EP4464802A4 - Tôle en acier galvanisée par immersion à chaud, et procédé de fabrication de celle-ci - Google Patents

Tôle en acier galvanisée par immersion à chaud, et procédé de fabrication de celle-ci

Info

Publication number
EP4464802A4
EP4464802A4 EP22920482.1A EP22920482A EP4464802A4 EP 4464802 A4 EP4464802 A4 EP 4464802A4 EP 22920482 A EP22920482 A EP 22920482A EP 4464802 A4 EP4464802 A4 EP 4464802A4
Authority
EP
European Patent Office
Prior art keywords
hot
steel sheet
galvanized steel
dip galvanized
producing same
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
EP22920482.1A
Other languages
German (de)
English (en)
Other versions
EP4464802A1 (fr
Inventor
Takafumi Yokoyama
Chisato Yoshinaga
Takuya Kuwayama
Kengo Takeda
Takuya MITSUNOBU
Seiji Furusako
Tatsuya Obuchi
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP4464802A1 publication Critical patent/EP4464802A1/fr
Publication of EP4464802A4 publication Critical patent/EP4464802A4/fr
Pending legal-status Critical Current

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    • 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
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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
    • 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
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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
    • 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
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    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
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    • C21D8/0278—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 involving a particular surface treatment 
    • C—CHEMISTRY; METALLURGY
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    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
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    • C21D8/04—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 to produce plates or strips for drawing, e.g. for deep-drawing
    • C21D8/0421—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 to produce plates or strips for drawing, e.g. for deep-drawing characterised by the working steps
    • C21D8/0426—Hot rolling
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    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
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    • C21D8/04—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 to produce plates or strips for drawing, e.g. for deep-drawing
    • C21D8/0421—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 to produce plates or strips for drawing, e.g. for deep-drawing characterised by the working steps
    • C21D8/0436—Cold rolling
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    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
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    • C21D8/04—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 to produce plates or strips for drawing, e.g. for deep-drawing
    • C21D8/0447—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 to produce plates or strips for drawing, e.g. for deep-drawing characterised by the heat treatment
    • C21D8/0463—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 to produce plates or strips for drawing, e.g. for deep-drawing characterised by the heat treatment following hot rolling
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    • 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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
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    • 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
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    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
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    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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    • C22C38/00—Ferrous alloys, e.g. steel alloys
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    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
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    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
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    • C21D2211/003—Cementite
    • 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
    • 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
    • C21D2211/009—Pearlite

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Coating With Molten Metal (AREA)
EP22920482.1A 2022-01-13 2022-11-29 Tôle en acier galvanisée par immersion à chaud, et procédé de fabrication de celle-ci Pending EP4464802A4 (fr)

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JP2022003757 2022-01-13
PCT/JP2022/043968 WO2023135962A1 (fr) 2022-01-13 2022-11-29 Tôle en acier galvanisée par immersion à chaud, et procédé de fabrication de celle-ci

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EP4464802A1 EP4464802A1 (fr) 2024-11-20
EP4464802A4 true EP4464802A4 (fr) 2025-04-23

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US (1) US20240327962A1 (fr)
EP (1) EP4464802A4 (fr)
JP (1) JP7787438B2 (fr)
KR (1) KR20240121797A (fr)
CN (1) CN118525107A (fr)
MX (1) MX2024007820A (fr)
WO (1) WO2023135962A1 (fr)

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Publication number Priority date Publication date Assignee Title
WO2025079389A1 (fr) * 2023-10-12 2025-04-17 日本製鉄株式会社 Tôle d'acier plaquée
JP7743945B1 (ja) * 2024-05-23 2025-09-25 Ｊｆｅスチール株式会社 高強度亜鉛めっき鋼板および高強度亜鉛めっき鋼板を製造するための熱延鋼板、冷延鋼板と高強度亜鉛めっき鋼板の製造方法
WO2025243592A1 (fr) * 2024-05-23 2025-11-27 Ｊｆｅスチール株式会社 Tôle d'acier galvanisée à haute résistance et procédés de production de tôle d'acier galvanisée à haute résistance et tôle d'acier laminée à chaud et tôle d'acier laminée à froid pour produire une tôle d'acier galvanisée à haute résistance

