EP4411013A4 - Hochfestes und dickes stahlblech mit hervorragender lochdehnbarkeit und duktilität sowie herstellungsverfahren dafür - Google Patents

Hochfestes und dickes stahlblech mit hervorragender lochdehnbarkeit und duktilität sowie herstellungsverfahren dafür

Info

Publication number
EP4411013A4
EP4411013A4 EP22873172.5A EP22873172A EP4411013A4 EP 4411013 A4 EP4411013 A4 EP 4411013A4 EP 22873172 A EP22873172 A EP 22873172A EP 4411013 A4 EP4411013 A4 EP 4411013A4
Authority
EP
European Patent Office
Prior art keywords
ductility
strength
steel sheet
manufacturing methods
thick 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
Application number
EP22873172.5A
Other languages
English (en)
French (fr)
Other versions
EP4411013A1 (de
Inventor
Kyoung-Rae Cho
Sung-Kyu Kim
Jun-Ho Park
Sang-Ho Han
Jeong-Hun Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Posco Holdings Inc
Original Assignee
Posco Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP4411013A1 publication Critical patent/EP4411013A1/de
Publication of EP4411013A4 publication Critical patent/EP4411013A4/de
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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
    • 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
    • C21D1/185—Hardening; Quenching with or without subsequent tempering from an intercritical temperature
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/22—Martempering
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys 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
    • 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
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire
    • C21D9/573—Continuous furnaces for strip or wire with cooling
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • 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
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • 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
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • 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
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C21D2211/002—Bainite
    • 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)
  • Heat Treatment Of Steel (AREA)
EP22873172.5A 2021-09-27 2022-09-21 Hochfestes und dickes stahlblech mit hervorragender lochdehnbarkeit und duktilität sowie herstellungsverfahren dafür Pending EP4411013A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020210126999A KR102949639B1 (ko) 2021-09-27 2021-09-27 구멍확장성 및 연성이 우수한 고강도 후물 강판 및 이의 제조방법
PCT/KR2022/014116 WO2023048467A1 (ko) 2021-09-27 2022-09-21 구멍확장성 및 연성이 우수한 고강도 후물 강판 및 이의 제조방법

Publications (2)

Publication Number Publication Date
EP4411013A1 EP4411013A1 (de) 2024-08-07
EP4411013A4 true EP4411013A4 (de) 2025-07-16

Family

ID=85720938

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22873172.5A Pending EP4411013A4 (de) 2021-09-27 2022-09-21 Hochfestes und dickes stahlblech mit hervorragender lochdehnbarkeit und duktilität sowie herstellungsverfahren dafür

Country Status (7)

