1.成分上区别：5082 成份 Si,0.25; Fe,0.40; Cu,0.10; Mn,0.10; Mg,2.20-2.80; Cr,0.15-0.35; Zn,0.10 6061成份 Si0.40-0.80; Fe,0.70; Cu,0.15-1.40; Mn,0.15,Mg,0.8-1.20,Cr,0.04-0.35,Zn,0.252.性能上区别：5082 ...