EP4640902A4 - Tôle d'acier et son procédé de fabrication - Google Patents
Tôle d'acier et son procédé de fabricationInfo
- Publication number
- EP4640902A4 EP4640902A4 EP23907582.3A EP23907582A EP4640902A4 EP 4640902 A4 EP4640902 A4 EP 4640902A4 EP 23907582 A EP23907582 A EP 23907582A EP 4640902 A4 EP4640902 A4 EP 4640902A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- manufacturing
- steel plate
- steel
- plate
- 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
Classifications
-
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/02—Winding-up or coiling
-
- 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
- C21D8/0247—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
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/02—Winding-up or coiling
- B21C47/04—Winding-up or coiling on or in reels or drums, without using a moving guide
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/009—Pearlite
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)
- Heat Treatment Of Steel (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020220178307A KR20240096056A (ko) | 2022-12-19 | 2022-12-19 | 강판 및 그 제조방법 |
| PCT/KR2023/020614 WO2024136296A1 (fr) | 2022-12-19 | 2023-12-14 | Tôle d'acier et son procédé de fabrication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4640902A1 EP4640902A1 (fr) | 2025-10-29 |
| EP4640902A4 true EP4640902A4 (fr) | 2026-04-01 |
Family
ID=91589462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23907582.3A Pending EP4640902A4 (fr) | 2022-12-19 | 2023-12-14 | Tôle d'acier et son procédé de fabrication |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP4640902A4 (fr) |
| JP (1) | JP2025534517A (fr) |
| KR (1) | KR20240096056A (fr) |
| CN (1) | CN120202320A (fr) |
| WO (1) | WO2024136296A1 (fr) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3330394A1 (fr) * | 2015-07-31 | 2018-06-06 | Nippon Steel & Sumitomo Metal Corporation | Tôle d'acier laminée à chaud à résistance élevée |
| EP3878996A1 (fr) * | 2018-11-08 | 2021-09-15 | Posco | Plaque d'acier à haute résistance pour structure possédant une bonne propriété de résistance à la corrosion par l'eau de mer et son procédé de fabrication |
| KR20220005094A (ko) * | 2019-06-14 | 2022-01-12 | 제이에프이 스틸 가부시키가이샤 | 고강도 열연 강판 및 그 제조 방법 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5825082B2 (ja) * | 2011-12-12 | 2015-12-02 | Ｊｆｅスチール株式会社 | 伸び及び伸びフランジ性に優れた高降伏比高強度冷延鋼板とその製造方法 |
| WO2017203312A1 (fr) * | 2016-05-24 | 2017-11-30 | Arcelormittal | Tôle d'acier laminée à froid et recuite, son procédé de production et utilisation d'un tel acier pour produire des pièces de véhicule |
| JP7125923B2 (ja) * | 2019-07-25 | 2022-08-25 | Ｊｆｅスチール株式会社 | 真空浸炭用高炭素熱延鋼板およびその製造方法並びに浸炭鋼部品 |
-
2022
- 2022-12-19 KR KR1020220178307A patent/KR20240096056A/ko active Pending
-
2023
- 2023-12-14 CN CN202380081858.2A patent/CN120202320A/zh active Pending
- 2023-12-14 EP EP23907582.3A patent/EP4640902A4/fr active Pending
- 2023-12-14 WO PCT/KR2023/020614 patent/WO2024136296A1/fr not_active Ceased
- 2023-12-14 JP JP2025521505A patent/JP2025534517A/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3330394A1 (fr) * | 2015-07-31 | 2018-06-06 | Nippon Steel & Sumitomo Metal Corporation | Tôle d'acier laminée à chaud à résistance élevée |
| EP3878996A1 (fr) * | 2018-11-08 | 2021-09-15 | Posco | Plaque d'acier à haute résistance pour structure possédant une bonne propriété de résistance à la corrosion par l'eau de mer et son procédé de fabrication |
| KR20220005094A (ko) * | 2019-06-14 | 2022-01-12 | 제이에프이 스틸 가부시키가이샤 | 고강도 열연 강판 및 그 제조 방법 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2024136296A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2025534517A (ja) | 2025-10-15 |
| CN120202320A (zh) | 2025-06-24 |
| EP4640902A1 (fr) | 2025-10-29 |
| KR20240096056A (ko) | 2024-06-26 |
| WO2024136296A1 (fr) | 2024-06-27 |
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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 |
|
| 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: 20250508 |
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| 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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR |
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| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R079 Free format text: PREVIOUS MAIN CLASS: C22C0038420000 Ipc: C22C0038020000 |
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| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) | ||
| A4 | Supplementary search report drawn up and despatched |
Effective date: 20260304 |
|
| RIC1 | Information provided on ipc code assigned before grant |
Ipc: C22C 38/02 20060101AFI20260226BHEP Ipc: C22C 38/04 20060101ALI20260226BHEP Ipc: C22C 38/42 20060101ALI20260226BHEP Ipc: C22C 38/48 20060101ALI20260226BHEP Ipc: C22C 38/50 20060101ALI20260226BHEP Ipc: C21D 8/0221 20260101ALI20260226BHEP Ipc: C21D 8/0247 20260101ALI20260226BHEP Ipc: C21D 9/46 20060101ALI20260226BHEP Ipc: B21C 47/04 20060101ALN20260226BHEP |