CA3180469A1 - 780 mpa-class cold-rolled and annealed dual-phase steel and manufacturing method therefor - Google Patents
780 mpa-class cold-rolled and annealed dual-phase steel and manufacturing method therefor Download PDFInfo
- Publication number
- CA3180469A1 CA3180469A1 CA3180469A CA3180469A CA3180469A1 CA 3180469 A1 CA3180469 A1 CA 3180469A1 CA 3180469 A CA3180469 A CA 3180469A CA 3180469 A CA3180469 A CA 3180469A CA 3180469 A1 CA3180469 A1 CA 3180469A1
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- Canada
- Prior art keywords
- cold
- rolled
- phase steel
- annealed dual
- dual
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- Pending
Links
- 229910000885 Dual-phase steel Inorganic materials 0.000 title claims abstract description 74
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 238000000137 annealing Methods 0.000 claims abstract description 23
- 238000005452 bending Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 17
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 17
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 13
- 238000005496 tempering Methods 0.000 claims abstract description 13
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 12
- 238000005097 cold rolling Methods 0.000 claims abstract description 12
- 229910000734 martensite Inorganic materials 0.000 claims abstract description 12
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 12
- 229910052729 chemical element Inorganic materials 0.000 claims abstract description 11
- 238000005098 hot rolling Methods 0.000 claims abstract description 9
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 8
- 238000003723 Smelting Methods 0.000 claims abstract description 5
- 238000009749 continuous casting Methods 0.000 claims abstract description 5
- 239000011159 matrix material Substances 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims description 29
- 238000005096 rolling process Methods 0.000 claims description 11
- 238000002791 soaking Methods 0.000 claims description 11
- 229910052717 sulfur Inorganic materials 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 description 59
- 239000010959 steel Substances 0.000 description 59
- 239000000203 mixture Substances 0.000 description 12
- 229910045601 alloy Inorganic materials 0.000 description 10
- 239000000956 alloy Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- 238000013461 design Methods 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 8
- 230000001627 detrimental effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
- 229910001566 austenite Inorganic materials 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910000797 Ultra-high-strength steel Inorganic materials 0.000 description 2
- 239000010960 cold rolled steel Substances 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 229910000742 Microalloyed steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
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- 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/02—Winding-up or coiling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
-
- 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
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted 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
- C21D1/26—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
- 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 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
- 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
-
- 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
- C21D8/0242—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
- 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
- C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following 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
- C21D8/0247—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
- C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
-
