1、矩形管理論重量表左圖中為等邊矩形管：b1、b2：為等邊邊長 t：為壁厚 x、y：為截面特性序號尺寸(mm)截面積cm2理論重量kg/m序號尺寸(mm)截面積cm2理論重量kg/mb1b2tb1b2t1251.201.140.9023903.0010.448.2021.501.411.11244.0013.7610.8031.751.631.28255.0017.0013.3542.001.841.44266.0020.1615.835302.502.752.16271004.0015.3612.0663.003.242.54285.0019.0014.927402.503.752.94296.

2、0022.5617.7183.004.443.49301204.0018.5614.5794.005.764.52315.0023.0018.0510502.504.753.73326.0027.3621.48113.005.644.43338.0035.8428.13124.007.365.78341404.0021.7617.0813602.505.754.51355.0027.0021.20143.006.845.37366.0032.1625.25154.008.967.03378.0042.2433.16165.0011.008.64381604.0024.9619.5917703.

3、008.046.31395.0031.0024.34184.0010.568.29406.0036.9629.01195.0013.0010.21418.0048.6438.1820803.009.247.25214.0012.169.55225.0015.0011.78矩形管理論重量表左圖中為不等邊矩形管： b1：為長邊邊長 b2：為短邊邊長 t：為壁厚x、y：為截面特性序號尺寸(mm)截面積cm2理論重量kg/m序號尺寸(mm)截面積cm2理論重量kg/mb1b2tb1b2t150251.201.741.3731100503.008.646.7821.502.161.70324.0011.

4、368.923302.503.752.94335.0014.0010.9943.004.443.4934120603.0010.448.2054.005.764.52354.0013.7610.80660302.504.253.34365.0017.0013.3573.005.043.96376.0020.1615.8384.006.565.1538803.0011.649.149402.504.753.73394.0015.3612.06103.005.644.43405.0019.0014.92114.007.365.78416.0022.5617.711270503.006.845.37

5、42140804.0016.9613.31134.008.967.03435.0021.0016.48145.0011.008.64446.0024.9619.591580402.505.754.51451501004.0019.3615.20163.006.845.37465.0024.0018.84174.008.967.03476.0028.5622.42185.0011.008.64488.0037.4429.3919603.008.046.3149160804.0018.5614.57204.0010.568.29505.0023.0018.05215.0013.0010.21516.0027.3621.482290403.007.445.84528.0035.8428.13234.009.767.66531801004.0021.7617.08245.0012.009.42545.0027.0021.2025503.008.046.31556.0032.1625.25264.0010.568.29568.0042.2433.16275.0013.0010.21572001004.0023.3618.3428603