EP4545666A4 - 1,3mpa- oder mehr kaltgewalztes stahlblech mit hoher ausdehnung und hoher lochexpansionsleistung und herstellungsverfahren dafür - Google Patents

1,3mpa- oder mehr kaltgewalztes stahlblech mit hoher ausdehnung und hoher lochexpansionsleistung und herstellungsverfahren dafür

Info

Publication number
EP4545666A4
EP4545666A4 EP23826445.1A EP23826445A EP4545666A4 EP 4545666 A4 EP4545666 A4 EP 4545666A4 EP 23826445 A EP23826445 A EP 23826445A EP 4545666 A4 EP4545666 A4 EP 4545666A4
Authority
EP
European Patent Office
Prior art keywords
expansion
cold
manufacturing
steel sheet
rolled 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
EP23826445.1A
Other languages
English (en)
French (fr)
Other versions
EP4545666A1 (de
Inventor
Peng Xue
Xiaodong Zhu
Wei Li
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.)
Baoshan Iron and Steel Co Ltd
Original Assignee
Baoshan Iron and Steel 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 Baoshan Iron and Steel Co Ltd filed Critical Baoshan Iron and Steel Co Ltd
Publication of EP4545666A1 publication Critical patent/EP4545666A1/de
Publication of EP4545666A4 publication Critical patent/EP4545666A4/de
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • 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
    • C21D1/20—Isothermal quenching, e.g. bainitic hardening
    • 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 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
    • 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
    • C22C38/002—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
    • C22C38/06—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
    • C22C38/14—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
    • C21D2211/001—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
    • C21D2211/008—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)
EP23826445.1A 2022-06-22 2023-06-20 1,3mpa- oder mehr kaltgewalztes stahlblech mit hoher ausdehnung und hoher lochexpansionsleistung und herstellungsverfahren dafür Pending EP4545666A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210711333.XA CN117305724B (zh) 2022-06-22 2022-06-22 一种高延伸、高扩孔性能的1300MPa以上级冷轧钢板及其制造方法
PCT/CN2023/101458 WO2023246798A1 (zh) 2022-06-22 2023-06-20 一种高延伸、高扩孔性能的1300MPa以上级冷轧钢板及其制造方法

Publications (2)

Publication Number Publication Date
EP4545666A1 EP4545666A1 (de) 2025-04-30
EP4545666A4 true EP4545666A4 (de) 2025-10-01

Family

ID=89244979

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23826445.1A Pending EP4545666A4 (de) 2022-06-22 2023-06-20 1,3mpa- oder mehr kaltgewalztes stahlblech mit hoher ausdehnung und hoher lochexpansionsleistung und herstellungsverfahren dafür

Country Status (3)

Country Link
EP (1) EP4545666A4 (de)
CN (1) CN117305724B (de)
WO (1) WO2023246798A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN121204518A (zh) * 2024-06-26 2025-12-26 宝山钢铁股份有限公司 一种拉延性能优异的低合金超高强钢及其制造方法
CN121204517A (zh) * 2024-06-26 2025-12-26 宝山钢铁股份有限公司 一种低屈强比的1300MPa级超高强钢及其制造方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2246456A1 (de) * 2008-01-31 2010-11-03 JFE Steel Corporation Hochfestes stahlblech und herstellungsverfahren dafür
JP4947176B2 (ja) * 2010-03-24 2012-06-06 Ｊｆｅスチール株式会社 超高強度冷延鋼板の製造方法
WO2017131056A1 (ja) * 2016-01-27 2017-08-03 Ｊｆｅスチール株式会社 高降伏比型高強度亜鉛めっき鋼板及びその製造方法
US20180355453A1 (en) * 2015-12-15 2018-12-13 Posco Ultra-high strength steel sheet having excellent phosphatability and hole expandability and method for manufacturing same
CN109642294A (zh) * 2016-09-28 2019-04-16 杰富意钢铁株式会社 钢板及其制造方法
EP3730636A1 (de) * 2017-12-22 2020-10-28 Posco Hochfestes stahlblech mit hervorragender verarbeitbarkeit und verfahren zu seiner herstellung
CN114286870A (zh) * 2019-09-03 2022-04-05 日本制铁株式会社 钢板

