热轧等边角钢（GB／T9787--1988）(1)尺寸规格见表1 (2)允许偏差见表2 表1 热轧等边角钢的尺寸规格 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-Xlzo／cmbdrIx/cm4ix／cmWx／ cm3ixo/cmixo／ CmWxo/ cm31yo/ cm4iyo／cmWyo／ cm3Ix1/ cm4220343.51.132 1.4590.889 1.1450.078 0.077O.40 O.500.59 O.580.29 O.360.63 O.780.75 0.730.45 0.550.17 O.22O.39 0.38O.20 0.24O.81 1.09O.60 0.642.525341.432 1.8591.124 1.4590.098 O.0970.82 1.030.76 O.740.46 O.591.29 1.62O.95 O.930.73 O.92O.34 0.430.49 O.48O.33 0.401.57 2.110.73 O.763.030344.51.749 2.2761.373 1.786O.117 0.1171.46 1.84O.9l 0.90O.68 0.872.3l 2.921.15 1.131.09 1.37O.61 0.770.59 O.58O.51 O.622.7l 3.630.85 O.893.6363452.109 2.756 3.3821.656 2.163 2.654O.14l 0.141 O.1412.58 3.29 3.951.1l 1.09 1.08O.99 1.28 1.564.09 5.22 6.241.39 1.38 1.361.6l 2.05 2.451.07 1.37 1.650.7l 0.70 O.70O.76 O.93 1.094.68 6.25 7.841.00 1.04 1.0744034552.359 3.086 3.7911.852 2.422 2.976O.157 0.157 O.1563.59 4.60 5.531.23 1.22 1.211.23 1.60 1.965.69 7.29 8.761.55 1.54 1.522.01 2.58 3.101.49 1.91 2.30O.79 0.79 O.78O.96 1.19 1.396.4l 8.56 10.741.09 1.13 1.174.545345652.659 3.486 4.292 5.0762.088 2.736 3.369 3.9850.177 O.177 0.176 O.1765.17 6.65 8.04 9.331.40 1.38 1.37 1.361.58 2.05 2.51 2.958.20 10.56 12.74 14.761.76 1.74 1.72 1.702.58 3.32 4.00 4.642.14 2.75 3.33 3.890.89 0.89 0.88 0.881.24 1.54 1.8l 2.069.12 12.18 15.25 18.361.22 1.26 1.30 1.3355034565.5 2.97l 3.897 4.803 5.6882.332 3.059 3.770 4.465O.197 O.197 O.196 0.1967.18 9.26 11.2l 13.051.55 1.54 1.53 1.521.96 2.56 3.13 3.6811.37 14.70 17.79 20.681.96 1.94 1.92 1.913.22 4.16 5.03 5.852.98 3.82 4.64 5.421.00 0.99 O.93 0.931.57 1.96 2.3l 2.6312.50 16.69 20.90 25.141.34 1.38 1.42 1.465.6 56 345863.343 4.390 5.415 8.3672.624 3.446 4.251 6.5680.22l 0.220 O.220 O.21910.19 13.18 16.02 23.631.75 1.73 1.72 1.682.48 3.24 3.97 6.0316.14 20.92 25.42 37.372.20 2.18 2.17 2.114.08 5.28 6.42 9.444.24 5.46 6.61 9.891.13 1.11 1.10 1.092.02 2.52 2.98 4.1617.56 23.43 29.33 47.241.48 1.53 1.57 1.686.3634568lO74.978 6.143 7.288 9.515 11.6573.907 4.822 5.721 7.469 15l0.248 O.248 O.247 O.247 O.24619.03 23.17 27.12 34.46 41.091.96 1.94 1.93 1.90 1.884.13 5.08 6.oo 7.75 9.3930.17 36.77 43.03 54.56 64.852.46 2.45 2.43 2.40 2.366.78 8.25 9.66 12.25 14.567.89 9.57 11.20 14.33 17.331.26 1.25 1.24 1.23 1.223.29 3.90 4.46 5.47 6.3633.35 41.73 50.14 67.1l 84.311.70 1.74 1.78 1.85 1.937704567885.570 6.875 8.160 9.424 10.6674.372 5.397 6.406 7.398 8.3730.275 O.275 O.275 O.275 0.27426.39 32.21 37.77 43.09 48.172.18 2.16 2.15 2.14 2.125.14 6.32 7.48 8.59 9.6841.80 51.08 59.93 68.35 76.372.76 2.73 2.7l 2.69 2.688.44 10.32 12.1l 13.81 15.43lO.99 13.34 15.6l 17.82 19.981.40 1.39 1.38 1.38 1.374.17 4.95 5.67 6.34 6.9845.74 57.21 68.73 80.29 91.921.86 1.91 1.95 1.99 2.03(7.5)7556781097.412 8.797 10.160 11.503 14.1265.818 6.905 7.976 9.030 11.0890.295 O.294 O.294 O.294 0.29339.97 46.95 53.57 59.96 71.982.33 2.31 2.30 2.28 2.267.32 8.64 9.93 11.20 13.6463.30 74.38 84.96 95.07 113.922.92 2.90 2.89 2.88 2.8411.94 14.02 16.02 17.93 21.4816.63 19.51 22.18 24.86 30.051.50 1.49 1.48 1.47 1.465.77 6.67 7.44 8.19 9.5670.56 84.55 98.71 112.97 141.712.04 2.07 2.11 2.15 2.22880567810 7.912 9.397 10.86 12.303 15.1266.211 7.376 8.525 9.658 11.874O.315 O.314 0.314 0.314 0.31348.79 57.35 65.58 73.49 88.432.48 2.47 2.46 2.44 2.428.34 9.87 11.37 12.83 15.6477.33 90.98 104.07 116.6 140.093.13 3.11 3.10 3.08 3.0413.67 16.08 18.40 20.6l 24.7620.25 23.72 27.09 30.39 36.771.60 1.59 1.58 1.57 1.566.66 7.65 8.58 9.46 11.0885.36 102.50 119.70 136.97 171.742.15 2.19 2.23 