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7075鋁板的物理特性及機械性能：             7075-T6鋁板的物理特性及機械性能：抗拉強度524Mpa

0.2%屈服強度                                                          化學成分：硅si；0.4

455Mpa：伸長率11%，                                                   鐵Fe；0.5

彈性模量E/Gpa：71                                                     銅CU；1.2-2.0

硬度150HB                                                             錳Mn；0.3

密度：2810。                                                          鎂Mg；2.1-2.9

                                                                     鉻Cr；0.18-0.28

                                                                     鋅Zn；5.1-6.1

                                                                     鈦Ti；0.2