常用材料规格性能表.xls

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矩形空心型钢的规格及截面特性 回首页 边长尺寸允许偏差壁厚理论重量截面面积惯性矩回转半径 (mm)(mm)(cm4)(cm) AB普通精度 较高精度 (mm)(kg/m)(cm2)IxIyrxry 251.21.3381.7055.5021.8751.7961.048 1.51.6502.1026.6532.2531.7791.035 501.000.502.52.8173.58911.2965.051.7741.186 3.03.3034.20812.8275.6961.7451.163 304.04.1985.31715.2396.6821.6881.117 2.53.2094.08917.9335.9982.0941.211 3.03.7744.80820.4966.7942.0641.188 604.04.8266.14724.6918.0452.0041.143 2.53.6024.58922.06911.7342.1921.599 401.200.603.04.2455.40825.37413.4362.1661.576 4.05.4546.94730.97416.2