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 CN117305724A (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 (4)

Country Link
EP (1) EP4545666A4 (de)
JP (1) JP2025521342A (de)
CN (1) CN117305724A (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

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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
US11377708B2 (en) * 2016-12-27 2022-07-05 Jfe Steel Corporation High-strength galvanized steel sheet and method for producing the same
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
TW201945554A (zh) * 2018-04-23 2019-12-01 日商日本製鐵股份有限公司 鋼構件及其製造方法
EP3797176A1 (de) * 2018-05-22 2021-03-31 ThyssenKrupp Steel Europe AG Aus einem stahl geformtes blechformteil mit einer hohen zugfestigkeit und verfahren zu dessen herstellung
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
JP7410936B2 (ja) * 2018-09-28 2024-01-10 ポスコ カンパニー リミテッド 穴拡げ性が高い高強度冷延鋼板、高強度溶融亜鉛めっき鋼板、及びこれらの製造方法
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
WO2020136988A1 (ja) * 2018-12-26 2020-07-02 Ｊｆｅスチール株式会社 高強度溶融亜鉛めっき鋼板およびその製造方法
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
JP2023539781A (ja) * 2020-09-07 2023-09-19 アルセロールミタル 鋼の鍛造された部品及びその製造方法
KR102534620B1 (ko) * 2021-03-31 2023-05-30 현대제철 주식회사 냉연 도금강판 및 그 제조방법
CN118829738A (zh) * 2022-03-24 2024-10-22 杰富意钢铁株式会社 钢板和构件以及它们的制造方法

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
EP4545666A1 (de) 2025-04-30
CN117305724A (zh) 2023-12-29
JP2025521342A (ja) 2025-07-08
WO2023246798A1 (zh) 2023-12-28

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