EP4520857A4 - SURFACE-TREATED STEEL SHEET AND ITS PRODUCTION PROCESS - Google Patents

SURFACE-TREATED STEEL SHEET AND ITS PRODUCTION PROCESS

Info

Publication number
EP4520857A4
EP4520857A4 EP23842655.5A EP23842655A EP4520857A4 EP 4520857 A4 EP4520857 A4 EP 4520857A4 EP 23842655 A EP23842655 A EP 23842655A EP 4520857 A4 EP4520857 A4 EP 4520857A4
Authority
EP
European Patent Office
Prior art keywords
producing
steel sheet
treated steel
treated
sheet
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
EP23842655.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4520857A1 (en
Inventor
Takashi Ueno
Masanari Tomozawa
Yusuke Nakagawa
Shinji Otsuka
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.)
JFE Steel Corp
Original Assignee
JFE 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 JFE Steel Corp filed Critical JFE Steel Corp
Priority claimed from PCT/JP2023/016772 external-priority patent/WO2024018723A1/ja
Publication of EP4520857A1 publication Critical patent/EP4520857A1/en
Publication of EP4520857A4 publication Critical patent/EP4520857A4/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/38—Chromatising
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/04—Electroplating: Baths therefor from solutions of chromium
    • C25D3/06—Electroplating: Baths therefor from solutions of chromium from solutions of trivalent chromium
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/34—Pretreatment of metallic surfaces to be electroplated
    • C25D5/36—Pretreatment of metallic surfaces to be electroplated of iron or steel
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/627—Electroplating characterised by the visual appearance of the layers, e.g. colour, brightness or mat appearance
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/06—Wires; Strips; Foils
    • C25D7/0614—Strips or foils
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D9/00—Electrolytic coating other than with metals
    • C25D9/04—Electrolytic coating other than with metals with inorganic materials
    • C25D9/08—Electrolytic coating other than with metals with inorganic materials by cathodic processes
    • C25D9/10—Electrolytic coating other than with metals with inorganic materials by cathodic processes on iron or steel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Electroplating Methods And Accessories (AREA)
EP23842655.5A 2022-07-19 2023-04-27 SURFACE-TREATED STEEL SHEET AND ITS PRODUCTION PROCESS Pending EP4520857A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022115038 2022-07-19
PCT/JP2023/016772 WO2024018723A1 (ja) 2022-07-19 2023-04-27 表面処理鋼板およびその製造方法

Publications (2)

Publication Number Publication Date
EP4520857A1 EP4520857A1 (en) 2025-03-12
EP4520857A4 true EP4520857A4 (en) 2026-01-21

Family

ID=89190262

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23842655.5A Pending EP4520857A4 (en) 2022-07-19 2023-04-27 SURFACE-TREATED STEEL SHEET AND ITS PRODUCTION PROCESS

Country Status (6)

Country Link
US (1) US20250327206A1 (https=)
EP (1) EP4520857A4 (https=)
JP (1) JP7401033B1 (https=)
KR (1) KR20250021555A (https=)
CN (1) CN119677899A (https=)
MX (1) MX2025000716A (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150064494A1 (en) * 2012-03-30 2015-03-05 Tata Steel Ijmuiden Bv Coated substrate for packaging applications and a method for producing said coated substrate
US20150337448A1 (en) * 2012-11-21 2015-11-26 Tata Steel Ijmuiden B.V. Chromium-chromium oxide coatings applied to steel substrates for packaging applications and a method for producing said coatings
US20220154360A1 (en) * 2019-02-25 2022-05-19 Tata Steel Ijmuiden B.V. Method for electrolytically depositing a chromium oxide layer

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS604279B2 (ja) * 1981-02-09 1985-02-02 新日本製鐵株式会社 接着性の良い電解クロム酸処理鋼板の製造法
JPH06108265A (ja) * 1992-09-29 1994-04-19 Nippon Steel Corp 塗装鋼板用下地塗布クロメート処理方法
JP3330423B2 (ja) * 1993-06-01 2002-09-30 日本パーカライジング株式会社 陰極電解樹脂クロメート型金属表面処理方法
JP3148655B2 (ja) * 1996-09-05 2001-03-19 帝国ピストンリング株式会社 摺動部材
JP2008050486A (ja) 2006-08-25 2008-03-06 Dainippon Ink & Chem Inc ３ｐ金属缶外面用ベースコート組成物及び該組成物の硬化塗膜層を有する３ｐ金属缶
JP5691010B2 (ja) 2012-01-16 2015-04-01 東洋インキＳｃホールディングス株式会社 塗料組成物およびそれを用いた缶蓋
DE102019109356A1 (de) 2019-04-09 2020-10-15 Thyssenkrupp Rasselstein Gmbh Verfahren zur Herstellung eines mit einer Beschichtung aus Chrom und Chromoxid beschichteten Metallbands auf Basis einer Elektrolytlösung mit einer dreiwertigen Chromverbindung und Elektrolysesystem zur Durchführung des Verfahrens
DE102019109354A1 (de) 2019-04-09 2020-10-15 Thyssenkrupp Rasselstein Gmbh Verfahren zur Passivierung der Oberfläche eines Schwarzblechs oder eines Weißblechs und Elektrolysesystem zur Durchführung des Verfahrens
JP7298889B2 (ja) * 2019-09-02 2023-06-27 オテック株式会社 複合化クロムめっき物品

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150064494A1 (en) * 2012-03-30 2015-03-05 Tata Steel Ijmuiden Bv Coated substrate for packaging applications and a method for producing said coated substrate
US20150337448A1 (en) * 2012-11-21 2015-11-26 Tata Steel Ijmuiden B.V. Chromium-chromium oxide coatings applied to steel substrates for packaging applications and a method for producing said coatings
US20220154360A1 (en) * 2019-02-25 2022-05-19 Tata Steel Ijmuiden B.V. Method for electrolytically depositing a chromium oxide layer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2024018723A1 *

Also Published As

Publication number Publication date
EP4520857A1 (en) 2025-03-12
JP7401033B1 (ja) 2023-12-19
JPWO2024018723A1 (https=) 2024-01-25
US20250327206A1 (en) 2025-10-23
MX2025000716A (es) 2025-03-07
KR20250021555A (ko) 2025-02-13
CN119677899A (zh) 2025-03-21

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