연료 탱크용의 표면 처리 강판이며, 강판의 적어도 연료 탱크 내면으로 되는 면에 형성된 Zn 도금층, 또는 Zn-Ni 합금 도금층과, 상기 연료 탱크 내면으로 되는 면의 상기 Zn 도금층, 또는 상기 Zn-Ni 합금 도금층의 상층에 위치하는, 발수 발유제를 함유하는 크로메이트 프리 화성 피막층을 구비하고, 상기 크로메이트 프리 화성 피막층은, 표면에서의 수 접촉각이 70도 이상이고, 표면에서의 n헥사데칸 접촉각이 30도 이상 70도 이하인 연료 탱크용 표면 처리 강판.

    Provided is a surface treated steel sheet for a fuel tank, the surface treated steel sheet including: a Zn plated layer or a Zn-Ni alloy plated layer which is formed on at least a surface of the steel sheet to be an inner surface of the fuel tank; and a chromate-free chemical conversion coating layer containing a water-and-oil repellent, the chromate-free chemical conversion coating layer being placed over the Zn plated layer or the Zn-Ni alloy plated layer on the surface to be the inner surface of the fuel tank. A water contact angle on a surface of the chromate-free chemical conversion coating layer is more than or equal to 70 degrees and an n-hexadecane contact angle on the surface of the chromate-free chemical conversion coating layer is more than or equal to 30 degrees and less than or equal to 70 degrees.


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    Titel :

    SURFACE-TREATED STEEL SHEET FOR FUEL TANK


    Weitere Titelangaben:

    연료 탱크용 표면 처리 강판


    Erscheinungsdatum :

    2018-12-19


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    C23C Beschichten metallischer Werkstoffe , COATING METALLIC MATERIAL / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B65D Behältnisse zur Lagerung oder zum Transport von Gegenständen oder Materialien [Container], z.B. Säcke, Beutel, Fässer, Flaschen, Dosen, Kästen, Büchsen, Schachteln, Packkörbe, Tonnen, Gläser, Flüssigkeitsbehälter, Trichtersilos, Transportbehälter , CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS / C09K Materialien für Anwendungen, soweit nicht anderweitig vorgesehen , MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR / C10M LUBRICATING COMPOSITIONS , Schmiermittelzusammensetzungen / C25D Verfahren für die elektrolytische oder elektrophoretische Herstellung von Überzügen , PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS



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