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EP2762603A1 (fr) * 2011-09-30 2014-08-06 Nippon Steel & Sumitomo Metal Corporation Feuille d'acier galvanisée par immersion à chaud à haute résistance
WO2016111272A1 (fr) * 2015-01-09 2016-07-14 株式会社神戸製鋼所 Tôle d'acier plaquée hautement résistante, et procédé de fabrication de celle-ci
WO2020196060A1 (fr) * 2019-03-28 2020-10-01 日本製鉄株式会社 Tôle d'acier à haute résistance
WO2021193632A1 (fr) * 2020-03-27 2021-09-30 日本製鉄株式会社 Tôle d'acier allié galvanisée par immersion à chaud
EP3922740A1 (fr) * 2019-02-06 2021-12-15 Nippon Steel Corporation Tôle d'acier galvanisée par immersion à chaud et procédé de fabrication s'y rapportant

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JP4445365B2 (ja) 2004-10-06 2010-04-07 新日本製鐵株式会社 伸びと穴拡げ性に優れた高強度薄鋼板の製造方法
JP5332981B2 (ja) 2009-07-08 2013-11-06 新日鐵住金株式会社 延性及び耐食性に優れた合金化溶融亜鉛めっき鋼板及びその製造方法
JP5333298B2 (ja) 2010-03-09 2013-11-06 Ｊｆｅスチール株式会社 高強度鋼板の製造方法
KR101598309B1 (ko) 2011-07-29 2016-02-26 신닛테츠스미킨 카부시키카이샤 형상 동결성이 우수한 고강도 강판, 고강도 아연 도금 강판 및 그들의 제조 방법
KR101618477B1 (ko) 2011-10-04 2016-05-04 제이에프이 스틸 가부시키가이샤 고강도 강판 및 그 제조 방법
WO2013144377A1 (fr) 2012-03-30 2013-10-03 Voestalpine Stahl Gmbh Tôle d'acier laminée à froid à haute résistance et procédé de production d'une tôle d'acier de ce type
EP3444372B1 (fr) 2016-04-14 2020-12-02 JFE Steel Corporation Feuille d'acier à haute résistance et son procédé de fabrication
WO2018189950A1 (fr) 2017-04-14 2018-10-18 Ｊｆｅスチール株式会社 Plaque d'acier et son procédé de production
WO2018203111A1 (fr) 2017-05-05 2018-11-08 Arcelormittal Procédé de production d'une tôle d'acier à haute résistance ayant une ductilité, une formabilité et une soudabilité élevées et tôle d'acier obtenue ainsi
WO2018234839A1 (fr) 2017-06-20 2018-12-27 Arcelormittal Tôle d'acier revêtue de zinc présentant une soudabilité par points de haute résistance
US12098440B2 (en) * 2020-11-11 2024-09-24 Nippon Steel Corporation Steel sheet and method for producing same

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EP2762603A1 (fr) * 2011-09-30 2014-08-06 Nippon Steel & Sumitomo Metal Corporation Feuille d'acier galvanisée par immersion à chaud à haute résistance
WO2016111272A1 (fr) * 2015-01-09 2016-07-14 株式会社神戸製鋼所 Tôle d'acier plaquée hautement résistante, et procédé de fabrication de celle-ci
EP3922740A1 (fr) * 2019-02-06 2021-12-15 Nippon Steel Corporation Tôle d'acier galvanisée par immersion à chaud et procédé de fabrication s'y rapportant
WO2020196060A1 (fr) * 2019-03-28 2020-10-01 日本製鉄株式会社 Tôle d'acier à haute résistance
EP3950994A1 (fr) * 2019-03-28 2022-02-09 Nippon Steel Corporation Tôle d'acier à haute résistance
WO2021193632A1 (fr) * 2020-03-27 2021-09-30 日本製鉄株式会社 Tôle d'acier allié galvanisée par immersion à chaud
EP4130319A1 (fr) * 2020-03-27 2023-02-08 Nippon Steel Corporation Tôle d'acier allié galvanisée par immersion à chaud

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EP4464802A1 (fr) 2024-11-20
US20240327962A1 (en) 2024-10-03
MX2024007820A (es) 2024-07-04
CN118525107A (zh) 2024-08-20
JPWO2023135962A1 (fr) 2023-07-20
WO2023135962A1 (fr) 2023-07-20
JP7787438B2 (ja) 2025-12-17

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