EP4372105A4 - Quenching device, quenching method, and metal sheet manufacturing method - Google Patents
Quenching device, quenching method, and metal sheet manufacturing method Download PDFInfo
- Publication number
- EP4372105A4 EP4372105A4 EP22861064.8A EP22861064A EP4372105A4 EP 4372105 A4 EP4372105 A4 EP 4372105A4 EP 22861064 A EP22861064 A EP 22861064A EP 4372105 A4 EP4372105 A4 EP 4372105A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- quenching
- metal sheets
- producing metal
- quenching device
- producing
- 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
- 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
- C21D9/52—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
- C21D9/573—Continuous furnaces for strip or wire with cooling
-
- 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
-
- 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
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/667—Quenching devices for spray 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
- C21D11/00—Process control or regulation for heat treatments
- C21D11/005—Process control or regulation for heat treatments for cooling
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
-
- 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
- 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
- C21D9/573—Continuous furnaces for strip or wire with cooling
- C21D9/5735—Details
- C21D9/5737—Rolls; Drums; Roll arrangements
-
- 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
-
- 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
- C21D2211/008—Martensite
-
- 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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- 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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- 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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- 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
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
-
- 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
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
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 Strip Materials And Filament Materials (AREA)
- Control Of Heat Treatment Processes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021136141 | 2021-08-24 | ||
| PCT/JP2022/029364 WO2023026773A1 (ja) | 2021-08-24 | 2022-07-29 | 焼入れ装置及び焼入れ方法並びに金属板の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4372105A1 EP4372105A1 (en) | 2024-05-22 |
| EP4372105A4 true EP4372105A4 (en) | 2024-12-25 |
Family
ID=85323012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22861064.8A Pending EP4372105A4 (en) | 2021-08-24 | 2022-07-29 | Quenching device, quenching method, and metal sheet manufacturing method |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20240360530A1 (https=) |
| EP (1) | EP4372105A4 (https=) |
| JP (1) | JP7464143B2 (https=) |
| KR (1) | KR20240035542A (https=) |
| CN (1) | CN117813405A (https=) |
| MX (1) | MX2024002107A (https=) |
| WO (1) | WO2023026773A1 (https=) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS462733B1 (https=) * | 1967-02-07 | 1971-01-23 | ||
| JPS5456060A (en) * | 1977-10-12 | 1979-05-04 | Mitsubishi Heavy Ind Ltd | Sheet cooler for hot rolling mill |
| JPH04114549U (ja) * | 1991-03-18 | 1992-10-08 | 中外炉工業株式会社 | 非鉄ストリツプ用竪型連続熱処理炉 |
| JP2011184773A (ja) * | 2010-03-10 | 2011-09-22 | Kobe Steel Ltd | 連続焼鈍設備およびその設備における急冷焼入時の金属板の波状変形抑制方法 |
| EP3225705A1 (en) * | 2014-11-28 | 2017-10-04 | JFE Steel Corporation | Method for manufacturing metal plates and quenching device |
| JP2019090106A (ja) * | 2017-11-15 | 2019-06-13 | Jfeスチール株式会社 | 急冷焼入れ装置及び急冷焼入れ方法並びに金属板製品の製造方法 |
| US10737306B2 (en) * | 2015-02-27 | 2020-08-11 | Primetals Technologies Austria GmbH | Coiling device with asymmetric cooling of the coiled strip |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6094722U (ja) | 1983-12-02 | 1985-06-28 | 日立電線株式会社 | アンダ−カ−ペツトケ−ブル |
| CN202945290U (zh) * | 2012-12-10 | 2013-05-22 | 株式会社天田 | 带锯条材料连续淬火冷却装置 |
| JP5928412B2 (ja) * | 2013-06-19 | 2016-06-01 | Jfeスチール株式会社 | 鋼板の竪型冷却装置、およびそれを用いた溶融亜鉛めっき鋼板の製造方法 |
| WO2020085353A1 (ja) * | 2018-10-25 | 2020-04-30 | Jfeスチール株式会社 | 焼入れ装置及び焼入れ方法並びに鋼板の製造方法 |
-
2022
- 2022-07-29 KR KR1020247004915A patent/KR20240035542A/ko active Pending
- 2022-07-29 EP EP22861064.8A patent/EP4372105A4/en active Pending
- 2022-07-29 MX MX2024002107A patent/MX2024002107A/es unknown
- 2022-07-29 CN CN202280055945.6A patent/CN117813405A/zh active Pending
- 2022-07-29 WO PCT/JP2022/029364 patent/WO2023026773A1/ja not_active Ceased
