EP4206351A4 - Acier à forte expansion de trou en bainite de qualité 980 mpa et procédé de fabrication de celui-ci - Google Patents

Acier à forte expansion de trou en bainite de qualité 980 mpa et procédé de fabrication de celui-ci Download PDF

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Publication number
EP4206351A4
EP4206351A4 EP21860563.2A EP21860563A EP4206351A4 EP 4206351 A4 EP4206351 A4 EP 4206351A4 EP 21860563 A EP21860563 A EP 21860563A EP 4206351 A4 EP4206351 A4 EP 4206351A4
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EP
European Patent Office
Prior art keywords
mpa
quality
manufacturing
same
high hole
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.)
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EP21860563.2A
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German (de)
English (en)
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EP4206351A1 (fr
Inventor
Huanrong WANG
Feng Yang
Chen Zhang
Ana YANG
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Baoshan Iron and Steel Co Ltd
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Baoshan Iron and Steel Co Ltd
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Application filed by Baoshan Iron and Steel Co Ltd filed Critical Baoshan Iron and Steel Co Ltd
Publication of EP4206351A1 publication Critical patent/EP4206351A1/fr
Publication of EP4206351A4 publication Critical patent/EP4206351A4/fr
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
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    • 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
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08—Iron or steel

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
EP21860563.2A 2020-08-31 2021-08-30 Acier à forte expansion de trou en bainite de qualité 980 mpa et procédé de fabrication de celui-ci Pending EP4206351A4 (fr)

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Application Number Priority Date Filing Date Title
CN202010897959.5A CN114107798A (zh) 2020-08-31 2020-08-31 一种980MPa级贝氏体高扩孔钢及其制造方法
PCT/CN2021/115433 WO2022042731A1 (fr) 2020-08-31 2021-08-30 Acier à forte expansion de trou en bainite de qualité 980 mpa et procédé de fabrication de celui-ci

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EP4206351A1 EP4206351A1 (fr) 2023-07-05
EP4206351A4 true EP4206351A4 (fr) 2024-03-20

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US (1) US20230313333A1 (fr)
EP (1) EP4206351A4 (fr)
JP (1) JP7829558B2 (fr)
KR (1) KR20230059810A (fr)
CN (1) CN114107798A (fr)
WO (1) WO2022042731A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114774788B (zh) * 2022-04-25 2023-08-29 马鞍山钢铁股份有限公司 一种900MPa级高表面质量的酸洗汽车用钢及其制造方法和应用
CN114892080B (zh) * 2022-04-27 2023-06-20 鞍钢股份有限公司 一种720MPa级析出强化型热轧贝氏体钢及其生产方法
CN114908291B (zh) * 2022-04-27 2023-04-14 鞍钢股份有限公司 一种850MPa级析出强化型热轧贝氏体钢及其生产方法
CN114908289B (zh) * 2022-04-27 2023-04-14 鞍钢股份有限公司 一种650MPa级析出强化型热轧贝氏体钢及其生产方法
CN117265376A (zh) * 2022-06-14 2023-12-22 宝山钢铁股份有限公司 一种1000MPa级高扩孔热轧复相钢钢板及其制造方法
CN117305692A (zh) * 2022-06-22 2023-12-29 宝山钢铁股份有限公司 一种高扩孔钢及其制造方法
CN115647036A (zh) * 2022-10-10 2023-01-31 唐山不锈钢有限责任公司 一种700MPa级热轧带钢及其生产方法
JP7522980B1 (ja) * 2022-11-22 2024-07-26 Ｊｆｅスチール株式会社 高強度熱延鋼板及びその製造方法
JP7522979B1 (ja) * 2022-11-22 2024-07-26 Ｊｆｅスチール株式会社 高強度熱延鋼板及びその製造方法
CN116287991A (zh) * 2023-02-27 2023-06-23 马鞍山钢铁股份有限公司 一种焊接性能优良的780MPa级热轧高扩孔钢及其制造方法
CN117165872B (zh) * 2023-11-02 2024-02-13 北京科技大学 高扩孔率的单钛微合金化耐蚀高强钢
CN118291854B (zh) * 2024-03-25 2025-10-17 马鞍山钢铁股份有限公司 一种低成本高成形性能抗拉强度450MPa级酸洗高强钢及其制造方法和应用
CN118979190B (zh) * 2024-08-26 2025-11-25 北京科技大学 低碳高扩孔钢及其制备方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008156681A (ja) * 2006-12-21 2008-07-10 Kobe Steel Ltd 伸びフランジ性及び表面性状に優れた熱延鋼板並びにその製造方法
US20090092514A1 (en) * 2006-05-24 2009-04-09 Hitoshi Asahi Steel pipe for high strength line pipe superior in strain aging resistance and steel plate for high strength line pipe and methods of production of the same
US20110232807A1 (en) * 2003-09-30 2011-09-29 Nippon Steel Corporation High yield ratio and high-strength thin steel sheet superior in weldability and ductility, high-yield ratio high-strength hot-dip galvanized thin steel sheet, high-yield ratio high-strength hot-dip galvannealed thin steel sheet, and methods of production of same
KR20120121811A (ko) * 2011-04-27 2012-11-06 현대제철 주식회사 고강도 강판 및 그 제조 방법
US20130061989A1 (en) * 2010-05-31 2013-03-14 Jfe Steel Corporation High strength hot-rolled steel sheet having excellent stretch flangeability and fatigue resistance and method for manufacturing the same
EP3112488A1 (fr) * 2014-02-27 2017-01-04 JFE Steel Corporation Tôle d'acier laminée à chaud à haute résistance et son procédé de fabrication
EP3584337A1 (fr) * 2017-02-17 2019-12-25 JFE Steel Corporation Tôle d'acier laminée à chaud de haute résistance et son procédé de fabrication

