled steel sheet manufacturing equipment and manufacturing method
JP4976906B2 (en) * 2007-04-09 2012-07-18 株式会社神戸製鋼所 Thick steel plate with excellent HAZ toughness, base material toughness, elongation, and strength-elongation balance
CN101633996B (en) * 2008-07-25 2011-07-20 宝山钢铁股份有限公司 700MPa-grade high strength and high toughness hardened and tempered steel plate with low cost and manufacturing method thereof
JP6343842B2 (en) * 2015-08-14 2018-06-20 Ｊｆｅスチール株式会社 Steel cooling method, steel manufacturing method, steel cooling device, and steel manufacturing equipment
JP6720894B2 (en) * 2017-03-02 2020-07-08 Ｊｆｅスチール株式会社 Steel sheet cooling method, steel sheet cooling device, and steel sheet manufacturing method
JP6819469B2 (en) * 2017-06-06 2021-01-27 日本製鉄株式会社 Manufacturing method of heat-treated steel sheet
CN115156314A (en) * 2017-12-20 2022-10-11 杰富意钢铁株式会社 Cooling device and cooling method for thick steel plate, and thick steel plate manufacturing facility and manufacturing method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61126909A (en) * 1984-11-21 1986-06-14 Sumitomo Metal Ind Ltd Working and heat treating installation in rolling line for thick plate
JP2002011515A (en) * 2001-05-23 2002-01-15 Nkk Corp Steel plate manufacturing line and steel plate manufacturing method
JP2005279703A (en) * 2004-03-29 2005-10-13 Jfe Steel Kk Steel plate manufacturing method and manufacturing equipment
EP2412455A1 (en) * 2009-03-25 2012-02-01 JFE Steel Corporation Steel plate manufacturing equipment and method of manufacturing
WO2019065360A1 (en) * 2017-09-28 2019-04-04 Ｊｆｅスチール株式会社 Steel plate manufacturing equipment and steel plate manufacturing method
EP3653312A1 (en) * 2017-09-28 2020-05-20 JFE Steel Corporation Steel plate manufacturing equipment and steel plate manufacturing method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021106723A1 *

Also Published As

Publication number Publication date
KR102685815B1 (en) 2024-07-16
KR20220080174A (en) 2022-06-14
JPWO2021106723A1 (en) 2021-06-03
CN114728320B (en) 2025-04-15
EP4066956A1 (en) 2022-10-05
JP7173377B2 (en) 2022-11-16
CN114728320A (en) 2022-07-08
WO2021106723A1 (en) 2021-06-03

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