1、表19热轧等边角钢的尺寸规格b边宽; d边厚;r内圆弧半径; r1边端内弧半径; 1( r1 = - d ); 3r2边端外弧半径; I惯性矩;i惯性半径; W截面系数;Z0重心距离角钢号数尺寸/mm截面面积/mm理论质量/(kg/m)外表面积/(m2/m)参考数值X-XXo-XoYo-YoX1-X1zo/cmbdrIx/cm4ix/cmWx/cm3ixo/cmixo/CmWxo/cm31yo/cm4iyo/cmWyo/cm3Ix1/cm4220343.51.1321.4590.8891.1450.0780.0770.400.500.590.580.290.360.630.780.750.73
2、0.450.550.170.220.390.380.200.240.811.090.600.642.525341.4321.8591.1241.4590.0980.0970.821.030.760.740.460.591.291.620.950.930.730.920.340.430.490.480.330.401.572.110.730.763.030344.51.7492.2761.3731.7860.1170.1171.461.840.910.900.680.872.312.921.151.131.091.370.610.770.590.580.510.622.713.630.850.8
3、93.6363452.1092.7563.3821.6562.1632.6540.1410.1410.1412.583.293.951.111.091.080.991.281.564.095.226.241.391.381.361.612.052.451.071.371.650.710.700.700.760.931.094.686.257.841.001.041.0744034552.3593.0863.7911.8522.4222.9760.1570.1570.1563.594.605.531.231.221.211.231.601.965.697.298.761.551.541.522.
4、012.583.101.491.912.300.790.790.780.961.191.396.418.5610.741.091.131.174.545345652.6593.4864.2925.0762.0882.7363.3693.9850.1770.1770.1760.1765.176.658.049.331.401.381.371.361.582.052.512.958.2010.5612.7414.761.761.741.721.702.583.324.004.642.142.753.333.890.890.890.880.881.241.541.812.069.1212.1815.
5、2518.361.221.261.301.3355034565.52.9713.8974.8035.6882.3323.0593.7704.4650.1970.1970.1960.1967.189.2611.2113.051.551.541.531.521.962.563.133.6811.3714.7017.7920.681.961.941.921.913.224.165.035.852.983.824.645.421.000.990.930.931.571.962.312.6312.5016.6920.9025.141.341.381.421.465.656345863.3434.3905
6、.4158.3672.6243.4464.2516.5680.2210.2200.2200.21910.1913.1816.0223.631.751.731.721.682.483.243.976.0316.1420.9225.4237.372.202.182.172.114.085.286.429.444.245.466.619.891.131.111.101.092.022.522.984.1617.5623.4329.3347.241.481.531.571.686.36345681074.9786.1437.2889.51511.6573.9074.8225.7217.4691510.
7、2480.2480.2470.2470.24619.0323.1727.1234.4641.091.961.941.931.901.884.135.086.007.759.3930.1736.7743.0354.5664.852.462.452.432.402.366.788.259.6612.2514.567.899.5711.2014.3317.331.261.251.241.231.223.293.904.465.476.3633.3541.7350.1467.1184.311.701.741.781.851.937704567885.5706.8758.1609.42410.6674.
8、3725.3976.4067.3988.3730.2750.2750.2750.2750.27426.3932.2137.7743.0948.172.182.162.152.142.125.146.327.488.599.6841.8051.0859.9368.3576.372.762.732.712.692.688.4410.3212.1113.8115.4310.9913.3415.6117.8219.981.401.391.381.381.374.174.955.676.346.9845.7457.2168.7380.2991.921.861.911.951.992.03(7.5)755
9、6781097.4128.79710.16011.50314.1265.8186.9057.9769.03011.0890.2950.2940.2940.2940.29339.9746.9553.5759.9671.982.332.312.302.282.267.328.649.9311.2013.6463.3074.3884.9695.07113.922.922.902.892.882.8411.9414.0216.0217.9321.4816.6319.5122.1824.8630.051.501.491.481.471.465.776.677.448.199.5670.5684.5598
10、.71112.97141.712.042.072.112.152.228805678107.9129.39710.8612.30315.1266.2117.3768.5259.65811.8740.3150.3140.3140.3140.31348.7957.3565.5873.4988.432.482.472.462.442.428.349.8711.3712.8315.6477.3390.98104.07116.6140.093.133.113.103.083.0413.6716.0818.4020.6124.7620.2523.7227.0930.3936.771.601.591.581
11、.571.566.667.658.589.4611.0885.36102.50119.70136.97171.742.152.192.232.272.3599067810121010.63712.30113.94417.16720.3068.3509.65610.94613.47615.940.3540.3540.3530.3530.352B2.7794.83106.47128.58149.222.792.782.762.742.7112.6114.5416.4220.0723.57131.26150.47168.97203.9236.213.513.503.483.453.4120.6323
12、.6426.5532.0437.1234.2839.1843.9753.2662.221.801.781.781.761.759.9511.1912.3514.5216.49145.87170.30194.80244.07293.762.442.482.522.592.6710100678101214161211.93213.79615.63819.26122.8026.25629.6279.36610.83012.27615.12017.89820.61123.2570.3930.3930.3930.3920.3910.3910.390114.95131.86148.24179.51208.