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4088316B2 (ja) * 2006-03-24 2008-05-21 株式会社神戸製鋼所 複合成形性に優れた高強度熱延鋼板
JP4646881B2 (ja) 2006-09-15 2011-03-09 株式会社神戸製鋼所 伸びフランジ性に優れた熱延鋼板
JP5176885B2 (ja) * 2008-11-10 2013-04-03 新日鐵住金株式会社 鋼材及びその製造方法
JP5418168B2 (ja) * 2008-11-28 2014-02-19 Ｊｆｅスチール株式会社 成形性に優れた高強度冷延鋼板、高強度溶融亜鉛めっき鋼板およびそれらの製造方法
WO2016005780A1 (fr) * 2014-07-11 2016-01-14 Arcelormittal Investigación Y Desarrollo Sl Tôle d'acier laminée à chaud et procédé de fabrication associé
CN104513930A (zh) * 2014-12-19 2015-04-15 宝山钢铁股份有限公司 弯曲和扩孔性能良好的超高强热轧复相钢板和钢带及其制造方法
MX2018001082A (es) * 2015-07-27 2018-06-06 Jfe Steel Corp Lamina de acero laminada en caliente de alta resistencia y metodo para la fabricacion de la misma.
EP3390040B2 (fr) * 2015-12-15 2023-08-30 Tata Steel IJmuiden B.V. Bande d'acier galvanisé à chaud haute résistance
CN106119702B (zh) * 2016-06-21 2018-10-02 宝山钢铁股份有限公司 一种980MPa级热轧高强度高扩孔钢及其制造方法
CN108998739B (zh) * 2018-08-01 2020-12-15 首钢集团有限公司 一种具有高扩孔性能的热轧酸洗带钢及其生产方法
JP2020204051A (ja) 2019-06-14 2020-12-24 Ｊｆｅスチール株式会社 高強度熱延鋼板およびその製造方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110232807A1 (en) * 2003-09-30 2011-09-29 Nippon Steel Corporation High yield ratio and high-strength thin steel sheet superior in weldability and ductility, high-yield ratio high-strength hot-dip galvanized thin steel sheet, high-yield ratio high-strength hot-dip galvannealed thin steel sheet, and methods of production of same
US20090092514A1 (en) * 2006-05-24 2009-04-09 Hitoshi Asahi Steel pipe for high strength line pipe superior in strain aging resistance and steel plate for high strength line pipe and methods of production of the same
JP2008156681A (ja) * 2006-12-21 2008-07-10 Kobe Steel Ltd 伸びフランジ性及び表面性状に優れた熱延鋼板並びにその製造方法
US20130061989A1 (en) * 2010-05-31 2013-03-14 Jfe Steel Corporation High strength hot-rolled steel sheet having excellent stretch flangeability and fatigue resistance and method for manufacturing the same
KR20120121811A (ko) * 2011-04-27 2012-11-06 현대제철 주식회사 고강도 강판 및 그 제조 방법
EP3112488A1 (fr) * 2014-02-27 2017-01-04 JFE Steel Corporation Tôle d'acier laminée à chaud à haute résistance et son procédé de fabrication
EP3584337A1 (fr) * 2017-02-17 2019-12-25 JFE Steel Corporation Tôle d'acier laminée à chaud de haute résistance et son procédé de fabrication

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022042731A1 *

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EP4206351A1 (fr) 2023-07-05
JP2023539650A (ja) 2023-09-15
KR20230059810A (ko) 2023-05-03
CN114107798A (zh) 2022-03-01
JP7829558B2 (ja) 2026-03-13
WO2022042731A1 (fr) 2022-03-03

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