- 2022-07-29 US US18/682,680 patent/US20240360530A1/en active Pending
- 2022-07-29 JP JP2022559513A patent/JP7464143B2/ja active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS462733B1 (https=) * | 1967-02-07 | 1971-01-23 | ||
| JPS5456060A (en) * | 1977-10-12 | 1979-05-04 | Mitsubishi Heavy Ind Ltd | Sheet cooler for hot rolling mill |
| JPH04114549U (ja) * | 1991-03-18 | 1992-10-08 | 中外炉工業株式会社 | 非鉄ストリツプ用竪型連続熱処理炉 |
| JP2011184773A (ja) * | 2010-03-10 | 2011-09-22 | Kobe Steel Ltd | 連続焼鈍設備およびその設備における急冷焼入時の金属板の波状変形抑制方法 |
| EP3225705A1 (en) * | 2014-11-28 | 2017-10-04 | JFE Steel Corporation | Method for manufacturing metal plates and quenching device |
| US10737306B2 (en) * | 2015-02-27 | 2020-08-11 | Primetals Technologies Austria GmbH | Coiling device with asymmetric cooling of the coiled strip |
| JP2019090106A (ja) * | 2017-11-15 | 2019-06-13 | Jfeスチール株式会社 | 急冷焼入れ装置及び急冷焼入れ方法並びに金属板製品の製造方法 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2023026773A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| MX2024002107A (es) | 2024-03-06 |
| JP7464143B2 (ja) | 2024-04-09 |
| CN117813405A (zh) | 2024-04-02 |
| EP4372105A1 (en) | 2024-05-22 |
| WO2023026773A1 (ja) | 2023-03-02 |
| KR20240035542A (ko) | 2024-03-15 |
| US20240360530A1 (en) | 2024-10-31 |
| JPWO2023026773A1 (https=) | 2023-03-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP4265749A4 (en) | NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME | |
| EP4265745A4 (en) | NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME | |
| EP4350016A4 (en) | STEEL SHEET, ELEMENT, AND METHODS OF MANUFACTURING THE SAME | |
| EP3941663C0 (en) | METHOD AND APPARATUS FOR PRODUCING METAL STRANDS | |
| EP4306665A4 (en) | CONTINUOUS ANNEALING EQUIPMENT, CONTINUOUS ANNEALING METHOD, COLD-ROLLED STEEL SHEET MANUFACTURING METHOD, AND PLATED STEEL SHEET MANUFACTURING METHOD | |
| EP4137600A4 (en) | NON-ORIENTED ELECTROMAGNETIC STEEL SHEET AND METHOD FOR PRODUCING SAME | |
| EP4375384A4 (en) | HIGH STRENGTH STEEL SHEET AND ITS MANUFACTURING METHOD | |
| EP4458349A4 (en) | EXOSOME, ITS PROCESS OF FORMATION AND COMPOSITION CONTAINING IT | |
| EP4382634A4 (en) | STEEL SHEET AND ITS MANUFACTURING PROCESS | |
| EP4361295A4 (en) | CONTINUOUS ANNEALING APPARATUS, CONTINUOUS HOT-DIP GALVANIZING APPARATUS AND STEEL SHEET MANUFACTURING METHOD | |
| EP4455329A4 (en) | Non-oriented electrical steel sheet and method for manufacturing same | |
| EP3929315A4 (en) | Hot-rolled steel sheet and method for manufacturing same | |
| EP4269631A4 (en) | STEEL SHEET AND METHOD FOR MANUFACTURING SAME | |
| EP3533885C0 (en) | ANNEALING SEPARATOR COMPOSITION FOR GRAIN-ORIENTED ELECTRICAL STEEL SHEET, GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAID SHEET | |
| EP4265779A4 (en) | NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME | |
| EP4265744A4 (en) | NON-GRAIN ORIENTED MAGNETIC STEEL SHEET AND PROCESS FOR PRODUCING SAME | |
| EP4560038A4 (en) | HIGH-STRENGTH STEEL SHEET, ITS PRODUCTION PROCESS, ELEMENT AND ITS PRODUCTION PROCESS | |
| EP4130326A4 (en) | STEEL SHEET, ELEMENT, AND METHODS OF MAKING THE SAME | |
| EP4506474A4 (en) | Steel sheet, member, and method for manufacturing same | |
| EP4350013A4 (en) | Non-oriented electromagnetic steel sheet and method for manufacturing same | |
| EP4474496A4 (en) | GALVANIZED STEEL SHEET, ELEMENT AND PROCESS FOR THEIR PRODUCTION | |
| EP4386098A4 (en) | HIGH-STRENGTH STEEL SHEET, HIGH-STRENGTH PLATED STEEL SHEET, PRODUCTION METHODS THEREOF, AND ELEMENT | |
| EP4455332A4 (en) | NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME | |
| EP4299781A4 (en) | STEEL SHEET AND ITS MANUFACTURING PROCESS | |
| EP4211278A4 (en) | Methods and apparatus for metal structure fabrication |
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: 20240212 |
|
| 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 |
|
| 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: 20241127 |
|
| RIC1 | Information provided on ipc code assigned before grant |
Ipc: C22C 38/60 20060101ALN20241121BHEP Ipc: C22C 38/38 20060101ALN20241121BHEP Ipc: C22C 38/32 20060101ALN20241121BHEP Ipc: C22C 38/16 20060101ALN20241121BHEP Ipc: C22C 38/14 20060101ALN20241121BHEP Ipc: C22C 38/12 20060101ALN20241121BHEP Ipc: C22C 38/04 20060101ALN20241121BHEP Ipc: C21D 11/00 20060101ALI20241121BHEP Ipc: C21D 8/02 20060101ALI20241121BHEP Ipc: C21D 9/46 20060101ALI20241121BHEP Ipc: C21D 1/60 20060101ALI20241121BHEP Ipc: B21B 45/02 20060101ALI20241121BHEP Ipc: C22C 38/00 20060101ALI20241121BHEP Ipc: C21D 1/667 20060101ALI20241121BHEP Ipc: C21D 1/63 20060101ALI20241121BHEP Ipc: C21D 1/18 20060101ALI20241121BHEP Ipc: C21D 9/573 20060101AFI20241121BHEP |