CA3234025A1 - Steel sheet and method of producing same - Google Patents
Steel sheet and method of producing same Download PDFInfo
- Publication number
- CA3234025A1 CA3234025A1 CA3234025A CA3234025A CA3234025A1 CA 3234025 A1 CA3234025 A1 CA 3234025A1 CA 3234025 A CA3234025 A CA 3234025A CA 3234025 A CA3234025 A CA 3234025A CA 3234025 A1 CA3234025 A1 CA 3234025A1
- Authority
- CA
- Canada
- Prior art keywords
- less
- steel sheet
- content
- mpa
- temperature
- 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 claims abstract description 163
- 239000010959 steel Substances 0.000 title claims abstract description 163
- 238000000034 method Methods 0.000 title claims description 23
- 229910001566 austenite Inorganic materials 0.000 claims abstract description 68
- 230000000717 retained effect Effects 0.000 claims abstract description 64
- 229910000734 martensite Inorganic materials 0.000 claims abstract description 56
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 44
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 29
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000126 substance Substances 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 18
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 6
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 6
- 229910052802 copper Inorganic materials 0.000 claims abstract description 5
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 5
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 5
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 4
- 229910052787 antimony Inorganic materials 0.000 claims abstract description 4
- 229910052785 arsenic Inorganic materials 0.000 claims abstract description 4
- 229910052796 boron Inorganic materials 0.000 claims abstract description 4
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 4
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 4
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 4
- 229910052718 tin Inorganic materials 0.000 claims abstract description 4
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 4
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 4
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 4
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims description 55
- 238000010438 heat treatment Methods 0.000 claims description 39
- 238000005496 tempering Methods 0.000 claims description 16
- 238000005096 rolling process Methods 0.000 claims description 13
- 230000003111 delayed effect Effects 0.000 description 43
- 230000000052 comparative effect Effects 0.000 description 42
- 230000007423 decrease Effects 0.000 description 20
- 238000012360 testing method Methods 0.000 description 20
- 238000005266 casting Methods 0.000 description 18
- 230000000694 effects Effects 0.000 description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- 238000004519 manufacturing process Methods 0.000 description 14
- 238000005336 cracking Methods 0.000 description 12
- 239000002244 precipitate Substances 0.000 description 11
- 238000000137 annealing Methods 0.000 description 10
- 229910052761 rare earth metal Inorganic materials 0.000 description 9
- 150000002910 rare earth metals Chemical class 0.000 description 9
- 239000010960 cold rolled steel Substances 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 6
- 238000005554 pickling Methods 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 5
- 150000001247 metal acetylides Chemical class 0.000 description 5
- 230000009466 transformation Effects 0.000 description 5
- 229910000975 Carbon steel Inorganic materials 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 229910001563 bainite Inorganic materials 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000010962 carbon steel Substances 0.000 description 4
- 238000005097 cold rolling Methods 0.000 description 4
- 238000009749 continuous casting Methods 0.000 description 4
- 230000002596 correlated effect Effects 0.000 description 3
- 238000010422 painting Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 238000002791 soaking Methods 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 238000009864 tensile test Methods 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 150000003568 thioethers Chemical class 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- BTMKEDDEMKKSEF-QGZVFWFLSA-N N-[5-[[4-[5-chloro-4-fluoro-2-(2-hydroxypropan-2-yl)anilino]pyrimidin-2-yl]amino]-2-[(3R)-3-(dimethylamino)pyrrolidin-1-yl]-4-methoxyphenyl]prop-2-enamide Chemical compound C(C=C)(=O)NC1=C(C=C(C(=C1)NC1=NC=CC(=N1)NC1=C(C=C(C(=C1)Cl)F)C(C)(C)O)OC)N1C[C@@H](CC1)N(C)C BTMKEDDEMKKSEF-QGZVFWFLSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- XGVXKJKTISMIOW-ZDUSSCGKSA-N simurosertib Chemical compound N1N=CC(C=2SC=3C(=O)NC(=NC=3C=2)[C@H]2N3CCC(CC3)C2)=C1C XGVXKJKTISMIOW-ZDUSSCGKSA-N 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
- 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
- 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
- C21D8/0273—Final recrystallisation 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
- 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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
-
- 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
- C21D2211/001—Austenite
-
- 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
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 Sheet Steel (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202163236426P | 2021-08-24 | 2021-08-24 | |
| US63/236,426 | 2021-08-24 | ||
| PCT/US2022/025570 WO2023027778A1 (en) | 2021-08-24 | 2022-04-20 | Steel sheet and method of producing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA3234025A1 true CA3234025A1 (en) | 2023-03-02 |
Family
ID=81603755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3234025A Pending CA3234025A1 (en) | 2021-08-24 | 2022-04-20 | Steel sheet and method of producing same |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP4392585A1 (ko) |
| KR (1) | KR20240052794A (ko) |
| CN (1) | CN117940588A (ko) |
| CA (1) | CA3234025A1 (ko) |
| WO (1) | WO2023027778A1 (ko) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102114741B1 (ko) | 2016-02-18 | 2020-05-25 | 제이에프이 스틸 가부시키가이샤 | 고강도 냉연 강판 |
| WO2018189950A1 (ja) | 2017-04-14 | 2018-10-18 | Ｊｆｅスチール株式会社 | 鋼板およびその製造方法 |
| US20220251676A1 (en) * | 2019-07-30 | 2022-08-11 | Jfe Steel Corporation | High-strength steel sheet and method for manufacturing same |
-
2022
- 2022-04-20 CA CA3234025A patent/CA3234025A1/en active Pending
- 2022-04-20 EP EP22722932.5A patent/EP4392585A1/en active Pending
- 2022-04-20 WO PCT/US2022/025570 patent/WO2023027778A1/en active Application Filing
- 2022-04-20 KR KR1020247009592A patent/KR20240052794A/ko unknown
- 2022-04-20 CN CN202280057830.0A patent/CN117940588A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023027778A1 (en) | 2023-03-02 |
| EP4392585A1 (en) | 2024-07-03 |
| KR20240052794A (ko) | 2024-04-23 |
| CN117940588A (zh) | 2024-04-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20240214 |
|
| EEER | Examination request |
Effective date: 20240214 |
|
| EEER | Examination request |
Effective date: 20240214 |