材料 Material :                 

                                                 鋁     Aluminium(6063-T5)

                                                 單位質量
                                                 Weigth:0.50kg/m

                                                 長度 
                                                 Length: 6.02m

                                                 集合慣性
                                                 Mass of inertia :lx:0.72cm4   ly:0.72cm4

                                                 截面慣性
                                                 Section modulus :zx:0.72cm3 zy:0.72cm3

                                                 用途
                                                 多用于輕型結構的框架制作

                                                 訂貨號  Order NO.  2020