EP4151755A4 - Method for manufacturing ultra-low carbon steel product - Google Patents
Method for manufacturing ultra-low carbon steel product Download PDFInfo
- 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
Links
- 229910001209 Low-carbon steel Inorganic materials 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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)
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)
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)
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 |
-
2021
- 2021-07-05 JP JP2022535325A patent/JP7452656B2/en active Active
- 2021-07-05 CN CN202180047165.2A patent/CN115803126A/en active Pending
- 2021-07-05 EP EP21837995.6A patent/EP4151755A4/en active Pending
- 2021-07-05 US US18/013,326 patent/US20230287543A1/en active Pending
- 2021-07-05 KR KR1020237000489A patent/KR20230022213A/en unknown
- 2021-07-05 WO PCT/JP2021/025374 patent/WO2022009849A1/en active Application Filing
- 2021-07-08 TW TW110125101A patent/TWI778702B/en active
Patent Citations (3)
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)
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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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 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
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17P | Request for examination filed |
Effective date: 20221214 |
|
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 MK MT NL NO PL PT RO RS SE SI SK SM TR |
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A4 | Supplementary search report drawn up and despatched |
Effective date: 20230818 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: C21D 9/46 20060101ALI20230811BHEP Ipc: C21D 8/02 20060101ALI20230811BHEP Ipc: B22D 11/12 20060101ALI20230811BHEP Ipc: B22D 11/117 20060101ALI20230811BHEP Ipc: B22D 1/00 20060101ALI20230811BHEP Ipc: B21B 1/02 20060101ALI20230811BHEP Ipc: B22D 11/00 20060101ALI20230811BHEP Ipc: C22C 38/04 20060101ALI20230811BHEP Ipc: C22C 38/00 20060101ALI20230811BHEP Ipc: C21C 7/068 20060101AFI20230811BHEP |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
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17Q | First examination report despatched |
Effective date: 20240412 |