Provided is a 7000-series aluminum alloy extruded material having excellent SCC resistance. The 7000-series aluminum alloy extruded material comprises: 8.1-9.0 mass % of Zn; 1.3-2.0 mass % of Mg; 0.1-0.7 mass % of Cu; at most 0.15 mass % of Si; at most 0.3 mass % of Fe; 0.005-0.2 mass % of Ti; 0.1-0.5 mass % of at least one among Mn, Cr, and Zr within a range where Mn is 0.3 mass % or less, Cr is 0.25 mass % or less, and Zr is 0.25 mass % or less; and the remainder consisting of Al and impurities, wherein a Fe-based crystallized substance is contained, and the average Cu content thereof is 5.0 mass % or less.


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    Title :

    AUTOMOTIVE DOOR BEAM MADE OF ALUMINUM ALLOY EXTRUDED MATERIAL


    Contributors:

    Publication date :

    2025-06-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    C22C Legierungen , ALLOYS / B62D MOTOR VEHICLES , Motorfahrzeuge / C22F CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS , Verändern der physikalischen Struktur von Nichteisenmetallen oder Nichteisenlegierungen



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