7N01 alloy is a Japanese alloy, where "N" is an abbreviation of Nippon (Japan). It is used for processing plates, tubes, rods, profiles, and forgings. It is a high-strength alloy with good weldability in transportation equipment. Widely used in manufacturing, but not yet registered with Aluminum Corporation of America (AA).
Chemical composition (mass%) of 7N01 alloy: Si0.30, Fe0.35, Cu0.20, Mn0.20~0.7, Mg1.0~2.0, Cr0.30, Zn4.0~5.0, Ti0.20, V0. 10, Zr 0.25, other impurities each 0.05, total 0.15, remaining Al.