热轧等边角钢的尺寸规格(国标角铁)
(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 尺 寸／mm 角钢 号数 b d 理论 外表 截面 面积 r /mm 质量 面积 ／(kg／(m2／m) ／m) Ix/cm4 X-X ix／cm 0.59 Wx／ cm3 0.29 参考数值 Xo-Xo ixo／ Wxo/ Cm cm3 0.75 0.45 1yo/ cm4 0.17 Yo-Yo iyo／cm Wyo／ cm3 X1-Xl Ix1/ cm4 zo／cm ixo/cm 2 20 34 3.5 1.132 0.889 0.078 O.40 1.459 1.145 0.077 O.50 1.432 1.124 0.098 0.82 1.859 1.459 O.097 1.03 1.749 1.373 O.117 1.46 2.276 1.786 0.117 1.84 4.5 2.109 1.656 O.14l 2.58 0.63 O.78 1.29 1.62 2.3l 2.92 4.09 5.22 6.24 5.69 7.29 8.76 8.20 10.56 12.74 14.76 11.37 14.70 17.79 20.68 16.14 20.92 25.42 37.37 30.17 36.77 43.03 54.56 64.85 41.80 O.39 O.20 O.81 0.38 0.24 1.09 0.49 O.33 1.57 O.60 0.64 0.73 O.76 0.85 O.89 1.00 1.04 1.07 1.09 1.13 1.17 1.22 1.26 1.30 1.33 1.34 1.38 1.42 1.46 1.48 1.53 1.57 1.68 1.70 1.74 1.78 1.85 1.93 1.86 O.58 O.36 0.76 0.46 0.73 0.55 O.22 O.95 0.73 O.34 2.5 25 34 O.74 O.59 O.9l O.68 O.93 O.92 0.43 1.15 1.09 O.61 O.48 0.40 2.11 0.59 O.51 2.7l 3.0 30 34 0.90 0.87 1.1l 1.09 O.99 1.28 1.13 1.37 0.77 1.39 1.38 1.6l 2.05 1.07 1.37 O.58 O.62 3.63 0.7l 0.70 O.76 4.68 O.93 6.25 3.6 36 345 2.756 2.163 0.141 3.29 3.382 2.654 O.141 3.95 2.359 1.852 O.157 3.59 1.08 1.56 1.23 1.22 1.23 1.60 1.36 2.45 1.65 1.55 1.54 2.01 2.58 1.49 1.91 O.70 1.09 7.84 O.79 O.96 6.4l 0.79 1.19 8.56 O.78 1.39 10.74 0.89 0.89 0.88 1.24 9.12 1.54 12.18 1.8l 15.25 4 40 345 5 3.086 2.422 0.157 4.60 3.791 2.976 O.156 5.53 2.659 2.088 0.177 5.17 1.21 1.96 1.40 1.38 1.37 1.58 2.05 2.51 1.52 3.10 2.30 1.76 1.74 1.72 2.58 3.32 4.00 2.14 2.75 3.33 4.5 45 3456 5 3.486 2.736 O.177 6.65 4.292 3.369 0.176 8.04 5.076 3.985 O.176 9.33 2.97l 2.332 O.197 7.18 1.36 2.95 1.55 1.54 1.53 1.96 2.56 3.13 1.70 4.64 3.89 1.96 1.94 1.92 3.22 4.16 5.03 2.98 3.82 4.64 0.88 2.06 18.36 1.00 0.99 1.57 12.50 1.96 16.69 20.90 5 50 3456 5.5 3.897 3.059 O.197 9.26 4.803 3.770 O.196 11.2l 5.688 4.465 0.196 13.05 3.343 2.624 0.22l 10.19 O.93 2.3l 1.52 3.68 1.75 1.73 1.72 2.48 3.24 3.97 1.91 5.85 5.42 2.20 2.18 2.17 4.08 5.28 6.42 4.24 5.46 6.61 0.93 2.63 25.14 1.13 1.11 1.10 2.02 17.56 2.52 23.43 2.98 29.33 5.6 56 3458 6 4.390 3.446 0.220 13.18 5.415 4.251 O.220 16.02 8.367 6.568 O.219 23.63 4.978 3.907 0.248 19.03 6.143 4.822 O.248 23.17 1.68 6.03 1.96 1.94 1.93 1.90 4.13 5.08 6.oo 7.75 2.11 9.44 9.89 2.46 2.45 2.43 2.40 6.78 8.25 9.66 7.89 9.57 11.20 1.09 4.16 47.24 1.26 1.25 1.24 1.23 3.29 33.35 3.90 41.73 4.46 50.14 5.47 67.1l 6.3 63 4568lO 7 7.288 5.721 O.247 27.12 9.515 7.469 O.247 34.46 