There is provided an exterior panel including a steel sheet, the steel sheet including a flat portion, wherein in an outer-layer region of the flat portion, a microstructure contains, in volume fraction, ferrite of 80% or more, an average grain diameter of ferrite is 1.0 to 15.0 µm, an intensity ratio XODF{001}/{111},S of ferrite is 0.30 or more to less than 3.50, when uEl1 denotes a uniform elongation measured with a tensile test specimen cut from the flat portion, and uEl2 denotes a theoretical uniform elongation that is derived from volume fractions, hardnesses, and average grain diameters of ferrite and martensite in a microstructure of an inside region of the flat portion, and a sheet thickness of the flat portion, uEl1/uEl2 is 0.44 to 0.80.


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    Title :

    EXTERIOR PANEL AND AUTOMOBILE EQUIPPED WITH SAME


    Additional title:

    AUSSENPANEEL UND DAMIT AUSGESTATTETES AUTOMOBIL
    PANNEAU EXTÉRIEUR ET AUTOMOBILE ÉQUIPÉE DE CELUI-CI


    Contributors:

    Publication date :

    2023-11-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    C22C Legierungen , ALLOYS / B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL , Bearbeiten oder Verarbeiten von Blechen, Metallrohren, -stangen oder -profilen ohne wesentliches Abtragen des Werkstoffs / B62D MOTOR VEHICLES , Motorfahrzeuge / C21D Veränderung der physikalischen Struktur von Eisenmetallen , MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS



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