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2524970A1 (de) * 2011-05-18 2012-11-21 ThyssenKrupp Steel Europe AG Hochfestes Stahlflachprodukt und Verfahren zu dessen Herstellung
CN102321841B (zh) 2011-10-08 2013-03-27 攀钢集团攀枝花钢铁研究院有限公司 抗拉强度达到1300MPa的履带板用钢及其制造方法
CN102776438A (zh) 2012-08-27 2012-11-14 内蒙古包钢钢联股份有限公司 一种铌镧微合金化Mn-B系超高强度钢板及其热处理工艺
CN104451436A (zh) 2014-12-08 2015-03-25 钢铁研究总院 贝氏体-马氏体-奥氏体复相耐磨钢板及制造方法
JP6278162B1 (ja) * 2016-03-31 2018-02-14 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
CN106119694B (zh) * 2016-08-24 2018-01-23 武汉钢铁有限公司 用中薄板坯直接轧制的抗拉强度≥1900MPa热成形钢及生产方法
WO2018189950A1 (ja) * 2017-04-14 2018-10-18 Ｊｆｅスチール株式会社 鋼板およびその製造方法
KR102504106B1 (ko) * 2018-04-23 2023-02-28 닛폰세이테츠 가부시키가이샤 강 부재 및 그 제조 방법
CN109023055B (zh) * 2018-08-16 2020-08-28 敬业钢铁有限公司 一种高强度高成形性汽车钢板及其生产工艺
US11753693B2 (en) * 2018-09-28 2023-09-12 Posco Co., Ltd High-strength cold rolled steel sheet having high hole expansion ratio, highstrength hot-dip galvanized steel sheet, and manufacturing methods therefor
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
CN109628846B (zh) * 2018-12-20 2020-08-04 唐山钢铁集团有限责任公司 1300MPa级汽车用超高强度冷轧钢板及其生产方法
US11390932B2 (en) * 2018-12-26 2022-07-19 Jfe Steel Corporation High-strength hot-dip galvanized steel sheet and method for producing the same
CN111647732A (zh) * 2020-05-11 2020-09-11 首钢集团有限公司 一种1300MPa级复相钢、其制备方法及其应用
US20230323493A1 (en) * 2020-09-07 2023-10-12 Arcelormittal Forged part of steel and a method of manufacturing thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2246456A1 (de) * 2008-01-31 2010-11-03 JFE Steel Corporation Hochfestes stahlblech und herstellungsverfahren dafür
JP4947176B2 (ja) * 2010-03-24 2012-06-06 Ｊｆｅスチール株式会社 超高強度冷延鋼板の製造方法
US20180355453A1 (en) * 2015-12-15 2018-12-13 Posco Ultra-high strength steel sheet having excellent phosphatability and hole expandability and method for manufacturing same
WO2017131056A1 (ja) * 2016-01-27 2017-08-03 Ｊｆｅスチール株式会社 高降伏比型高強度亜鉛めっき鋼板及びその製造方法
CN109642294A (zh) * 2016-09-28 2019-04-16 杰富意钢铁株式会社 钢板及其制造方法
EP3730636A1 (de) * 2017-12-22 2020-10-28 Posco Hochfestes stahlblech mit hervorragender verarbeitbarkeit und verfahren zu seiner herstellung
CN114286870A (zh) * 2019-09-03 2022-04-05 日本制铁株式会社 钢板

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023246798A1 *

Also Published As

Publication number Publication date
WO2023246798A1 (zh) 2023-12-28
JP2025521342A (ja) 2025-07-08
CN117305724B (zh) 2026-05-22
EP4545666A1 (de) 2025-04-30
CN117305724A (zh) 2023-12-29