- 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
- C22C38/002—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
- C22C38/06—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
- C21D2211/008—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 |
|---|---|---|---|
| CN202010459214.0 | 2020-05-27 | ||
| CN202010459214.0A CN113737086A (zh) | 2020-05-27 | 2020-05-27 | 一种经济型780MPa级的冷轧退火双相钢及其制造方法 |
| PCT/CN2021/095808 WO2021238917A1 (zh) | 2020-05-27 | 2021-05-25 | 一种780MPa级冷轧退火双相钢及其制造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA3180469A1 true CA3180469A1 (en) | 2021-12-02 |
Family
ID=78722983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3180469A Pending CA3180469A1 (en) | 2020-05-27 | 2021-05-25 | 780 mpa-class cold-rolled and annealed dual-phase steel and manufacturing method therefor |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20230203611A1 (zh) |
| EP (1) | EP4159885A4 (zh) |
| JP (1) | JP7524357B2 (zh) |
| CN (1) | CN113737086A (zh) |
| CA (1) | CA3180469A1 (zh) |
| WO (1) | WO2021238917A1 (zh) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114836606B (zh) * | 2022-04-01 | 2023-05-26 | 山西太钢不锈钢股份有限公司 | 经济型双相不锈钢板材、提高其强度的方法及其应用 |
| CN117660830A (zh) * | 2022-08-23 | 2024-03-08 | 宝山钢铁股份有限公司 | 一种100公斤级冷轧低合金退火双相钢及其制造方法 |
| CN117660831A (zh) * | 2022-08-23 | 2024-03-08 | 宝山钢铁股份有限公司 | 一种双相钢及其制造方法 |
| CN117660846A (zh) * | 2022-08-23 | 2024-03-08 | 宝山钢铁股份有限公司 | 一种120公斤级冷轧低合金退火双相钢及其制造方法 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3478128B2 (ja) * | 1998-06-12 | 2003-12-15 | Ｊｆｅスチール株式会社 | 延性及び伸びフランジ成形性に優れた複合組織型高張力冷延鋼板の製造方法 |
| DE60335106D1 (de) * | 2002-06-14 | 2011-01-05 | Jfe Steel Corp | Hochfeste kaltgewalzte stahlplatte und herstellungsverfahren dafür |
| JP4235030B2 (ja) | 2003-05-21 | 2009-03-04 | 新日本製鐵株式会社 | 局部成形性に優れ溶接部の硬さ上昇を抑制した引張強さが７８０ＭＰａ以上の高強度冷延鋼板および高強度表面処理鋼板 |
| JP2005213640A (ja) | 2004-02-02 | 2005-08-11 | Kobe Steel Ltd | 伸び及び伸びフランジ性に優れた高強度冷延鋼板とその製法 |
| JP4441417B2 (ja) | 2005-02-14 | 2010-03-31 | 新日本製鐵株式会社 | 成形加工性と溶接性に優れる高張力冷延鋼板及びその製造方法 |
| JP4815974B2 (ja) | 2005-09-29 | 2011-11-16 | Ｊｆｅスチール株式会社 | 剛性に優れた高強度冷延鋼板の製造方法 |
| JP4712882B2 (ja) * | 2008-07-11 | 2011-06-29 | 株式会社神戸製鋼所 | 耐水素脆化特性および加工性に優れた高強度冷延鋼板 |
| CN101363099A (zh) | 2008-09-11 | 2009-02-11 | 北京科技大学 | 一种抗拉强度1000MPa级冷轧双相钢板及制备方法 |
| JP5370620B1 (ja) * | 2011-11-15 | 2013-12-18 | Ｊｆｅスチール株式会社 | 薄鋼板およびその製造方法 |
| CN107406931B (zh) * | 2015-03-27 | 2019-04-05 | 杰富意钢铁株式会社 | 高强度钢板及其制造方法 |
| JP6586776B2 (ja) | 2015-05-26 | 2019-10-09 | 日本製鉄株式会社 | 成形性に優れた高強度鋼板及びその製造方法 |
| CN105420605A (zh) * | 2015-11-30 | 2016-03-23 | 钢铁研究总院 | 一种超低屈强比冷轧双相钢及其制造方法 |
| JP6237956B1 (ja) * | 2016-03-31 | 2017-11-29 | Ｊｆｅスチール株式会社 | 薄鋼板およびめっき鋼板、並びに、熱延鋼板の製造方法、冷延フルハード鋼板の製造方法、薄鋼板の製造方法およびめっき鋼板の製造方法 |
| CN105925905B (zh) * | 2016-05-17 | 2018-07-06 | 武汉钢铁有限公司 | Nb-Ti系780MPa级热轧双相钢及其生产方法 |
| CN109207841B (zh) * | 2017-06-30 | 2021-06-15 | 宝山钢铁股份有限公司 | 一种低成本高成型性1180MPa级冷轧退火双相钢板及其制造方法 |
| US11118252B2 (en) | 2018-03-30 | 2021-09-14 | Nippon Steel Corporation | Galvannealed steel sheet |
| CN109371317B (zh) * | 2018-09-25 | 2021-03-02 | 邯郸钢铁集团有限责任公司 | 一种1000MPa级超快冷冷轧双相钢板及其制备方法 |
| CN118308649A (zh) | 2020-01-16 | 2024-07-09 | 日本制铁株式会社 | 热冲压成形体 |
-
2020
- 2020-05-27 CN CN202010459214.0A patent/CN113737086A/zh active Pending
-
2021
- 2021-05-25 US US17/927,875 patent/US20230203611A1/en active Pending
- 2021-05-25 JP JP2022572703A patent/JP7524357B2/ja active Active
- 2021-05-25 WO PCT/CN2021/095808 patent/WO2021238917A1/zh unknown
- 2021-05-25 CA CA3180469A patent/CA3180469A1/en active Pending
- 2021-05-25 EP EP21813104.3A patent/EP4159885A4/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP4159885A1 (en) | 2023-04-05 |
| WO2021238917A1 (zh) | 2021-12-02 |
| JP2023527390A (ja) | 2023-06-28 |
| JP7524357B2 (ja) | 2024-07-29 |
| US20230203611A1 (en) | 2023-06-29 |
| EP4159885A9 (en) | 2023-06-21 |
| CN113737086A (zh) | 2021-12-03 |
| EP4159885A4 (en) | 2024-04-24 |
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