EP4151755A4 - Verfahren zur herstellung eines stahlprodukts mit extrem niedrigem kohlenstoffgehalt - Google Patents
Verfahren zur herstellung eines stahlprodukts mit extrem niedrigem kohlenstoffgehalt 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 (ja) | 2020-07-08 | 2021-07-05 | 極低炭素鋼製品の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4151755A1 EP4151755A1 (de) | 2023-03-22 |
EP4151755A4 true EP4151755A4 (de) | 2023-09-20 |
Family
ID=79553106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21837995.6A Pending EP4151755A4 (de) | 2020-07-08 | 2021-07-05 | Verfahren zur herstellung eines stahlprodukts mit extrem niedrigem kohlenstoffgehalt |
Country Status (7)
Country | Link |
---|---|
US (1) | US20230287543A1 (de) |
EP (1) | EP4151755A4 (de) |
JP (1) | JP7452656B2 (de) |
KR (1) | KR20230022213A (de) |
CN (1) | CN115803126A (de) |
TW (1) | TWI778702B (de) |
WO (1) | WO2022009849A1 (de) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001137905A (ja) * | 1999-11-15 | 2001-05-22 | Nippon Steel Corp | 清浄性の優れた鋼の製造方法 |
KR20150070403A (ko) * | 2012-11-07 | 2015-06-24 | 제이에프이 스틸 가부시키가이샤 | 3피스 캔용 강판 및 그 제조 방법 |
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 (ja) * | 1974-10-26 | 1976-04-28 | Nippon Steel Corp | Hyomenshorikohanyogenbanno seizoho |
JPS6082616A (ja) * | 1983-10-13 | 1985-05-10 | Kawasaki Steel Corp | 極低炭素深絞り用冷延鋼板の製造方法 |
JP2504955B2 (ja) * | 1986-06-20 | 1996-06-05 | 古河電気工業株式会社 | アルムニウム合金板の圧延方法 |
JP3422612B2 (ja) * | 1996-01-19 | 2003-06-30 | Jfeスチール株式会社 | 極低炭素冷延鋼板の製造方法 |
JPH1046241A (ja) * | 1996-07-26 | 1998-02-17 | Kawasaki Steel Corp | 極低炭素冷延鋼板の製造方法 |
CN101120104A (zh) * | 2005-02-18 | 2008-02-06 | 新日本制铁株式会社 | 表面性状、加工性和成形性优良的极低碳钢板以及极低碳铸片的制造方法 |
WO2008108363A1 (ja) * | 2007-03-05 | 2008-09-12 | Sumitomo Metal Industries, Ltd. | 冷間圧延鋼板および合金化溶融亜鉛めっき鋼板ならびにそれらの製造方法 |
JP4821933B2 (ja) | 2010-03-10 | 2011-11-24 | Jfeスチール株式会社 | 鋼板の製造方法 |
-
2021
- 2021-07-05 EP EP21837995.6A patent/EP4151755A4/de active Pending
- 2021-07-05 CN CN202180047165.2A patent/CN115803126A/zh active Pending
- 2021-07-05 KR KR1020237000489A patent/KR20230022213A/ko unknown
- 2021-07-05 WO PCT/JP2021/025374 patent/WO2022009849A1/ja active Application Filing
- 2021-07-05 US US18/013,326 patent/US20230287543A1/en active Pending
- 2021-07-05 JP JP2022535325A patent/JP7452656B2/ja active Active
- 2021-07-08 TW TW110125101A patent/TWI778702B/zh active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001137905A (ja) * | 1999-11-15 | 2001-05-22 | Nippon Steel Corp | 清浄性の優れた鋼の製造方法 |
KR20150070403A (ko) * | 2012-11-07 | 2015-06-24 | 제이에프이 스틸 가부시키가이샤 | 3피스 캔용 강판 및 그 제조 방법 |
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 |
---|---|
CN115803126A (zh) | 2023-03-14 |
TWI778702B (zh) | 2022-09-21 |
TW202210187A (zh) | 2022-03-16 |
KR20230022213A (ko) | 2023-02-14 |
WO2022009849A1 (ja) | 2022-01-13 |
JP7452656B2 (ja) | 2024-03-19 |
US20230287543A1 (en) | 2023-09-14 |
JPWO2022009849A1 (de) | 2022-01-13 |
EP4151755A1 (de) | 2023-03-22 |
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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 |
|
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 |
|
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 |
|
17Q | First examination report despatched |
Effective date: 20240412 |