AA6061-T651鋁合金化學(xué)成分
銅Cu :0.15~0.4錳Mn :0.15鎂Mg :0.8~1.2鋅Zn :0.25鉻Cr :0.04~0.35鈦Ti :0.15硅Si :0.4~0.8鐵Fe :0.7鋁Al :余量