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.
AUTOMOTIVE DOOR BEAM MADE OF ALUMINUM ALLOY EXTRUDED MATERIAL
2025-06-05
Patent
Electronic Resource
English
AUTOMOTIVE DOOR BEAM MADE OF ALUMINUM ALLOY EXTRUDED MATERIAL
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