1、热轧等边角钢（GBT9787-1988）(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 参考数值尺 寸mmX-X Xo-Xo Yo-Yo X1-Xl角钢号数b d r截面面积 /mm理论质量(kgm)外表面积(m2m)Ix/cm4ixcmWx cm3 ixo/cmixo CmWxo/ cm31yo/ cm4iyocmWyo cm3Ix1/ cm4zocm2 20 34 1.132 1.4590.889 1.1450.078 0.077O.40 O.500.59 O.580.29 O.36 0.63 O.780.75 0.730.45 0.550.17 O.2
2、2O.39 0.38O.20 0.24O.81 1.09O.60 0.642.5 25 343.51.432 1.8591.124 1.4590.098 O.0970.82 1.030.76 O.740.46 O.59 1.29 1.62O.95 O.930.73 O.92O.34 0.430.49 O.48O.33 0.401.57 2.110.73 O.763.0 30 34 1.749 2.2761.373 1.786O.117 0.1171.46 1.84O.9l 0.90O.68 0.87 2.3l 2.921.15 1.131.09 1.37O.61 0.770.59 O.58O.
3、51 O.622.7l 3.630.85 O.893.6 36 3454.52.109 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 1.074 40 345 5 2.359 3.086 3.7911.852 2.422 2.976O.157 0.157
4、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 1.174.5 45 3456 5 2.659 3.486 2.088 0.17 5.17 1.4 1.58 2.05 8.20 10.56 1.7 2.58 2.14 0.8 1.24 9.12 1.24.292 5.0762.736 3.369 3.9857 O.177 0.176
5、O.1766.65 8.04 9.330 1.38 1.37 1.362.51 2.95 12.74 14.76 6 1.74 1.72 1.703.32 4.00 4.642.75 3.33 3.899 0.89 0.88 0.881.54 1.8l 2.0612.18 15.25 18.362 1.26 1.30 1.335 50 3456 5.5 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 3.1
6、3 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 3458 63.343 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
7、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 1.686.3 63 4568lO 74.978 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
8、.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 1.937 70 45678 85.570 6.875 8.160 9.424 10.6674.37
9、2 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
10、 68.73 80.29 91.921.86 1.91 1.95 1.99 2.03(7.5 75 567810 9 7.412 8.797 5.818 0.29 39.97 2.3 7.32 8.64 63.30 74.38 2.9 11.94 16.63 1.5 5.77 70.56 2.0) 10.160 11.503 14.1266.905 7.976 9.030 11.0895 O.294 O.294 O.294 0.29346.95 53.57 59.96 71.983 2.31 2.30 2.28 2.269.93 11.20 13.6484.96 95.07 113.922 2
11、.90 2.89 2.88 2.8414.02 16.02 17.93 21.4819.51 22.18 24.86 30.050 1.49 1.48 1.47 1.466.67 7.44 8.19 9.5684.55 98.71 112.97 141.714 2.07 2.11 2.15 2.228 80 567810 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
12、 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 2.359 90 678lO12 10lO.637 12.301 13.944 17.167 20.306
13、8.350 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、 14.52 16.49145.87 170.30 194.80 244.07 293.762.44 2.48 2.52 2.59 2.671O 100 6781012141611.932 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
15、 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
16、267.09 334.48 402.34 470.75 539.802.67 2.71 2.76 2.84 2.91 2.99 3.0611 110 781012141215.196 11.92 0.43 177.16 3.4 22.05 24.95 280.94 4.3 36.12 73.38 2.2 17.51 310.64 2.917.238 21.26l 25.200 29.0568 13.532 16.690 19.782 22.8093 0.433 0.432 0.43l 0.43l199.46 242.19 282.55 320.711 3.40 3.38 3.35 3.3230
17、.60 36.05 41.31316.49 384.39 448.17 508.010 4.28 4.25 4.22 4.1840.69 49.42 57.62 65.3182.42 99.98 116.93 133.400 2.19 2.17 2.15 2.1419.39 22.91 26.15 29.14355.20 444.65 534.60 625.166 3.01 3.09 3.16 3.2412.5 125 8101214 1419.750 24.373 28.912 33.36715.504 19.133 22.696 26.193O.492 O.49l 0.491 O.4902
18、97.03 361.67 423.16 481.653.88 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 3.6114 140 10121416 27.373 32.512 37.567 42.53921.48
19、8 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
20、 4.0616 160 lO12141631.502 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
21、.74 68.24 75.311365.33 1639.57 1914.68 2190.824.31 4.39 4.47 4.5518 180 121416181642.241 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
22、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 5.1320 200 1416182024 18 54.642 62.013 69.301 42.894 48.680.788 0.782103.55 2366.16.20 6.1144.70 163.65 182.22 3343.26 3760.89 4164.54 7.82 7.7236.40 265.9863.83 971.41 10
23、76.73.98 3.9111.82 123.93734.10 4270.35.46 5.576.505 90.6610 54.401 60.056 71.1688 O.787 0.787 O.7855 2620.64 2867.30 3338.258 6.15 6.12 6.07200.42 236.174554.55 5294.979 7.75 7.72 7.643 294.48 322.06 374.414 1180.04 1381.536 3.94 3.93 3.906 135.52 146.55 166.559 4808.13 5347.51 6457.164 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 bmm 边厚 dmm 长度m 角钢号数 边宽 bmm 边厚 dmm 长度m25.6 6 .39 O.8 士 1.2 0.4 士 O.6 412 4121014 1620 1.8 土 2.5 0.7 士 1.O419 619
