EP4257709A4 - Metal sheet quench-hardening apparatus and quench-hardening method, and steel sheet production method - Google Patents
Metal sheet quench-hardening apparatus and quench-hardening method, and steel sheet production methodInfo
- Publication number
- EP4257709A4 EP4257709A4 EP21923050.5A EP21923050A EP4257709A4 EP 4257709 A4 EP4257709 A4 EP 4257709A4 EP 21923050 A EP21923050 A EP 21923050A EP 4257709 A4 EP4257709 A4 EP 4257709A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- quench
- hardening
- steel sheet
- production method
- metal sheet
- 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
- 229910000831 Steel Inorganic materials 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000002184 metal Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000010959 steel Substances 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
- 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
- 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
-
- 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
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0233—Spray nozzles, Nozzle headers; Spray systems
-
- 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
- C21D1/26—Methods of annealing
-
- 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
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/613—Gases; Liquefied or solidified normally gaseous material
-
- 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
- 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
- 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
-
- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
- 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
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
-
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021012721 | 2021-01-29 | ||
| PCT/JP2021/039666 WO2022163044A1 (en) | 2021-01-29 | 2021-10-27 | Metal sheet quench-hardening apparatus and quench-hardening method, and steel sheet production method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4257709A1 EP4257709A1 (en) | 2023-10-11 |
| EP4257709A4 true EP4257709A4 (en) | 2024-04-10 |
Family
ID=82654409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21923050.5A Pending EP4257709A4 (en) | 2021-01-29 | 2021-10-27 | Metal sheet quench-hardening apparatus and quench-hardening method, and steel sheet production method |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP4257709A4 (en) |
| JP (1) | JP7338783B2 (en) |
| KR (1) | KR20230122656A (en) |
| CN (1) | CN116745446A (en) |
| MX (1) | MX2023008750A (en) |
| WO (1) | WO2022163044A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5695573U (en) * | 1979-12-20 | 1981-07-29 | ||
| JP5097394B2 (en) * | 2006-12-19 | 2012-12-12 | 住友金属工業株式会社 | Cold rolled steel sheet manufacturing method and manufacturing apparatus |
| US20160304984A1 (en) * | 2013-12-05 | 2016-10-20 | Fives Stein | Method and apparatus for continuous thermal treatment of a steel strip |
| JP2019090106A (en) * | 2017-11-15 | 2019-06-13 | Ｊｆｅスチール株式会社 | Rapid cooling hardening apparatus and rapid cooling hardening method, and manufacturing method for metal plate product |
| EP3705587A1 (en) * | 2017-10-31 | 2020-09-09 | JFE Steel Corporation | Facility and method for producing thick steel sheet |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2571384A1 (en) * | 1984-10-09 | 1986-04-11 | Bertin & Cie | PROCESS OF HARDENING HARDWARE OF METAL SHEETS SUCH AS STEEL AND INSTALLATION FOR IMPLEMENTING SAME |
| JP4109365B2 (en) | 1998-12-08 | 2008-07-02 | 新日本製鐵株式会社 | Metal strip cooling method |
| JP5100327B2 (en) | 2007-11-20 | 2012-12-19 | 住友金属工業株式会社 | Cold rolled steel sheet manufacturing method |
| WO2016084283A1 (en) | 2014-11-28 | 2016-06-02 | Ｊｆｅスチール株式会社 | Method for manufacturing metal plates and quenching device |
-
2021
- 2021-10-27 EP EP21923050.5A patent/EP4257709A4/en active Pending
- 2021-10-27 KR KR1020237025013A patent/KR20230122656A/en unknown
- 2021-10-27 WO PCT/JP2021/039666 patent/WO2022163044A1/en active Application Filing
- 2021-10-27 CN CN202180091643.XA patent/CN116745446A/en active Pending
- 2021-10-27 JP JP2022506877A patent/JP7338783B2/en active Active
- 2021-10-27 MX MX2023008750A patent/MX2023008750A/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5695573U (en) * | 1979-12-20 | 1981-07-29 | ||
| JP5097394B2 (en) * | 2006-12-19 | 2012-12-12 | 住友金属工業株式会社 | Cold rolled steel sheet manufacturing method and manufacturing apparatus |
| US20160304984A1 (en) * | 2013-12-05 | 2016-10-20 | Fives Stein | Method and apparatus for continuous thermal treatment of a steel strip |
| EP3705587A1 (en) * | 2017-10-31 | 2020-09-09 | JFE Steel Corporation | Facility and method for producing thick steel sheet |
| JP2019090106A (en) * | 2017-11-15 | 2019-06-13 | Ｊｆｅスチール株式会社 | Rapid cooling hardening apparatus and rapid cooling hardening method, and manufacturing method for metal plate product |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2022163044A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| MX2023008750A (en) | 2023-08-01 |
| JP7338783B2 (en) | 2023-09-05 |
| JPWO2022163044A1 (en) | 2022-08-04 |
| CN116745446A (en) | 2023-09-12 |
| KR20230122656A (en) | 2023-08-22 |
| EP4257709A1 (en) | 2023-10-11 |
| WO2022163044A1 (en) | 2022-08-04 |
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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 |
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| 17P | Request for examination filed |
Effective date: 20230701 |
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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 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: C21D0009520000 Ipc: C21D0001667000 |
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| A4 | Supplementary search report drawn up and despatched |
Effective date: 20240311 |
|
| RIC1 | Information provided on ipc code assigned before grant |
Ipc: C21D 9/00 20060101ALN20240304BHEP Ipc: C21D 8/02 20060101ALN20240304BHEP Ipc: C22C 38/60 20060101ALI20240304BHEP Ipc: C22C 38/06 20060101ALI20240304BHEP Ipc: C22C 38/00 20060101ALI20240304BHEP Ipc: C21D 9/46 20060101ALI20240304BHEP Ipc: C21D 1/60 20060101ALI20240304BHEP Ipc: C21D 1/613 20060101ALI20240304BHEP Ipc: B21B 45/02 20060101ALI20240304BHEP Ipc: C21D 1/26 20060101ALI20240304BHEP Ipc: C21D 9/573 20060101ALI20240304BHEP Ipc: C21D 9/52 20060101ALI20240304BHEP Ipc: C21D 1/18 20060101ALI20240304BHEP Ipc: C21D 1/667 20060101AFI20240304BHEP |
|
| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) |