EP4159885A4 - COLD-ROLLED AND ANNEALED TWO-PHASE STEEL OF 780 MPA QUALITY AND MANUFACTURING METHOD THEREFOR - Google Patents
COLD-ROLLED AND ANNEALED TWO-PHASE STEEL OF 780 MPA QUALITY AND MANUFACTURING METHOD THEREFORInfo
- Publication number
- EP4159885A4 EP4159885A4 EP21813104.3A EP21813104A EP4159885A4 EP 4159885 A4 EP4159885 A4 EP 4159885A4 EP 21813104 A EP21813104 A EP 21813104A EP 4159885 A4 EP4159885 A4 EP 4159885A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- mpa
- rolled
- manufacturing
- method therefor
- phase steel
- 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
-
- 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
- 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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- 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
- C22C38/04—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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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 (3)
Publication Number | Publication Date |
---|---|
EP4159885A1 EP4159885A1 (en) | 2023-04-05 |
EP4159885A9 EP4159885A9 (en) | 2023-06-21 |
EP4159885A4 true EP4159885A4 (en) | 2024-04-24 |
Family
ID=78722983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21813104.3A Pending EP4159885A4 (en) | 2020-05-27 | 2021-05-25 | COLD-ROLLED AND ANNEALED TWO-PHASE STEEL OF 780 MPA QUALITY AND MANUFACTURING METHOD THEREFOR |
Country Status (6)
Country | Link |
---|---|
US (1) | US20230203611A1 (zh) |
EP (1) | EP4159885A4 (zh) |
JP (1) | JP2023527390A (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 |
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 |
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 |
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 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040238082A1 (en) * | 2002-06-14 | 2004-12-02 | Jfe Steel Corporation | High strength cold rolled steel plate and method for production thereof |
US20120009434A1 (en) * | 2008-07-11 | 2012-01-12 | Kabushiki Kaisha Kobe Seiko Sho | Cold-rolled steel sheet |
US20150027594A1 (en) * | 2011-11-15 | 2015-01-29 | Jfe Steel Corporation | Thin steel sheet and process for producing the same |
CN105925905A (zh) * | 2016-05-17 | 2016-09-07 | 武汉钢铁股份有限公司 | Nb-Ti系780MPa级热轧双相钢及其生产方法 |
US20190112681A1 (en) * | 2016-03-31 | 2019-04-18 | Jfe Steel Corporation | Steel sheet, plated steel sheet, method for producing hot-rolled steel sheet, method for producing cold-rolled full hard steel sheet, method for producing steel sheet, and method for producing plated steel sheet |
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 |
Family Cites Families (7)
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 |
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 |
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 |
MX2017012310A (es) * | 2015-03-27 | 2018-01-18 | Jfe Steel Corp | Lamina de acero de alta resistencia y metodo de produccion para la misma. |
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 |
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 |
-
2020
- 2020-05-27 CN CN202010459214.0A patent/CN113737086A/zh active Pending
-
2021
- 2021-05-25 WO PCT/CN2021/095808 patent/WO2021238917A1/zh unknown
- 2021-05-25 JP JP2022572703A patent/JP2023527390A/ja active Pending
- 2021-05-25 EP EP21813104.3A patent/EP4159885A4/en active Pending
- 2021-05-25 US US17/927,875 patent/US20230203611A1/en active Pending
- 2021-05-25 CA CA3180469A patent/CA3180469A1/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040238082A1 (en) * | 2002-06-14 | 2004-12-02 | Jfe Steel Corporation | High strength cold rolled steel plate and method for production thereof |
US20120009434A1 (en) * | 2008-07-11 | 2012-01-12 | Kabushiki Kaisha Kobe Seiko Sho | Cold-rolled steel sheet |
US20150027594A1 (en) * | 2011-11-15 | 2015-01-29 | Jfe Steel Corporation | Thin steel sheet and process for producing the same |
