化学成分范围

0.4～0.8Si, 0.70Femax, 0.15～0.40Cu, 0.15Mnmax,0.80～1.20Mg, 0.04～0.35Cr, 0.25Znmax, 0.15Timax, 其他每种成分高含量0.05，其他成分大总含量0.15,余量为Al。物理性能铝合金的典型物理性能(Typical Physical Properties)铝合金牌号及状态热膨胀系数 (20-100℃)μm/m·k熔点范围(℃)电导率20℃(68℉)(%IACS)电阻率20℃(68℉)Ωm㎡/m密度(20℃)(g/cm³)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机械性能铝合金的典型机械性能(Typical Mechanical Properties)铝合金牌号及状态拉伸强度(25°C MPa)屈服强度(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