Country Link
US (1) US20240401164A1 (de)
EP (1) EP4411013A4 (de)
JP (1) JP2024535916A (de)
KR (1) KR102949639B1 (de)
CN (1) CN118103542A (de)
MX (1) MX2024003632A (de)
WO (1) WO2023048467A1 (de)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59133324A (ja) * 1983-08-22 1984-07-31 Sumitomo Metal Ind Ltd 成形性のすぐれた高張力冷延鋼板の製造法
JPH10152728A (ja) * 1996-11-25 1998-06-09 Nippon Steel Corp 加工性および表面性状に優れる冷延鋼板の製造方法
JP2009263686A (ja) * 2008-04-22 2009-11-12 Nippon Steel Corp 溶接性と伸びフランジ性の良好な高強度鋼板
US8828557B2 (en) * 2009-04-28 2014-09-09 Jfe Steel Corporation High strength galvanized steel sheet having excellent formability, weldability, and fatigue properties and method for manufacturing the same
JP2014173111A (ja) * 2013-03-07 2014-09-22 Kobe Steel Ltd 成形性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法
KR20160078570A (ko) * 2014-12-24 2016-07-05 주식회사 포스코 굽힘가공성과 구멍확장성이 우수한 고강도 냉연강판, 용융아연도금강판과 그 제조방법
WO2020145108A1 (ja) * 2019-01-09 2020-07-16 Ｊｆｅスチール株式会社 高強度冷延鋼板及びその製造方法
US10941467B2 (en) * 2018-12-18 2021-03-09 Posco Cold-rolled steel sheet with excellent formability, galvanized steel sheet, and manufacturing method thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN101627142B (zh) * 2007-02-23 2012-10-03 塔塔钢铁艾默伊登有限责任公司 冷轧且连续退火的高强度钢带材及生产所述钢的方法
JP5533000B2 (ja) * 2010-02-15 2014-06-25 新日鐵住金株式会社 合金化溶融亜鉛めっき鋼板の製造方法
DE102011117572A1 (de) * 2011-01-26 2012-08-16 Salzgitter Flachstahl Gmbh Höherfester Mehrphasenstahl mit ausgezeichneten Umformeigenschaften
WO2015088523A1 (en) * 2013-12-11 2015-06-18 ArcelorMittal Investigación y Desarrollo, S.L. Cold rolled and annealed steel sheet
CN112703265A (zh) * 2018-10-04 2021-04-23 日本制铁株式会社 冷轧钢板
CN109576579A (zh) 2018-11-29 2019-04-05 宝山钢铁股份有限公司 一种具有高扩孔率和较高延伸率的980MPa级冷轧钢板及其制造方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59133324A (ja) * 1983-08-22 1984-07-31 Sumitomo Metal Ind Ltd 成形性のすぐれた高張力冷延鋼板の製造法
JPH10152728A (ja) * 1996-11-25 1998-06-09 Nippon Steel Corp 加工性および表面性状に優れる冷延鋼板の製造方法
JP2009263686A (ja) * 2008-04-22 2009-11-12 Nippon Steel Corp 溶接性と伸びフランジ性の良好な高強度鋼板
US8828557B2 (en) * 2009-04-28 2014-09-09 Jfe Steel Corporation High strength galvanized steel sheet having excellent formability, weldability, and fatigue properties and method for manufacturing the same
JP2014173111A (ja) * 2013-03-07 2014-09-22 Kobe Steel Ltd 成形性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法
KR20160078570A (ko) * 2014-12-24 2016-07-05 주식회사 포스코 굽힘가공성과 구멍확장성이 우수한 고강도 냉연강판, 용융아연도금강판과 그 제조방법
US10941467B2 (en) * 2018-12-18 2021-03-09 Posco Cold-rolled steel sheet with excellent formability, galvanized steel sheet, and manufacturing method thereof
WO2020145108A1 (ja) * 2019-01-09 2020-07-16 Ｊｆｅスチール株式会社 高強度冷延鋼板及びその製造方法

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
HUANG FEI ET AL: "Recrystallisation before austenitization for improved microstructure and properties in automotive steel sheets with high product of strength and elongation", MATERIALS RESEARCH EXPRESS, vol. 8, no. 5, 1 May 2021 (2021-05-01), GB, pages 056510, XP093281493, ISSN: 2053-1591, Retrieved from the Internet <URL:https://iopscience.iop.org/article/10.1088/2053-1591/abfc7a/pdf> DOI: 10.1088/2053-1591/abfc7a *
OGAWA TOSHIO ET AL: "Effect of initial microstructures prior to cold-rolling and intercritical annealing on ferrite recrystallization and ferrite-to-austenite phase transformation in Nb bearing low-carbon steels", JOURNAL OF PHYSICS: CONFERENCE SERIES, vol. 1270, no. 1, 4 August 2019 (2019-08-04), Bristol, GB, pages 012016, XP093279518, ISSN: 1742-6588, Retrieved from the Internet <URL:https://iopscience.iop.org/article/10.1088/1742-6596/1270/1/012016/pdf> DOI: 10.1088/1742-6596/1270/1/012016 *
SCHASTLIVTSEV V M ET AL: "Degradation of the pipe-steel structure upon long-term operation in contact with a hydrogen sulfide-containing medium", THE PHYSICS OF METALS AND METALLOGRAPHY, NAUKA/INTERPERIODICA, MO, vol. 111, no. 3, 29 March 2011 (2011-03-29), pages 281 - 293, XP019890963, ISSN: 1555-6190, DOI: 10.1134/S0031918X11020128 *
See also references of WO2023048467A1 *

Also Published As

Publication number Publication date
US20240401164A1 (en) 2024-12-05
CN118103542A (zh) 2024-05-28
EP4411013A1 (de) 2024-08-07
KR102949639B1 (ko) 2026-04-08
MX2024003632A (es) 2024-06-24
KR20230045648A (ko) 2023-04-05
JP2024535916A (ja) 2024-10-02
WO2023048467A1 (ko) 2023-03-30