11.657 15l O.246 41.09 12.25 14.33 1.88 9.39 2.18 5.14 2.36 14.56 17.33 2.76 8.44 lO.99 1.22 6.36 84.31 1.40 4.17 45.74 7 70 45678 8 5.570 4.372 0.275 26.39 6.875 5.397 O.275 32.21 8.160 6.406 O.275 37.77 9.424 7.398 O.275 43.09 10.667 8.373 0.274 48.17 7.412 5.818 0.295 39.97 8.797 6.905 O.294 46.95 (7.5) 75 567810 9 10.160 7.976 O.294 53.57 11.503 9.030 O.294 59.96 14.126 11.089 0.293 71.98 7.912 6.211 O.315 48.79 9.397 7.376 O.314 57.35 8 80 567810 10.86 8.525 0.314 65.58 12.303 9.658 0.314 73.49 15.126 11.874 0.313 88.43 lO.637 8.350 O.354 B2.77 12.301 9.656 O.354 94.83 9 90 678lO12 10 13.944 10.946 O.353 106.47 17.167 13.476 0.353 128.58 2.16 2.15 2.14 6.32 7.48 8.59 51.08 59.93 68.35 76.37 63.30 74.38 84.96 95.07 2.73 2.7l 2.69 10.32 13.34 12.1l 15.6l 13.81 17.82 1.39 1.38 1.38 4.95 57.21 5.67 68.73 6.34 80.29 1.91 1.95 1.99 2.03 2.04 2.07 2.11 2.15 2.12 9.68 2.33 2.31 2.30 2.28 7.32 8.64 9.93 11.20 2.68 15.43 19.98 2.92 2.90 2.89 2.88 11.94 16.63 14.02 19.51 16.02 22.18 17.93 24.86 1.37 6.98 91.92 1.50 1.49 1.48 1.47 5.77 70.56 6.67 84.55 7.44 98.71 8.19 112.97 2.26 13.64 2.48 2.47 2.46 2.44 8.34 9.87 11.37 12.83 113.92 2.84 21.48 30.05 77.33 90.98 104.07 116.6 3.13 3.11 3.10 3.08 13.67 20.25 16.08 23.72 18.40 27.09 20.6l 30.39 1.46 9.56 141.71 2.22 1.60 1.59 1.58 1.57 6.66 85.36 8.58 119.70 2.15 2.23 7.65 102.50 2.19 9.46 136.97 2.27 2.42 15.64 2.79 2.78 2.76 2.74 12.61 14.54 16.42 20.07 140.09 3.04 24.76 36.77 131.26 150.47 168.97 203.9 3.51 3.50 3.48 3.45 20.63 34.28 23.64 39.18 26.55 43.97 32.04 53.26 1.56 11.08 171.74 2.35 1.80 1.78 1.78 1.76 9.95 145.87 2.44 11.19 170.30 2.48 12.35 194.80 2.52 14.52 244.07 2.59 20.306 15.94 O.352 149.22 2.71 23.57 11.932 9.366 O.393 114.95 13.796 10.830 O.393 131.86 1O 100 67810121416 12 15.638 12.276 0.393 148.24 19.261 15.120 0.392 179.51 22.80 17.898 O.391 208.90 26.256 20.611 O.391 236.53 3.10 3.09 3.08 3.05 3.03 3.00 15.68 18.10 20.47 25.06 29.48 33.73 236.21 3.41 37.12 62.22 181.98 208.97 235.07 284.68 330.95 374.06 3.90 3.89 3.88 3.84 3.81 3.77 25.74 47.92 29.55 54.74 33.24 61.41 40.26 74.35 46.80 86.84 52.90 99.00 1.75 16.49 293.76 2.67 2.00 1.99 1.98 1.96 1.95 1.94 12.69 200.07 2.67 14.26 233.54 2.71 15.75 267.09 2.76 18.54 334.48 2.84 21.08 402.34 2.91 23.44 470.75 2.99 29.627 23.257 0.390 262.53 2.98 37.82 15.196 11.928 0.433 177.16 17.238 13.532 0.433 199.46 3.41 3.40 3.38 3.35 22.05 24.95 30.60 36.05 414.16 3.74 58.57 110.89 1.94 25.63 539.80 3.06 280.94 316.49 