EP4477785A4 - SURFACE-TREATED STEEL SHEET AND METHOD FOR THE PRODUCTION THEREOF - Google Patents

SURFACE-TREATED STEEL SHEET AND METHOD FOR THE PRODUCTION THEREOF

Info

Publication number
EP4477785A4
EP4477785A4 EP23784544.1A EP23784544A EP4477785A4 EP 4477785 A4 EP4477785 A4 EP 4477785A4 EP 23784544 A EP23784544 A EP 23784544A EP 4477785 A4 EP4477785 A4 EP 4477785A4
Authority
EP
European Patent Office
Prior art keywords
steel sheet
treated steel
producing same
producing
treated
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
EP23784544.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4477785A1 (en
Inventor
Takashi Ueno
Yusuke Nakagawa
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/JP2023/006069 external-priority patent/WO2023195251A1/ja
Publication of EP4477785A1 publication Critical patent/EP4477785A1/en
Publication of EP4477785A4 publication Critical patent/EP4477785A4/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
    • 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
    • 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
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/04—Electroplating: Baths therefor from solutions of chromium
    • C25D3/08—Deposition of black chromium, e.g. hexavalent chromium, CrVI
    • 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
    • C25D3/12—Electroplating: Baths therefor from solutions of nickel or cobalt
    • 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
    • C25D5/10—Electroplating with more than one layer of the same or of different metals
    • C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
    • C25D5/14—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium two or more layers being of nickel or chromium, e.g. duplex or triplex layers
    • 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
    • C25D5/48—After-treatment of electroplated surfaces
    • 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
    • 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

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)
  • Electroplating Methods And Accessories (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
EP23784544.1A 2022-04-08 2023-02-20 SURFACE-TREATED STEEL SHEET AND METHOD FOR THE PRODUCTION THEREOF Pending EP4477785A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022064801 2022-04-08
PCT/JP2023/006069 WO2023195251A1 (ja) 2022-04-08 2023-02-20 表面処理鋼板およびその製造方法

Publications (2)

Publication Number Publication Date
EP4477785A1 EP4477785A1 (en) 2024-12-18
EP4477785A4 true EP4477785A4 (en) 2025-01-22

Family

ID=87563008

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23784544.1A Pending EP4477785A4 (en) 2022-04-08 2023-02-20 SURFACE-TREATED STEEL SHEET AND METHOD FOR THE PRODUCTION THEREOF

Country Status (5)

Country Link
US (1) US20250290218A1 (https=)
EP (1) EP4477785A4 (https=)
JP (1) JP7327718B1 (https=)
KR (1) KR20240146032A (https=)
CN (1) CN118974327A (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4491772A4 (en) * 2022-04-08 2025-09-03 Jfe Steel Corp SURFACE-TREATED STEEL SHEET AND PROCESS FOR PRODUCING THE SAME
CN120937182A (zh) 2023-12-11 2025-11-11 株式会社 Lg新能源 电池组

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4501802A (en) * 1980-06-03 1985-02-26 Nippon Steel Corporation Hydrated chromium oxide-coated steel strip useful for welded cans and other containers
US6280852B1 (en) * 1995-11-02 2001-08-28 Toyo Kohan Co., Ltd. Process for producing laminated steel sheet, laminated steel sheet, and surface-treated steel sheet used therefor
WO2021214391A1 (en) * 2020-04-23 2021-10-28 Savroc Ltd An aqueous electroplating bath and its use
EP4219795A1 (en) * 2020-12-21 2023-08-02 JFE Steel Corporation Surface-treated steel sheet and production method therefor

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55134197A (en) 1979-04-05 1980-10-18 Toyo Kohan Co Ltd Electrolytic chromic acid treating steel sheet for adhesion can
JPS5735699A (en) 1980-08-13 1982-02-26 Nippon Steel Corp Production of chrome plated steel plate of superior adhesiveness
JPS58110695A (ja) 1981-12-24 1983-07-01 Nippon Kokan Kk <Nkk> ２次塗料密着性に優れた電解クロメ−ト処理鋼板
JP3720961B2 (ja) 1997-10-09 2005-11-30 新日本製鐵株式会社 溶接性、耐食性、密着性に優れた溶接缶用鋼板
JP4818755B2 (ja) 2006-03-02 2011-11-16 新日本製鐵株式会社 溶接缶用鋼板
SE0601058L (sv) * 2006-05-09 2007-11-10 Sandvik Intellectual Property Bladventilmaterial, tillverkning och användning därav
JP5322083B2 (ja) * 2007-07-12 2013-10-23 奥野製薬工業株式会社 ３価クロムめっき浴及びその製造方法
EP2705176B1 (en) * 2011-05-03 2016-04-13 ATOTECH Deutschland GmbH Electroplating bath and method for producing dark chromium layers
CA2869032C (en) 2012-03-30 2016-07-05 Tata Steel Ijmuiden B.V. Coated substrate for packaging applications and a method for producing said coated substrate
CA2892114C (en) 2012-11-21 2017-02-28 Tata Steel Ijmuiden B.V. Chromium-chromium oxide coatings applied to steel substrates for packaging applications and a method for producing said coatings
CN105386089B (zh) * 2015-12-25 2018-04-24 武汉迪赛环保新材料股份有限公司 一种三价铬硬铬电镀溶液及其在硬铬电镀中的应用
DE102018132075A1 (de) * 2018-12-13 2020-06-18 thysenkrupp AG Verfahren zur Herstellung eines mit einer Beschichtung aus Chrom und Chromoxid beschichteten Metallbands auf Basis einer Elektrolytlösung mit einer dreiwertigen Chromverbindung
JP7067543B2 (ja) * 2019-06-06 2022-05-16 Ｊｆｅスチール株式会社 缶用鋼板およびその製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4501802A (en) * 1980-06-03 1985-02-26 Nippon Steel Corporation Hydrated chromium oxide-coated steel strip useful for welded cans and other containers
US6280852B1 (en) * 1995-11-02 2001-08-28 Toyo Kohan Co., Ltd. Process for producing laminated steel sheet, laminated steel sheet, and surface-treated steel sheet used therefor
WO2021214391A1 (en) * 2020-04-23 2021-10-28 Savroc Ltd An aqueous electroplating bath and its use
EP4219795A1 (en) * 2020-12-21 2023-08-02 JFE Steel Corporation Surface-treated steel sheet and production method therefor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023195251A1 *

Also Published As

Publication number Publication date
KR20240146032A (ko) 2024-10-07
CN118974327A (zh) 2024-11-15
JPWO2023195251A1 (https=) 2023-10-12
US20250290218A1 (en) 2025-09-18
EP4477785A1 (en) 2024-12-18
JP7327718B1 (ja) 2023-08-16

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