US20190112681A1 (en) * | 2016-03-31 | 2019-04-18 | Jfe Steel Corporation | Steel sheet, plated steel sheet, method for producing hot-rolled steel sheet, method for producing cold-rolled full hard steel sheet, method for producing steel sheet, and method for producing plated steel sheet |
CN105925905A (zh) * | 2016-05-17 | 2016-09-07 | 武汉钢铁股份有限公司 | Nb-Ti系780MPa级热轧双相钢及其生产方法 |
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 |
Non-Patent Citations (1)
Title |
---|
See also references of WO2021238917A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2021238917A1 (zh) | 2021-12-02 |
CA3180469A1 (en) | 2021-12-02 |
US20230203611A1 (en) | 2023-06-29 |
EP4159885A9 (en) | 2023-06-21 |
EP4159885A1 (en) | 2023-04-05 |
CN113737086A (zh) | 2021-12-03 |
JP2023527390A (ja) | 2023-06-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP4159885A4 (en) | COLD-ROLLED AND ANNEALED TWO-PHASE STEEL OF 780 MPA QUALITY AND MANUFACTURING METHOD THEREFOR | |
KR102276741B9 (ko) | 구멍확장성이 높은 고강도 냉연강판, 고강도 용융아연도금강판 및 이들의 제조방법 | |
EP4089198A4 (en) | STEEL WITH CONTROLLED YIELD STRENGTH AND MANUFACTURING PROCESS THEREFOR | |
EP4159886A4 (en) | ULTRA HIGH STRENGTH TWO-PHASE STEEL AND ITS MANUFACTURING METHOD | |
EP3647454A4 (en) | COLD ROLLED, CLASS 1 180 MPA DOUBLE-PHASE COLD-ROLLED SHEET SHEET LOW COST AND HIGH FORMABILITY AND ITS MANUFACTURING PROCESS | |
EP3885462A4 (en) | HIGH YIELD COLD ROLLED TWO-PHASE STEEL AND METHOD OF MANUFACTURING THEREOF | |
EP2647730A3 (en) | A method for manufacturing a high strength formable continuously annealed steel strip, a high strength formable continuously annealed steel strip product and a steel coil | |
ZA202206166B (en) | Cold-rolled and annealed steel sheet and manufacturing method | |
EP2098309A4 (en) | COLD ROLLING METHOD OF STEEL BAND AND METHOD OF MANUFACTURING COLD LAMINATED STEEL SHEET HAVING HIGH STRENGTH | |
EP3901303A4 (en) | HIGH CARBON HOT-ROLLED STEEL SHEET AND METHOD OF MANUFACTURING THEREOF | |
EP1616971A4 (en) | HIGH-FIXED COLD-ROLLED STEEL PLATE AND METHOD OF MANUFACTURING THEREOF | |
EP3647455A4 (en) | COLD ROLLED, ANNUAL TWO-PHASE STEEL, SHEET STEEL AND ITS MANUFACTURING PROCESS | |
EP3929315A4 (en) | HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME | |
ZA202203452B (en) | Cold rolled and heat-treated steel sheet and method of manufacturing the same | |
ATE551131T1 (de) | Verfahren zur kontinuierlichen herstellung von kaltgewalztem stahl | |
EP3936629A4 (en) | COLD-ROLLED STEEL SHEET AND MANUFACTURING PROCESS THEREOF | |
EP3748030A4 (en) | HIGH CARBON HOT ROLLED STEEL SHEET AND ITS MANUFACTURING PROCESS | |
EP4033000A4 (en) | MARTENSITIC STEEL STRIP AND METHOD OF MANUFACTURING THEREOF | |
KR102360396B9 (ko) | 고강도 및 고성형성을 가지는 강판 및 그 제조방법 | |
EP4261853A4 (en) | LOW MAGNETIC STRICTION SILICON STEEL AND PRODUCTION PROCESS THEREOF | |
EP4163405A4 (en) | STEEL SHEET, AND METHOD FOR MANUFACTURING SAME | |
EP4269643A4 (en) | COLD-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME | |
EP4269644A4 (en) | COLD ROLLED STEEL SHEET AND METHOD FOR PRODUCING THE SAME | |
EP3988681A4 (en) | COLD ROLLED STEEL STRIP WITH VARYING STRENGTH AND HARDNESS IN THE DIRECTION OF THICKNESS AND PROCESS OF ITS PRODUCTION | |
EP4098378A4 (en) | PLANT AND PROCESS FOR THE MANUFACTURE OF COLD ROLLED STEEL STRIPS |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20221206 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R079 Free format text: PREVIOUS MAIN CLASS: C22C0038020000 Ipc: C22C0038040000 |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20240322 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: C21D 1/26 20060101ALI20240318BHEP Ipc: C21D 1/19 20060101ALI20240318BHEP Ipc: C21D 1/18 20060101ALI20240318BHEP Ipc: C21D 6/00 20060101ALI20240318BHEP Ipc: C21D 8/02 20060101ALI20240318BHEP Ipc: C21D 9/46 20060101ALI20240318BHEP Ipc: C22C 38/00 20060101ALI20240318BHEP Ipc: C22C 38/06 20060101ALI20240318BHEP Ipc: C22C 38/14 20060101ALI20240318BHEP Ipc: C22C 38/12 20060101ALI20240318BHEP Ipc: C22C 38/02 20060101ALI20240318BHEP Ipc: C22C 38/04 20060101AFI20240318BHEP |