7075-T6/T651精密加工/模具用鋁合金板 化學成份分析(Chemical Composition Limit Of Aluminum Alloys)合金牌号硅Si铁Fe铜Cu锰Mn镁Mg铬Cr锌Zn钛Ti其它铝每个总计最小值70750.40.51.2-2.00.32.1-2.90.18-0.285.1-6.10.20.050.15余量  机械性能分析(Typical Mechanical Properties)铝合金牌号及状态拉伸强度屈服强度硬度延伸率 (25°C MPa)(25°C MPa)500kg力10mm球1.6mm(1/16in)  厚度ALLOY AND TEMPERUltimate Tensile StrengthTensile Yield StrengthHardnessElongation7075-T6 / T65157250315011  物理性能分析(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℉)Ωmm2/mALLOY AND TEMPERAverage Coefficient Of Thermal ExpansionApproximate Melting RangeElectrical ConductivityElectrical Resistivity7075-T65123.6475-635330.0515  概述 (Summary): 7xxx 系列为铝、锌、镁合金，商用最强力合金之一，普通抗腐蚀性能及机械性能。 This is 7xxx series aluminum, one of the highest strength, commercially available alloys with fair corrosion resistance and machinability