An automotive framework member 1 includes a first steel sheet 10, a second steel sheet 20, and a first weld metal part 40 joining an interface between the first steel sheet 10 and the second steel sheet 20, in which tensile strength of the first steel sheet 10 is 1.0 GPa or more and 1.6 GPa or less, tensile strength of the second steel sheet 20 is 1.8 GPa or more and 2.5 GPa or less, the first steel sheet 10 includes a groove part 18, the second steel sheet 20 is overlapped with the groove part 18, and a minimum Vickers hardness of a region within 4 mm of a periphery of the first weld metal part 40 of the second steel sheet 20 is 80% or more of a hardness of an outside of the region of the second steel sheet 20.


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    Titel :

    AUTOMOBILE FRAME MEMBER


    Weitere Titelangaben:

    RAHMENELEMENT FÜR AUTOMOBIL
    ÉLÉMENT DE CHÂSSIS DE VÉHICULE AUTOMOBILE


    Beteiligte:
    ITO YASUHIRO (Autor:in) / FUJIMOTO HIROKI (Autor:in)

    Erscheinungsdatum :

    26.07.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B23K Löten , SOLDERING OR UNSOLDERING / B62D MOTOR VEHICLES , Motorfahrzeuge



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