13、90236.53262.533.103.093.083.053.033.002.9815.6818.1020.4725.0629.4833.7337.82181.98208.97235.07284.68330.95374.06414.163.903.893.883.843.813.773.7425.7429.5533.2440.2646.8052.9058.5747.9254.7461.4174.3586.8499.00110.892.001.991.981.961.951.941.9412.6914.2615.7518.5421.0823.4425.63200.07233.54267.093
14、34.48402.34470.75539.802.672.712.762.842.912.993.06111107810121415.19617.23821.26125.20029.05611.92813.53216.69019.78222.8090.4330.4330.4320.4310.431177.16199.46242.19282.55320.713.413.403.383.353.3222.0524.9530.6036.0541.31280.94316.49384.39448.17508.014.304.284.254.224.1836.1240.6949.4257.6265.317
15、3.3882.4299.98116.93133.402.202.192.172.152.1417.5119.3922.9126.1529.14310.64355.20444.65534.60625.162.963.013.093.163.2412.512581012141419.75024.37328.91233.36715.50419.13322.69626.1930.4920.4910.4910.490297.03361.67423.16481.653.883.853.833.8032.5239.9741.1754.16470.89573.89671.44763.734.884.854.8
16、24.7853.2864.9375.9686.41123.16149.46174.88199.572.502.482.462.4525.8630.6235.0339.13521.01651.93783.42915.613.373.453.533.61141401012141627.37332.51237.56742.53921.48825.52229.49033.3930.5510.5510.5500.549514.65603.68688.81770.244.344.314.284.2650.5859.8068.7577.46817.27958.791093.561221.815.465.43
17、5.405.3682.5696.85110.47123.42212.04248.57284.06318.672.782.762.752.7439.2045.0250.4555.55915.111099.281284.221470.073.823.903.984.0616160101214161631.50237.44143.29649.06724.72929.39133.98738.5180.6300.6300.6290.629779.53916.581048.361175.084.984.954.924.8966.7078.9890.95102.631237.301455.681665.02
18、1865.576.276.246.206.17109.36128.67147.17164.89321.76377.49431.70484.593.203.183.163.1452.7660.7468.2475.311365.331639.571914.682190.824.314.394.474.55181801214161842.24148.89655.46761.95533.15938.38343.54248.6340.7100.7090.7090.7091321.351514.481700.991875.125.595.565.545.50100.82116.25131.13145.64
19、2100.102407.422703.372988.247.057.026.986.94165.00189.14212.40234.78542.61621.53698.60762.013.583.583.553.5178.4188.3897.83105.142332.802723.483115.293502.434.894.975.055.132020014161820241854.64262.01369.30176.50590.66142.89448.68054.40160.05671.1680.7880.7880.7870.7870.7852103.552366.152620.642867
20、.303338.256.206.186.156.126.07144.70163.65182.22200.42236.173343.263760.894164.544554.555294.977.827.797.757.727.64236.40265.93294.48322.06374.41863.83971.411076.741180.041381.533.983.963.943.933.90111.82123.96135.52146.55166.553734.104270.394808.135347.516457.165.465.545.625.695.87注:截面图中的r1=1/3d及表中r表20热轧等边角钢的允许偏差和长度角钢号数边宽b/mm边厚d/mm长度/m角钢号数边宽b/mm边厚d/mm长度/m25.66.390.81.20.40.6412412101416201.82.50.71.0419619