JP2023554299A - 延性に優れた高強度鋼板及びその製造方法 - Google Patents
延性に優れた高強度鋼板及びその製造方法 Download PDFInfo
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- JP2023554299A JP2023554299A JP2023535058A JP2023535058A JP2023554299A JP 2023554299 A JP2023554299 A JP 2023554299A JP 2023535058 A JP2023535058 A JP 2023535058A JP 2023535058 A JP2023535058 A JP 2023535058A JP 2023554299 A JP2023554299 A JP 2023554299A
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- steel plate
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 71
- 239000010959 steel Substances 0.000 title claims abstract description 71
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 229910001562 pearlite Inorganic materials 0.000 claims abstract description 22
- 239000013078 crystal Substances 0.000 claims abstract description 13
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 12
- 229910001568 polygonal ferrite Inorganic materials 0.000 claims abstract description 12
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 12
- 239000012535 impurity Substances 0.000 claims abstract description 11
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 11
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 10
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 10
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 8
- 229910001563 bainite Inorganic materials 0.000 claims abstract description 7
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 7
- 229910000734 martensite Inorganic materials 0.000 claims abstract description 6
- 239000002131 composite material Substances 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims description 22
- 238000005096 rolling process Methods 0.000 claims description 19
- 238000003303 reheating Methods 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 230000001186 cumulative effect Effects 0.000 claims description 7
- 238000005098 hot rolling Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 12
- 229910052782 aluminium Inorganic materials 0.000 abstract description 7
- 229910052742 iron Inorganic materials 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 abstract 1
- 239000011572 manganese Substances 0.000 description 23
- 229910000859 α-Fe Inorganic materials 0.000 description 22
- 239000010936 titanium Substances 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 19
- 239000010955 niobium Substances 0.000 description 18
- 229910045601 alloy Inorganic materials 0.000 description 13
- 239000000956 alloy Substances 0.000 description 13
- 230000007423 decrease Effects 0.000 description 12
- 239000000203 mixture Substances 0.000 description 12
- 229910001566 austenite Inorganic materials 0.000 description 11
- 239000006104 solid solution Substances 0.000 description 9
- 238000005728 strengthening Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000009864 tensile test Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000009628 steelmaking Methods 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
-
- 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
- C21D8/0221—Modifying the physical properties 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 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
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0236—Cold 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 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
-
- 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
- C22C38/12—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
- 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)
- Materials Engineering (AREA)
- Mechanical 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 (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020200173354A KR102484998B1 (ko) | 2020-12-11 | 2020-12-11 | 연성이 우수한 고강도 강판 및 그 제조방법 |
| KR10-2020-0173354 | 2020-12-11 | ||
| PCT/KR2021/016315 WO2022124599A1 (ko) | 2020-12-11 | 2021-11-10 | 연성이 우수한 고강도 강판 및 그 제조방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2023554299A true JP2023554299A (ja) | 2023-12-27 |
Family
ID=81974647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023535058A Pending JP2023554299A (ja) | 2020-12-11 | 2021-11-10 | 延性に優れた高強度鋼板及びその製造方法 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2023554299A (ko) |
| KR (1) | KR102484998B1 (ko) |
| CN (1) | CN116490629A (ko) |
| WO (1) | WO2022124599A1 (ko) |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS607968B2 (ja) | 1979-12-21 | 1985-02-28 | 株式会社津村順天堂 | 利胆剤 |
| JP3849244B2 (ja) * | 1997-09-16 | 2006-11-22 | Ｊｆｅスチール株式会社 | 繰返し大変形下での延性き裂進展抵抗の優れた鋼材及びその製造方法 |
| KR100431851B1 (ko) * | 1999-12-28 | 2004-05-20 | 주식회사 포스코 | 고강도 구조용 강 및 그 제조방법 |
| JP4476923B2 (ja) | 2005-12-15 | 2010-06-09 | 株式会社神戸製鋼所 | 衝突吸収性と母材靭性に優れた鋼板 |
| KR100957962B1 (ko) * | 2007-12-26 | 2010-05-17 | 주식회사 포스코 | 용접열영향부의 저온인성과 인장강도가 우수한 고강도구조용 강재 및 그 제조방법 |
| JP5532832B2 (ja) | 2009-11-10 | 2014-06-25 | Ｊｆｅスチール株式会社 | 熱間圧延ｔ形鋼およびその製造方法 |
| KR20110130974A (ko) * | 2010-05-28 | 2011-12-06 | 현대제철 주식회사 | 변형시효 충격 특성이 우수한 인장강도 400㎫급 후판 제조방법 |
| JP5953952B2 (ja) | 2011-11-30 | 2016-07-20 | Ｊｆｅスチール株式会社 | 耐衝突性に優れた鋼材およびその製造方法 |
| JP5994819B2 (ja) | 2014-05-30 | 2016-09-21 | 新日鐵住金株式会社 | 耐衝撃性に優れた鋼板及びその製造方法 |
| CN104805358B (zh) * | 2015-05-13 | 2016-09-28 | 东北大学 | 一种抗拉强度550MPa级汽车大梁钢及其制备方法 |
| KR101830581B1 (ko) * | 2017-06-12 | 2018-02-21 | 주식회사 포스코 | 강도 및 연성이 우수한 구조용 강재 및 그 제조방법 |
| KR102164112B1 (ko) * | 2018-11-29 | 2020-10-12 | 주식회사 포스코 | 연성 및 저온 인성이 우수한 고강도 강재 및 이의 제조방법 |
-
2020
- 2020-12-11 KR KR1020200173354A patent/KR102484998B1/ko active IP Right Grant
-
2021
- 2021-11-10 JP JP2023535058A patent/JP2023554299A/ja active Pending
- 2021-11-10 CN CN202180076882.8A patent/CN116490629A/zh active Pending
- 2021-11-10 WO PCT/KR2021/016315 patent/WO2022124599A1/ko active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN116490629A (zh) | 2023-07-25 |
| KR20220083907A (ko) | 2022-06-21 |
| WO2022124599A1 (ko) | 2022-06-16 |
| KR102484998B1 (ko) | 2023-01-05 |
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