EP4159886A4 - Ultrahigh-strength dual-phase steel and manufacturing method therefor - Google Patents
Ultrahigh-strength dual-phase steel and manufacturing method therefor Download PDFInfo
- Publication number
- EP4159886A4 EP4159886A4 EP21813825.3A EP21813825A EP4159886A4 EP 4159886 A4 EP4159886 A4 EP 4159886A4 EP 21813825 A EP21813825 A EP 21813825A EP 4159886 A4 EP4159886 A4 EP 4159886A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- ultrahigh
- manufacturing
- method therefor
- phase steel
- strength dual
- 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
- 229910000885 Dual-phase steel Inorganic materials 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
Classifications
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- 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
- 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
- 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
- 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
- C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
-
- 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
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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
- 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
- C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment 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
- C21D8/021—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab
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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
- 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
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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
- 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
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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
- 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
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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
- 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
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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
- 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
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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
- 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
- C21D8/0278—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
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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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
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- 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
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- 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
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- 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
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- 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
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/22—Electroplating: Baths therefor from solutions of zinc
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
- C25D5/36—Pretreatment of metallic surfaces to be electroplated of iron or steel
-
- 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
- C21D2211/004—Dispersions; Precipitations
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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
- 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)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010459510.0A CN113737087B (en) | 2020-05-27 | 2020-05-27 | Ultrahigh-strength dual-phase steel and manufacturing method thereof |
PCT/CN2021/095807 WO2021238916A1 (en) | 2020-05-27 | 2021-05-25 | Ultrahigh-strength dual-phase steel and manufacturing method therefor |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4159886A1 EP4159886A1 (en) | 2023-04-05 |
EP4159886A4 true EP4159886A4 (en) | 2024-04-17 |
Family
ID=78722981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21813825.3A Pending EP4159886A4 (en) | 2020-05-27 | 2021-05-25 | Ultrahigh-strength dual-phase steel and manufacturing method therefor |
Country Status (6)
Country | Link |
---|---|
US (1) | US20230227930A1 (en) |
EP (1) | EP4159886A4 (en) |
JP (1) | JP7528267B2 (en) |
CN (1) | CN113737087B (en) |
CA (1) | CA3180467A1 (en) |
WO (1) | WO2021238916A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115216708B (en) * | 2022-06-17 | 2023-08-22 | 攀钢集团攀枝花钢铁研究院有限公司 | Low-cost high-yield-ratio 1200MPa grade cold-rolled dual-phase steel and preparation method thereof |
CN117305683A (en) * | 2022-06-22 | 2023-12-29 | 宝山钢铁股份有限公司 | Cold-rolled steel plate with grade of 1300MPa or more and manufacturing method thereof |
CN117660830A (en) * | 2022-08-23 | 2024-03-08 | 宝山钢铁股份有限公司 | 100 kg-level cold-rolled low-alloy annealed dual-phase steel and manufacturing method thereof |
CN117660846A (en) * | 2022-08-23 | 2024-03-08 | 宝山钢铁股份有限公司 | 120 kg-level cold-rolled low-alloy annealed dual-phase steel and manufacturing method thereof |
CN117660831A (en) * | 2022-08-23 | 2024-03-08 | 宝山钢铁股份有限公司 | Dual-phase steel and manufacturing method thereof |
CN117089761B (en) * | 2023-05-30 | 2024-06-04 | 宝山钢铁股份有限公司 | Variable-strength dual-phase steel plate with normalized components and flexible manufacturing method thereof |