Similar Documents

Publication Publication Date Title
ZA202003349B (en) Steel sheet having excellent toughness, ductility and strength, and manufacturing method thereof
MX380136B (es) Lámina de acero galvanizada por inmersión en caliente de alta resistencia y método para la producción de la misma.
MX2020009652A (es) Lamina de acero laminada en frio de alta resistencia y metodo de manufacturacion de la misma.
MX2016009745A (es) Lamina de acero laminada en frio de alta resistencia y metodo para la fabricacion de la misma.
MX2013001456A (es) Lamina de acero laminada en frio, de alta resistencia, que tiene excelente trabajabilidad y resistencia al impacto, y metodo para manufacturar la misma.
MX2016012708A (es) Chapa de acero laminada en frio de alta resistencia, chapa de acero galvanizada en inmersion en caliente de alta resistencia y chapa de acero galvanfusionado en inmersion en caliente de alta resistencia que tiene excelente ductilidad, abocardabilidad por estiramiento y soldabilidad.
PL3394300T3 (pl) Sposób wytwarzania blachy stalowej o wysokiej wytrzymałości, mającej ulepszoną ciągliwość i odkształcalność oraz otrzymana blacha stalowa
MX374667B (es) Lámina de acero chapado de alta resistencia que tiene excelentes propiedades de chapado, trabajabilidad y mayor resistencia a las fracturas, y método para su producción.
MX2019001794A (es) Lamina de acero laminada en frio de alta resistencia y el metodo para su produccion.
MX394679B (es) Lámina de acero laminada en frío y lámina de acero laminada en frío galvanizada por inmersión en caliente.
PL2256224T3 (pl) Blacha stalowa cienka walcowana na zimno o dużej wytrzymałości, blacha stalowa cienka ocynkowana o dużej wytrzymałości i blacha stalowa cienka stopowa cynkowana na gorąco o dużej wytrzymałości mające doskonałą odkształcalność i spawalność oraz sposoby ich wytwarzania
MX335961B (es) Lamina de acero laminada en frio de alta resistencia y metodo para la fabricacion de la misma.
MX2018009735A (es) Lamina de acero de alta resistencia y metodo para fabricar la misma.
EP4527970A4 (de) Hochfestes galvanisiertes stahlblech mit hervorragender schweissbarkeit und herstellungsverfahren dafür
EP3438315A4 (de) Hochfestes kaltgewalztes stahlblech mit hervorragender streckgrenze und duktilität, beschichtete stahlplatte und verfahren zur herstellung davon
MX384461B (es) Método para producir una hoja de acero twip que tiene una microestructura austenítica.
MX2021004105A (es) Lamina de acero laminada en caliente y metodo para fabricar la misma.
MX2018006061A (es) Lamina de acero laminada en caliente de alta resistencia y metodo de fabricacion de la misma.
MX2015013579A (es) Lamina de acero recocida despues de galvanizada de alta resistencia y metodo para la fabricacion de la misma.
MX2016012797A (es) Chapa de acero laminada en frio de alta resistencia, chapa de acero galvanizada en baño caliente de alta resistencia y chapa de acero galvanofusionado en baño caliente de alta resistencia que tiene excelente ductilidad, abocardabilidad por estiramiento y soldabilidad.
KR102403767B9 (ko) 초고강도 냉연강판 및 그 제조방법
MX2017009199A (es) Lamina de acero de alta resistencia y metodo para la fabricacion de la misma.
EP4428262A4 (de) Hochfestes stahlblech mit hervorragender kollisionssicherheit und formbarkeit sowie verfahren zur herstellung davon
MX2017009204A (es) Lamina de acero de alta resistencia y metodo para la fabricacion de la misma.
EP4375389A4 (de) Kaltgewalztes stahlblech und herstellungsverfahren dafür

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: 20240326

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: C22C0038380000

Ipc: C21D0001180000

A4 Supplementary search report drawn up and despatched

Effective date: 20250613

RIC1 Information provided on ipc code assigned before grant

Ipc: C21D 1/18 20060101AFI20250606BHEP

Ipc: C21D 1/19 20060101ALI20250606BHEP

Ipc: C21D 1/25 20060101ALI20250606BHEP

Ipc: C21D 8/02 20060101ALI20250606BHEP

Ipc: C21D 9/573 20060101ALI20250606BHEP

Ipc: C21D 9/46 20060101ALI20250606BHEP

Ipc: C22C 38/02 20060101ALI20250606BHEP

Ipc: C22C 38/04 20060101ALI20250606BHEP

Ipc: C22C 38/26 20060101ALI20250606BHEP

Ipc: C22C 38/28 20060101ALI20250606BHEP

Ipc: C22C 38/32 20060101ALI20250606BHEP

Ipc: C22C 38/38 20060101ALI20250606BHEP