EP4151755A4 - Method for manufacturing ultra-low carbon steel product - Google Patents

Method for manufacturing ultra-low carbon steel product Download PDF

Info

Publication number
EP4151755A4
EP4151755A4 EP21837995.6A EP21837995A EP4151755A4 EP 4151755 A4 EP4151755 A4 EP 4151755A4 EP 21837995 A EP21837995 A EP 21837995A EP 4151755 A4 EP4151755 A4 EP 4151755A4
Authority
EP
European Patent Office
Prior art keywords
carbon steel
low carbon
steel product
manufacturing ultra
ultra
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
EP21837995.6A
Other languages
German (de)
French (fr)
Other versions
EP4151755A1 (en
Inventor
Keisuke Sano
Masatoshi Ishiwari
Masaru Miyake
Kenji TSUZUMI
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 EP4151755A1 publication Critical patent/EP4151755A1/en
Publication of EP4151755A4 publication Critical patent/EP4151755A4/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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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
    • B21B1/02—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 heavy work, e.g. ingots, slabs, blooms, or billets, in which the cross-sectional form is unimportant ; Rolling combined with forging or pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
    • B22D1/002—Treatment with gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10—Supplying or treating molten metal
    • B22D11/11—Treating the molten metal
    • B22D11/116—Refining the metal
    • B22D11/117—Refining the metal by treating with gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/1206—Accessories for subsequent treating or working cast stock in situ for plastic shaping of strands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/068—Decarburising
    • 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 by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
    • 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 by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties 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
    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Metal Rolling (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
EP21837995.6A 2020-07-08 2021-07-05 Method for manufacturing ultra-low carbon steel product Pending EP4151755A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020117921 2020-07-08
PCT/JP2021/025374 WO2022009849A1 (en) 2020-07-08 2021-07-05 Method for manufacturing ultra-low carbon steel product

Publications (2)

Publication Number Publication Date
EP4151755A1 EP4151755A1 (en) 2023-03-22
EP4151755A4 true EP4151755A4 (en) 2023-09-20

Family

ID=79553106

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21837995.6A Pending EP4151755A4 (en) 2020-07-08 2021-07-05 Method for manufacturing ultra-low carbon steel product

Country Status (7)

Country Link
US (1) US20230287543A1 (en)
EP (1) EP4151755A4 (en)
JP (1) JP7452656B2 (en)
KR (1) KR20230022213A (en)
CN (1) CN115803126A (en)
TW (1) TWI778702B (en)
WO (1) WO2022009849A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001137905A (en) * 1999-11-15 2001-05-22 Nippon Steel Corp Method of manufacturing steel excellent in cleanliness
KR20150070403A (en) * 2012-11-07 2015-06-24 제이에프이 스틸 가부시키가이샤 Steel sheet for three-piece can and manufacturing process therefor
US20180363089A1 (en) * 2016-02-02 2018-12-20 Nisshin Steel Co., Ltd. HOT-ROLLED Nb-CONTAINING FERRITIC STAINLESS STEEL SHEET AND METHOD FOR PRODUCING SAME, AND COLD-ROLLED Nb-CONTAINING FERRITIC STAINLESS STEEL SHEET AND METHOD FOR PRODUCING SAME

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5149116A (en) * 1974-10-26 1976-04-28 Nippon Steel Corp HYOMENSHORIKOHANYOGENBANNO SEIZOHO
JPS6082616A (en) * 1983-10-13 1985-05-10 Kawasaki Steel Corp Production of extra low carbon cold rolled steel plate for deep drawing
JP2504955B2 (en) * 1986-06-20 1996-06-05 古河電気工業株式会社 Rolling method for aluminum alloy plate
JP3422612B2 (en) * 1996-01-19 2003-06-30 Ｊｆｅスチール株式会社 Manufacturing method of ultra low carbon cold rolled steel sheet
JPH1046241A (en) * 1996-07-26 1998-02-17 Kawasaki Steel Corp Manufacture of cold rolled extra low carbon steel sheet
CN101120104A (en) * 2005-02-18 2008-02-06 新日本制铁株式会社 Method for producing extremely low carbon steel sheet and extremely low carbon cast piece having excellent surface characteristics, workability and formability
CN104775071A (en) * 2007-03-05 2015-07-15 新日铁住金株式会社 Cold-rolled steel sheet, galvannealed steel sheet and processes for production of both
JP4821933B2 (en) 2010-03-10 2011-11-24 Ｊｆｅスチール株式会社 Steel plate manufacturing method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001137905A (en) * 1999-11-15 2001-05-22 Nippon Steel Corp Method of manufacturing steel excellent in cleanliness
KR20150070403A (en) * 2012-11-07 2015-06-24 제이에프이 스틸 가부시키가이샤 Steel sheet for three-piece can and manufacturing process therefor
US20180363089A1 (en) * 2016-02-02 2018-12-20 Nisshin Steel Co., Ltd. HOT-ROLLED Nb-CONTAINING FERRITIC STAINLESS STEEL SHEET AND METHOD FOR PRODUCING SAME, AND COLD-ROLLED Nb-CONTAINING FERRITIC STAINLESS STEEL SHEET AND METHOD FOR PRODUCING SAME

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022009849A1 *

Also Published As

Publication number Publication date
WO2022009849A1 (en) 2022-01-13
JPWO2022009849A1 (en) 2022-01-13
KR20230022213A (en) 2023-02-14
JP7452656B2 (en) 2024-03-19
EP4151755A1 (en) 2023-03-22
TWI778702B (en) 2022-09-21
TW202210187A (en) 2022-03-16
US20230287543A1 (en) 2023-09-14
CN115803126A (en) 2023-03-14

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