典型用途：陽極氧化性能良好，用于要求有一定強度，可焊性與抗腐蝕性高的各種工業(yè)結構件，如制造卡車、塔式建筑、 船舶、電車、鐵道車輛、家具等用的板管，棒，型材。
「The alloy can be well anodized so it is applied to various structural compenent requiring medium strength,high weldability and corrosion resistance.such as plate,tube,bar and section material used in truck,tower building,vessel,trolley,railway vehicle and furniture. 」
其主要化學成份為：
Cu0.15-0.4-,Si0.4-0.8,Fe0.7-,Mn0.15-,Mg0.8-1.2-,Zn0.25-,Cr0.04-0.35-,Ti0.15-,