Citations (7)
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CN1940108A (en) * | 2005-09-29 | 2007-04-04 | 宝山钢铁股份有限公司 | Superhigh-strength cold rolling band steel with anti-tensile strength above 880Mpa and its production |
EP2589674A1 (en) * | 2010-06-30 | 2013-05-08 | JFE Steel Corporation | Ultrahigh-strength cold-rolled steel sheet with excellent ductility and delayed-fracture resistance, and process for producing same |
JP2015113475A (en) * | 2013-12-09 | 2015-06-22 | Jfeスチール株式会社 | High strength cold-rolled steel sheet and method for manufacturing the same |
CN109280857A (en) * | 2018-09-25 | 2019-01-29 | 邯郸钢铁集团有限责任公司 | A kind of 1200MPa grades of ultrafast cold cold-rolled biphase steel plate and preparation method thereof |
WO2020045220A1 (en) * | 2018-08-31 | 2020-03-05 | Jfeスチール株式会社 | High-strength steel plate and method for producing same |
US20200115769A1 (en) * | 2017-06-30 | 2020-04-16 | Baoshan Iron & Steel Co., Ltd. | Low-cost and high-formability 1180 mpa grade cold-rolled annealed dual-phase steel plate and manufacturing method thereof |
EP3653745A1 (en) * | 2017-10-20 | 2020-05-20 | JFE Steel Corporation | High-strength steel sheet and manufacturing method thereof |
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JPH11270531A (en) * | 1998-03-19 | 1999-10-05 | Nippon Steel Corp | High strength bolt having good delayed fracture characteristic and manufacture thereof |
CN100392135C (en) * | 2005-06-30 | 2008-06-04 | 宝山钢铁股份有限公司 | Ultra-high strength strip steel and its production process |
BRPI0617763A2 (en) * | 2005-10-24 | 2011-08-02 | Exxonmobil Upstream Res Co | high strength double phase steel with low deformation ratio, high hardness and superior casting capacity |
JP2010229514A (en) | 2009-03-27 | 2010-10-14 | Sumitomo Metal Ind Ltd | Cold rolled steel sheet and method for producing the same |
BR112014017020B1 (en) * | 2012-01-13 | 2020-04-14 | Nippon Steel & Sumitomo Metal Corp | cold rolled steel sheet and method for producing cold rolled steel sheet |
JP5870861B2 (en) | 2012-06-26 | 2016-03-01 | Jfeスチール株式会社 | High-strength hot-dip galvanized steel sheet with excellent fatigue characteristics and ductility and small in-plane anisotropy of ductility and method for producing the same |
JP5929556B2 (en) | 2012-06-28 | 2016-06-08 | Jfeスチール株式会社 | Method for producing continuous cast slab and method for producing high-strength cold-rolled steel sheet |
KR101813974B1 (en) | 2013-12-18 | 2018-01-02 | 제이에프이 스틸 가부시키가이샤 | High-strength galvanized steel sheet and method for manufacturing the same |
WO2016121388A1 (en) * | 2015-01-28 | 2016-08-04 | Jfeスチール株式会社 | High-strength cold-rolled steel sheet, high-strength plated steel sheet, and method for manufacture thereof |
KR101736619B1 (en) | 2015-12-15 | 2017-05-17 | 주식회사 포스코 | Ultra-high strength steel sheet having excellent phosphatability and bendability, and method for manufacturing the same |
EP3489382B1 (en) | 2016-09-28 | 2020-05-13 | JFE Steel Corporation | Steel sheet and method for producing same |
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CN108486494B (en) | 2018-06-05 | 2019-06-21 | 西北工业大学 | The production method of vanadium micro-alloying 1300MPa grade high-strength hot rolled steel plate and cold-rolled biphase steel plate |
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2020
- 2020-05-27 CN CN202010459510.0A patent/CN113737087B/en active Active
-
2021
- 2021-05-25 US US17/927,781 patent/US20230227930A1/en active Pending
- 2021-05-25 EP EP21813825.3A patent/EP4159886A4/en active Pending
- 2021-05-25 WO PCT/CN2021/095807 patent/WO2021238916A1/en unknown
- 2021-05-25 JP JP2022572701A patent/JP7528267B2/en active Active
- 2021-05-25 CA CA3180467A patent/CA3180467A1/en active Pending
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CN1940108A (en) * | 2005-09-29 | 2007-04-04 | 宝山钢铁股份有限公司 | Superhigh-strength cold rolling band steel with anti-tensile strength above 880Mpa and its production |
EP2589674A1 (en) * | 2010-06-30 | 2013-05-08 | JFE Steel Corporation | Ultrahigh-strength cold-rolled steel sheet with excellent ductility and delayed-fracture resistance, and process for producing same |
JP2015113475A (en) * | 2013-12-09 | 2015-06-22 | Jfeスチール株式会社 | High strength cold-rolled steel sheet and method for manufacturing the same |
US20200115769A1 (en) * | 2017-06-30 | 2020-04-16 | Baoshan Iron & Steel Co., Ltd. | Low-cost and high-formability 1180 mpa grade cold-rolled annealed dual-phase steel plate and manufacturing method thereof |
EP3653745A1 (en) * | 2017-10-20 | 2020-05-20 | JFE Steel Corporation | High-strength steel sheet and manufacturing method thereof |
WO2020045220A1 (en) * | 2018-08-31 | 2020-03-05 | Jfeスチール株式会社 | High-strength steel plate and method for producing same |
CN109280857A (en) * | 2018-09-25 | 2019-01-29 | 邯郸钢铁集团有限责任公司 | A kind of 1200MPa grades of ultrafast cold cold-rolled biphase steel plate and preparation method thereof |
Non-Patent Citations (1)
Title |
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See also references of WO2021238916A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2023527389A (en) | 2023-06-28 |
JP7528267B2 (en) | 2024-08-05 |
EP4159886A1 (en) | 2023-04-05 |
CA3180467A1 (en) | 2021-12-02 |
CN113737087B (en) | 2022-07-19 |
WO2021238916A1 (en) | 2021-12-02 |
CN113737087A (en) | 2021-12-03 |
US20230227930A1 (en) | 2023-07-20 |
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