化學成分範圍
0.4∼0.8Si, 0.70Femax, 0.15∼0.40Cu, 0.15Mnmax,0.80∼1.20Mg, 0.04∼0.35Cr, 0.25Znmax, 0.15Timax, 其他每種成分高含量0.05，其他成分大總含量0.15,餘量為Al。物理性能鋁合金的典型物理性能(Typical Physical Properties)鋁合金牌號及狀態熱膨脹係數 (20-100℃)μm/m·k熔點範圍(℃)電導率20℃(68℉)(%IACS)電阻率20℃(68℉)Ωm㎡/m密度(20℃)(g/cm?)2024-T35123.2500∼635300.0582.825052-H11223.8607∼650350.0502.725083-H11223.4570∼640290.0592.726061-T65123.6580∼650430.0402.737050-T65123.5490∼630410.04152.827075-T65123.6475∼635330.05152.82機械性能鋁合金的典型機械性能(Typical Mechanical Properties)鋁合金牌號及狀態拉伸強度(25°C MPa)屈服強度(25°C MPa)硬度500kg力10mm球延伸率1.6mm(1/16in)厚度5052-H11217519560125083-H11218021165146061-T65131027695127050-T651510455135107075-T651572503150112024-T35147032512020