矩形钢管尺寸表

冷弯矩形空心型钢尺寸规格(摘自GB/T6728—2002)边长/mm尺寸答应偏差/mm壁厚/mm理论重量/kg·m-1截面面积/cm2回转半径/cm惯性积矩/cm4截面模数/cm3扭转常数AB普通精度较高精度IxIYrxrYWxWYIt/cm4Wt/cm35025±1.00±0.501.21.3381.7055.5021.8751.7961.0482.2001.5004.5342.7801.51.6502.1026.6532.2531.7791.0352.6611.8025.5193.40630±1.00±0.502.52.8173.58911.2965.0501.7741.1864.5183.36611.6666.4703.03.3034.20812.8275.6961.7451.1635.1303.79713.4017.5094.04.1985.34715.2396.6821.6881.1176.0954.45516.2449.3206030±1.20±0.602.53.2094.08917.9335.9982.0941.2115.9773.99815.0547.8453.03.7744.80820.4966.7942.0641.1886.8324.52917.3359.1294.04.8266.14724.6918.0452.0041.1438.2305.36321.14111.40040±1.20±0.602.53.6024.58922.06911.7342.1921.5997.3565.86725.04510.7203.04.2455.40825.37413.4362.1661.5768.4586.71829.12112.5494.05.4546.94730.97416.2692.1111.53010.3248.13436.29815.8807050±1.20±0.603.05.1876.60844.04626.0992.5181.98712.5841043953.42618.7894.06.7108.54754.66332.2102.5281.94115.61812.88467.61324.0405.08.12910.35663.43537.1792.4741.89418.12414.87179.90828.7678040±1.40±0.702.54.3875.58945.10315.2552.8401.65211.2757.62737.46714.4703.05.1876.60852.24617.5522.8111.62913.0618.77643.68019.9894.06.7108.54764.78021.4742.7521.58516.19510.73754.78721.6405.08.12910.35675.08024.5672.6921.54018.77012.28364.11025.76760±1.40±0.703.06.1297.80870.04244.8862.9952.39717.51014.96288.11126.2294.07.96610.14787.90556.1052.9432.35121.97618.701112.58333.8005.09.69912.356103.24765.6342.8902.30425.81121.878134.50340.7679040±1.50±0.753.05.6587.20870.48719.6103.1271.64915.6639.80551.19319.2094.07.3389.34787.89424.0773.0661.60419.53212.03864.32024.5205.08.91411.356102.48727.6513.0041.56022.77413.82575.42629.26750±1.50±0.753.06.1297.80881.84532.7353.2372.04718.18713.09476.43324.4294.07.96610.147102.69640.6953.1812.00222.82116.27897.16231.4005.09.69912.356120.57047.3453.1231.95726.79318.938115.43637.76760±1.50±0.753.06.6008.40893.20349.7643.3292.43220.71116.588104.55229.6494.08.59410.947117.49962.3873.2762.38726.11120.795133.85238.280(表二)边长/mm尺寸答应偏差/mm壁厚/mm理论重量/kg·m-1截面面积/cm2回转半径/cm惯性积矩/cm4截面模数/cm3扭转常数AB普通精度较高精度IxIYrxrYWxWYIt/cm4Wt/cm310050±1.60±0.803.06.6008.408106.45136.0533.5582.07021.29014.42188.31127.2494.08.59410.947134.12444.9383.5002.02626.82417.975112.40935.0805.010.48413.356158.15552.4293.4411.98131.63120.971133.75842.26712060±1.80±0.903.08.01310.208189.11364.3984.3042.51131.51821.466156.02939.9094.010.47813.347240.72481.2354.2462.46640.12027.078200.40751.7205.012.83916.356286.94195.9684.1882.42247.82331.989240.86962.7676.015.09719.232327.950108.7164.1292.37754.65836.238277.36173.03780±1.80±0.903.08.95511.408230.189123.4304.4913.28938.36430.857255.12853.9494.011.73414.947294.569157.28144393.23449.09439.320330.43870.2805.014.40918.356353.108187.7474.3853.19858.85146.936400.73585.7676.016.98121.632405.998214.9774.3323.15267.66653.744465.940100.39714080±2.00±1.004.012.99016.547429.582180.4075.0953.30161.36845.101410.71382.4405.015.97920.356517.023215.9145.0393.25673.86053.978498.815118.156.018.86524.032596.935247.9054.9833.21185.27661.976580.919111.880150100±2.40±1.204.014.87418.947594.585318.5515.6014.10079.27863.710660.613137.2675.018.33423.356719.164383.9885.5494.05495.88876.797806.733161.5976.021.69127.632834.615444.1355.4954.009111.28288.827945.022207.0468.028.06935.7911039.101549.3085.3883.917138.546109.8611197.70194.60016080±2.40±1.204.014.24618.147597.691203.5325.7383.34874.71150.883493.129115.7675.017.54922.356721.650244.0805.6813.30490.20661.020599.475135.9176.020.74926.432835.936280.8335.6233.259104.49270.208698.844173.1268.026.84034.1911036.485343.5995.5053.170129.56085.899876.599134.920180100±2.60±1.304.016.75821.347926.020373.8796.5864.184102.89174.775852.708165.7675.020.68926.3561124.156451.7386.5304.140124.90690.3471042.589195.4376.024.51731.2321809.531523.7676.4754.095145.503104.7531222.933251.2068.031.86440.5911643.149651.1326.3624.005182.572130.2261554.606150.280200100±2.60±1.304.018.01422.9471199.680410.7647.2304.230119.96882.152984.151184.7675.022.25928.3561459.207496.9057.1734.186145.92099.3811203.928184.7676.026.40133.6321703.224576.8557.1164.141170.322115.3711412.986217.9978.034.37643.7912145.993719.0417.0004.052214.599143.8021798.554208.646