2.27 2.35990678lO1210lO.637 12.301 13.944 17.167 20.3068.350 9.656 10.946 13.476 15.94O.354 O.354 O.353 0.353 O.352B2.77 94.83 106.47 128.58 149.222.79 2.78 2.76 2.74 2.7112.61 14.54 16.42 20.07 23.57131.26 150.47 168.97 203.9 236.213.51 3.50 3.48 3.45 3.4120.63 23.64 26.55 32.04 37.1234.28 39.18 43.97 53.26 62.221.80 1.78 1.78 1.76 1.759.95 11.19 12.35 14.52 16.49145.87 170.30 194.80 244.07 293.762.44 2.48 2.52 2.59 2.671O100678101214161211.932 13.796 15.638 19.261 22.80 26.256 29.6279.366 10.830 12.276 15.120 17.898 20.611 23.257O.393 O.393 0.393 0.392 O.391 O.391 0.390114.95 131.86 148.24 179.51 208.90 236.53 262.533.10 3.09 3.08 3.05 3.03 3.00 2.9815.68 18.10 20.47 25.06 29.48 33.73 37.82181.98 208.97 235.07 284.68 330.95 374.06 414.163.90 3.89 3.88 3.84 3.81 3.77 3.7425.74 29.55 33.24 40.26 46.80 52.90 58.5747.92 54.74 61.41 74.35 86.84 99.00 110.892.00 1.99 1.98 1.96 1.95 1.94 1.9412.69 14.26 15.75 18.54 21.08 23.44 25.63200.07 233.54 267.09 334.48 402.34 470.75 539.802.67 2.71 2.76 2.84 2.91 2.99 3.06111107810121415.196 17.238 21.26l 25.200 29.05611.928 13.532 16.690 19.782 22.8090.433 0.433 0.432 0.43l 0.43l177.16 199.46 242.19 282.55 320.713.41 3.40 3.38 3.35 3.3222.05 24.95 30.60 36.05 41.31280.94 316.49 384.39 448.17 508.014.30 4.28 4.25 4.22 4.1836.12 40.69 49.42 57.62 65.3173.38 82.42 99.98 116.93 133.402.20 2.19 2.17 2.15 2.1417.51 19.39 22.91 26.15 29.14310.64 355.20 444.65 534.60 625.162.96 3.01 3.09 3.16 3.2412.512581012141419.750 24.373 28.912 33.36715.504 19.133 22.696 26.193O.492 O.49l 0.491 O.490297.03 361.67 423.16 481.653.88 3.85 3.83 3.8032.52 39.97 41.17 54.16470.89 573.89 671.44 763.734.88 4.85 4.82 4.7853.28 64.93 75.96 86.41123.16 149.46 174.88 199.572.50 2.48 2.46 2.4525.86 30.62 35.03 39.13521.01 651.93 783.42 915.613.37 3.45 3.53 3.611414010121416 27.373 32.512 37.567 42.53921.488 25.522 29.490 33.3930.551 0.551 O.550 O.549514.65 603.68 688.81 770.244.34 4.31 4.28 4.2650.58 59.80 68.75 77.46817.27 958.79 1093.56 122l.815.46 5.43 5.40 5.3682.56 96.85 110.47 123.42212.04 248.57 284.06 318.672.78 2.76 2.75 2.7439.20 45.02 50.45 55.55915.11 1099.28 1284.22 1470.073.82 3.90 3.98 4.0616160lO121416 1631.502 37.44l 43.296 49.06724.729 29.391 33.987 38.5180.630 O.630 O.629 0.629779.53 916.58 1048.36 1175.084.98 4.95 4.92 4.8966.70 78.98 90.95 102.631237.30 1455.68 1665.02 1865.576.27 6.24 6.20 6.17109.36 128.67 147.17 164.89321.76 377.49 431.70 484.593.20 3.18 3.16 3.1452.76 60.74 68.24 75.311365.33 1639.57 1914.68 2190.824.31 4.39 4.47 4.55181801214161842.241 48.896 55.467 61.95533.159 38.383 43.542 48.6340.710 0.709 0.709 0.7091321.35 1514.48 1700.99 1875.125.59 5.56 5.54 5.50100.82 116.25 131.13 145.642100.10 2407.42 2703.37 2988.247.05 7.02 6.98 6.94165.00 189.14 212.40 234.78542.61 621.53 698.60 762.0l3.58 3.58 3.55 3.5178.41 88.38 97.83 105.142332.80 2723.48 3115.29 3502.434.89 4.97 5.05 5.13202001416182024 18 54.642 62.013 69.301 76.505 90.66142.894 48.680 54.401 60.056 71.1680.788 0.788 O.787 0.787 O.7852103.55 2366.15 2620.64 2867.30 3338.256.20 6.18 6.15 6.12 6.07144.70 163.65 182.22 200.42 236.173343.26 3760.89 4164.54 4554.55 5294.977.82 7.79 7.75 7.72 7.64236.40 265.93 294.48 322.06 374.41863.83 971.41 1076.74 1180.04 1381.533.98 3.96 3.94 3.93 3.90111.82 123.96 135.52 146.55 166.553734.10 4270.39 4808.13 5347.51 6457.165.46 5.54 5.62 5.69 5.87注：截面图中的r1=1/3d及表中r 表2 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／m2～5.6 6 .3～9±O.8 士1.2±0.4 士O.64～12 4～1210～14 16～20±1.8 土2.5±0.7 士1.O4～19 6～19。