A S I x=I y Wx=Wy A S I x=I y Wx=Wy 0.8 0.348 0.273 0.0739 0.123 3.5 5.60 4.40 16.43 7.30 1 0.423 0.332 0.8730 0.146 4 6.23 4.89 18.07 8.03 1 0.503 0.395 0.144 0.206 5 7.58 5.95 20.90 9.29 1.5 0.712 0.559 0.192 0.274 6 8.75 6.87 23.19 10.31 1 0.583 0.458 0.222 0.278 7 9.81 7.70 24.97 11.10 1.5 0.932 0.732 0.300 0.374 8 10.80 8.48 26.30 11.59 1 0.663 0.520 0.324 0.360 4 7.09 5.57 25.56 10.22 1.5 0.
方形钢管尺寸规格表 基本尺寸 截面面积 F/cm2 理论质量 G/ (kg/ m) 惯性矩 Jx=Jy/ cm4 截面系数 Wx=Wy/ cm3 A S mm 12 O.8 1.0 O.348 0 423 O.273 0.332 O.0739 O.0873 O.123 O.146 14 1.0 ? 1.5 0.503 O.712 O.394 O.559 0.144 O.192 O.206 0.274 16 1.O 1.5 O.583 O.832 O.458 0.653 O.222 O.300 O.278 O.374 18 1.O 1.5 2.O 0.663 0.952 1.21 O.521 0.747 O.952 O.324 O.442 0.535 O.360 O.491 0.59