EP4545666A4 - Tôle d'acier laminée à froid de nuance 1300 mpa ou plus présentant une grande extension et des performances d'expansion de trous élevées et son procédé de fabrication - Google Patents

Tôle d'acier laminée à froid de nuance 1300 mpa ou plus présentant une grande extension et des performances d'expansion de trous élevées et son procédé de fabrication

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
German (de)
English (en)
Other versions
EP4545666A1 (fr
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
Priority claimed from CN202210711333.XA external-priority patent/CN117305724B/xx
Application filed by Baoshan Iron and Steel Co Ltd filed Critical Baoshan Iron and Steel Co Ltd
Publication of EP4545666A1 publication Critical patent/EP4545666A1/fr
Publication of EP4545666A4 publication Critical patent/EP4545666A4/fr
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 Tôle d'acier laminée à froid de nuance 1300 mpa ou plus présentant une grande extension et des performances d'expansion de trous élevées et son procédé de fabrication Pending EP4545666A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210711333.XA CN117305724B (zh) 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 (fr) 2022-06-22 2023-06-20 Tôle d'acier laminée à froid de nuance 1300 mpa ou plus présentant une grande extension et des performances d'expansion de trous élevées et son procédé de fabrication

Publications (2)

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

Family

ID=89244979

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23826445.1A Pending EP4545666A4 (fr) 2022-06-22 2023-06-20 Tôle d'acier laminée à froid de nuance 1300 mpa ou plus présentant une grande extension et des performances d'expansion de trous élevées et son procédé de fabrication

Country Status (3)

Country Link
EP (1) EP4545666A4 (fr)
JP (1) JP2025521342A (fr)
WO (1) WO2023246798A1 (fr)

Families Citing this family (1)

* 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

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2246456A1 (fr) * 2008-01-31 2010-11-03 JFE Steel Corporation Tôle d'acier haute résistance et son procédé de production
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 (fr) * 2016-01-27 2017-08-03 Ｊｆｅスチール株式会社 Tôle d'acier galvanisé à rapport d'élasticité élevé, résistance élevée, et son procédé de production
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 (fr) * 2017-12-22 2020-10-28 Posco Tôle d'acier à haute résistance présentant une excellente aptitude au façonnage, et procédé de fabrication de celle-ci
CN114286870A (zh) * 2019-09-03 2022-04-05 日本制铁株式会社 钢板

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
TR201813862T1 (tr) * 2016-03-31 2018-11-21 Jfe Steel Corp Çelik sac, kaplanmış çelik sac, sıcak haddelenmiş çelik sac üretim yöntemi, soğuk haddelenmiş tam sert çelik sac üretim yöntemi, çelik sac üretim yöntemi ve kaplanmış çelik sac üretim yöntemi.
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
MX391277B (es) * 2016-12-27 2025-03-21 Jfe Steel Corp Lámina de acero galvanizado de alta resistencia y método para producir la misma.
US20210189517A1 (en) * 2018-05-22 2021-06-24 Thyssenkrupp Steel Europe Ag Sheet Metal Part Formed from a Steel Having a High Tensile Strength and Method for Manufacturing Said Sheet Metal Part
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
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
US20250188558A1 (en) * 2022-03-24 2025-06-12 Jfe Steel Corporation Steel sheet, member, and methods of producing same

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2246456A1 (fr) * 2008-01-31 2010-11-03 JFE Steel Corporation Tôle d'acier haute résistance et son procédé de production
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 (fr) * 2016-01-27 2017-08-03 Ｊｆｅスチール株式会社 Tôle d'acier galvanisé à rapport d'élasticité élevé, résistance élevée, et son procédé de production
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 (fr) * 2017-12-22 2020-10-28 Posco Tôle d'acier à haute résistance présentant une excellente aptitude au façonnage, et procédé de fabrication de celle-ci
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 (fr) 2025-04-30
WO2023246798A1 (fr) 2023-12-28
CN117305724A (zh) 2023-12-29
JP2025521342A (ja) 2025-07-08

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