Similar Documents

Publication Publication Date Title
MX2025005273A (es) Lamina de acero laminada en frio y metodo para fabricar la misma
EP4130323A4 (de) Stahlblech, element und verfahren zur herstellung davon
PH12020551953A1 (en) Zn-Al-Mg-Based Hot-Dip Plated Steel Sheet and Manufacturing Method Thereof
WO2020130602A3 (ko) 점 용접성이 우수한 아연도금강판 및 그 제조방법
MX2021010376A (es) Lamina de acero.
US20120040205A1 (en) Method for producing a press-quenched metal component
EP4074858A4 (de) Warmgewalzter h-trägerstahl basierend auf spezialgeformtem knüppelwalzen und umformen, und herstellungsverfahren dafür
ATE403024T1 (de) Waschmaschinentrommel und herstellungsverfahren
EP4386103A4 (de) Hochfestes warmgewalztes stahlblech mit hervorragender formbarkeit und herstellungsverfahren dafür
WO2017163115A8 (fr) Procédé de fabrication de tôles d'aciers laminées à froid et soudées, et tôles ainsi produites
MX2021002282A (es) Chapa de acero laminada en caliente y metodo de produccion de la misma, chapa de acero laminada en frio y metodo de produccion de la misma, metodo de produccion para chapa de acero recocido laminada en frio, y metodo de produccion para chapa de acero galvanizada por inmersion en caliente.
ATE453848T1 (de) Streckmetall
WO2020111856A3 (ko) 연성 및 저온 인성이 우수한 고강도 강재 및 이의 제조방법
EP4488399A4 (de) Kaltgewalzte stahlplatte für eine galvanisierte stahlplatte, galvanisierte stahlplatte und herstellungsverfahren dafür
WO2021125901A3 (ko) 가공성 및 내식성이 우수한 알루미늄계 합금 도금강판 및 이의 제조방법
BRPI0418012A (pt) processo e armação de laminação para múltipla influência de perfis
EP4079904A4 (de) Hochfester stahl mit überlegener bearbeitbarkeit und verfahren zu seiner herstellung
JP4546938B2 (ja) Ｔ形鋼又は山形鋼の製造方法
EP4545665A4 (de) Auf 1.03.0mpa- oder höher kaltgewalztes stahlblech und herstellungsverfahren dafür
EP4265775A4 (de) Hochfestes kaltgewalztes stahlblech mit hohem kohlenstoffanteil und hervorragender formbarkeit sowie verfahren zur herstellung davon
PL1931484T3 (pl) Sposób zszywania profili T oraz urządzenie do realizacji sposobu
EP4306230A4 (de) Verfahren zur herstellung eines kaltgewalzten stahlblechs und herstellungsanlage
MX2023008916A (es) Metodo para fabricar una tira o lamina de acero para una carcasa de bateria y carcasa de bateria hecha de la misma.
CL2023003395A1 (es) Método para fabricar una placa de acero de alta resistencia; y placa de acero obtenida.
BRPI0508585A (pt) nivelador com um espaçamento de centro a centro variável

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: 20250114

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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR

A4 Supplementary search report drawn up and despatched

Effective date: 20250829

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 38/02 20060101AFI20250825BHEP

Ipc: C22C 38/04 20060101ALI20250825BHEP

Ipc: C22C 38/06 20060101ALI20250825BHEP

Ipc: C21D 1/20 20060101ALI20250825BHEP

Ipc: C21D 8/02 20060101ALI20250825BHEP

Ipc: C21D 6/00 20060101ALI20250825BHEP

Ipc: C21D 9/46 20060101ALI20250825BHEP

Ipc: C22C 38/00 20060101ALI20250825BHEP

Ipc: C22C 38/14 20060101ALI20250825BHEP

Ipc: C21D 1/26 20060101ALI20250825BHEP