JP7541639B1 - 熱延鋼板およびその製造方法 - Google Patents
熱延鋼板およびその製造方法 Download PDFInfo
- Publication number
- JP7541639B1 JP7541639B1 JP2024504864A JP2024504864A JP7541639B1 JP 7541639 B1 JP7541639 B1 JP 7541639B1 JP 2024504864 A JP2024504864 A JP 2024504864A JP 2024504864 A JP2024504864 A JP 2024504864A JP 7541639 B1 JP7541639 B1 JP 7541639B1
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- JP
- Japan
- Prior art keywords
- hot
- less
- steel sheet
- rolled steel
- rolling
- 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.)
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Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 148
- 239000010959 steel Substances 0.000 claims abstract description 148
- 238000005096 rolling process Methods 0.000 claims abstract description 75
- 238000000034 method Methods 0.000 claims abstract description 55
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 44
- 238000001816 cooling Methods 0.000 claims abstract description 39
- 150000001247 metal acetylides Chemical class 0.000 claims abstract description 35
- 239000002245 particle Substances 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 33
- 230000008569 process Effects 0.000 claims abstract description 29
- 239000006185 dispersion Substances 0.000 claims abstract description 27
- 230000009467 reduction Effects 0.000 claims abstract description 25
- 238000005728 strengthening Methods 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 22
- 238000007747 plating Methods 0.000 claims description 21
- 238000005266 casting Methods 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 238000000137 annealing Methods 0.000 claims description 10
- 238000005275 alloying Methods 0.000 claims description 7
- 229910052749 magnesium Inorganic materials 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 229910052718 tin Inorganic materials 0.000 claims description 6
- 238000005304 joining Methods 0.000 claims description 5
- 229910052785 arsenic Inorganic materials 0.000 claims description 4
- 229910052792 caesium Inorganic materials 0.000 claims description 4
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 4
- 229910052711 selenium Inorganic materials 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 abstract description 12
- 229910052710 silicon Inorganic materials 0.000 abstract description 11
- 229910052748 manganese Inorganic materials 0.000 abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 8
- 229910052799 carbon Inorganic materials 0.000 abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 abstract description 6
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 4
- 229910052717 sulfur Inorganic materials 0.000 abstract description 4
- 229910001566 austenite Inorganic materials 0.000 description 27
- 238000005098 hot rolling Methods 0.000 description 24
- 238000012360 testing method Methods 0.000 description 13
- 238000005452 bending Methods 0.000 description 11
- 238000009749 continuous casting Methods 0.000 description 11
- 230000009466 transformation Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 238000005246 galvanizing Methods 0.000 description 7
- 229910001563 bainite Inorganic materials 0.000 description 6
- 229910000734 martensite Inorganic materials 0.000 description 6
- 229910052735 hafnium Inorganic materials 0.000 description 5
- 229910052750 molybdenum Inorganic materials 0.000 description 5
- 229910052758 niobium Inorganic materials 0.000 description 5
- 230000000717 retained effect Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 229910052721 tungsten Inorganic materials 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 229910052726 zirconium Inorganic materials 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 230000005012 migration Effects 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000005482 strain hardening Methods 0.000 description 3
- 238000009864 tensile test Methods 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 229910001208 Crucible steel Inorganic materials 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 238000009849 vacuum degassing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
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
-
- 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
-
- 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)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022183511 | 2022-11-16 | ||
| JP2022183511 | 2022-11-16 | ||
| PCT/JP2023/033821 WO2024106000A1 (fr) | 2022-11-16 | 2023-09-19 | Tôle d'acier laminée à chaud et son procédé de production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2024106000A1 JPWO2024106000A1 (fr) | 2024-05-23 |
| JP7541639B1 true JP7541639B1 (ja) | 2024-08-29 |
Family
ID=91084322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2024504864A Active JP7541639B1 (ja) | 2022-11-16 | 2023-09-19 | 熱延鋼板およびその製造方法 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP7541639B1 (fr) |
| WO (1) | WO2024106000A1 (fr) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013053330A (ja) | 2011-09-02 | 2013-03-21 | Jfe Steel Corp | 溶接部耐食性に優れた高強度熱延鋼板およびその製造方法 |
| JP2016183413A (ja) | 2015-03-26 | 2016-10-20 | Ｊｆｅスチール株式会社 | 連続鋳造スラブ及びその製造方法並びに加工性に優れた高張力鋼板の製造方法 |
-
2023
- 2023-09-19 WO PCT/JP2023/033821 patent/WO2024106000A1/fr unknown
- 2023-09-19 JP JP2024504864A patent/JP7541639B1/ja active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013053330A (ja) | 2011-09-02 | 2013-03-21 | Jfe Steel Corp | 溶接部耐食性に優れた高強度熱延鋼板およびその製造方法 |
| JP2016183413A (ja) | 2015-03-26 | 2016-10-20 | Ｊｆｅスチール株式会社 | 連続鋳造スラブ及びその製造方法並びに加工性に優れた高張力鋼板の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2024106000A1 (fr) | 2024-05-23 |
| WO2024106000A1 (fr) | 2024-05-23 |
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