384.39 448.17 4.30 4.28 4.25 4.22 36.12 73.38 40.69 82.42 49.42 99.98 57.62 116.93 2.20 2.19 2.17 2.15 17.51 310.64 2.96 19.39 355.20 3.01 22.91 444.65 3.09 26.15 534.60 3.16 11 110 78101214 21.26l 16.690 0.432 242.19 25.200 19.782 0.43l0.282.55 29.056 22.809 43l 320.71 3.32 41.31 3.88 3.85 3.83 32.52 39.97 41.17 508.01 4.18 65.31 133.40 2.14 29.14 625.16 3.24 470.89 4.88 573.89 671.44 4.85 4.82 53.28 123.16 64.93 149.46 75.96 174.88 2.50 2.48 2.46 25.86 521.01 3.37 30.62 651.93 3.45 35.03 783.42 3.53 19.750 15.504 O.492 297.03 12.5 125 8101214 14 24.373 19.133 O.49l 361.67 28.912 22.696 0.491 423.16 33.367 26.193 O.490 481.65 3.80 54.16 27.373 21.488 0.551 514.65 14 140 10121416 32.512 25.522 0.551 603.68 37.567 29.490 O.550 688.81 4.34 4.31 4.28 50.58 59.80 68.75 763.73 4.78 86.41 199.57 2.45 39.13 915.61 3.61 817.27 958.79 5.46 5.43 82.56 212.04 96.85 248.57 110.47 284.06 2.78 2.76 2.75 39.20 915.11 3.82 45.02 1099.28 3.90 50.45 1284.22 3.98 1093.56 5.40 42.539 33.393 O.549 770.24 4.26 77.46 31.502 24.729 0.630 779.53 16 160 lO121416 16 37.44l 29.391 O.630 916.58 4.98 4.95 66.70 78.98 90.95 122l.81 5.36 123.42 318.67 2.74 55.55 1470.07 4.06 1237.30 6.27 1455.68 6.24 1665.02 6.20 109.36 321.76 128.67 377.49 147.17 431.70 3.20 3.18 3.16 52.76 1365.33 4.31 60.74 1639.57 4.39 68.24 1914.68 4.47 43.296 33.987 O.629 1048.36 4.92 49.067 38.518 0.629 1175.08 4.89 102.63 1865.57 6.17 164.89 484.59 3.14 75.31 2190.82 4.55 42.241 33.159 0.710 1321.35 5.59 18 180 12141618 48.896 38.383 0.709 1514.48 5.56 55.467 43.542 0.709 1700.99 5.54 100.82 116.25 131.13 2100.10 7.05 2407.42 7.02 2703.37 6.98 165.00 542.61 189.14 621.53 212.40 698.60 3.58 3.58 3.55 78.41 2332.80 4.89 88.38 2723.48 4.97 97.83 3115.29 5.05 61.955 48.634 0.709 1875.12 5.50 145.64 2988.24 6.94 234.78 762.0l 3.51 105.14 3502.43 5.13 54.642 42.894 0.788 2103.55 6.20 20 200 1416182024 62.013 48.680 0.788 2366.15 6.18 18 69.301 54.401 O.787 2620.64 6.15 76.505 60.056 0.787 2867.30 6.12 144.70 163.65 182.22 200.42 3343.26 7.82 3760.89 7.79 4164.54 7.75 4554.55 7.72 236.40 863.83 265.93 971.41 3.98 3.96 111.82 3734.10 5.46 123.96 4270.39 5.54 135.52 4808.13 5.62 146.55 5347.51 5.69 294.48 1076.74 3.94 322.06 1180.04 3.93 90.661 71.168 O.785 3338.25 6.07 236.17 5294.97 7.64 374.41 1381.53 3.90 166.55 6457.16 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／m 2～5.6 ±±1.2 0.8 ±±0.6 0.4 4～12 10～14 ±±2.5 1.8 ±±1.0 0.7 4～19 6 .3～9 4～12 16～20 6～19
热轧等边角钢的尺寸规格国标角铁
