(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-X | Xo-Xo | Yo-Yo | X1-Xl | zo/cm | |||||||||||||
b | d | r | Ix/cm4 | ix/cm | Wx/ cm3 | ixo/cm | ixo/ Cm | Wxo/ cm3 | 1yo/ cm4 | iyo/cm | Wyo/ cm3 | Ix1/ cm4 | |||||
2 | 20 | 3 4 | 3.5 | 1.132 1.459 | 0.8 1.145 | 0.078 0.077 | O.40 O.50 | 0.59 O.58 | 0.29 O.36 | 0.63 O.78 | 0.75 0.73 | 0.45 0.55 | 0.17 O.22 | O.39 0.38 | O.20 0.24 | O.81 1.09 | O.60 0. |
2.5 | 25 | 3 4 | 1.432 1.859 | 1.124 1.459 | 0.098 O.097 | 0.82 1.03 | 0.76 O.74 | 0.46 O.59 | 1.29 1.62 | O.95 O.93 | 0.73 O.92 | O.34 0.43 | 0.49 O.48 | O.33 0.40 | 1.57 2.11 | 0.73 O.76 | |
3.0 | 30 | 3 4 | 4.5 | 1.749 2.276 | 1.373 1.786 | O.117 0.117 | 1.46 1.84 | O.9l 0.90 | O.68 0.87 | 2.3l 2.92 | 1.15 1.13 | 1.09 1.37 | O.61 0.77 | 0.59 O.58 | O.51 O.62 | 2.7l 3.63 | 0.85 O. |
3.6 | 36 | 3 4 5 | 2.109 2.756 3.382 | 1.656 2.163 2.654 | O.14l 0.141 O.141 | 2.58 3.29 3.95 | 1.1l 1.09 1.08 | O.99 1.28 1.56 | 4.09 5.22 6.24 | 1.39 1.38 1.36 | 1.6l 2.05 2.45 | 1.07 1.37 1.65 | 0.7l 0.70 O.70 | O.76 O.93 1.09 | 4.68 6.25 7.84 | 1.00 1.04 1.07 | |
4 | 40 | 3 4 5 | 5 | 2.359 3.086 3.791 | 1.852 2.422 2.976 | O.157 0.157 O.156 | 3.59 4.60 5.53 | 1.23 1.22 1.21 | 1.23 1.60 1.96 | 5.69 7.29 8.76 | 1.55 1.54 1.52 | 2.01 2.58 3.10 | 1.49 1.91 2.30 | O.79 0.79 O.78 | O.96 1.19 1.39 | 6.4l 8.56 10.74 | 1.09 1.13 1.17 |
4.5 | 45 | 3 4 5 6 | 5 | 2.659 3.486 4.292 5.076 | 2.088 2.736 3.369 3.985 | 0.177 O.177 0.176 O.176 | 5.17 6.65 8.04 9.33 | 1.40 1.38 1.37 1.36 | 1.58 2.05 2.51 2.95 | 8.20 10.56 12.74 14.76 | 1.76 1.74 1.72 1.70 | 2.58 3.32 4.00 4. | 2.14 2.75 3.33 3. | 0. 0. 0.88 0.88 | 1.24 1.54 1.8l 2.06 | 9.12 12.18 15.25 18.36 | 1.22 1.26 1.30 1.33 |
5 | 50 | 3 4 5 6 | 5.5 | 2.97l 3.7 4.803 5.688 | 2.332 3.059 3.770 4.465 | O.197 O.197 O.196 0.196 | 7.18 9.26 11.2l 13.05 | 1.55 1.54 1.53 1.52 | 1.96 2.56 3.13 3.68 | 11.37 14.70 17.79 20.68 | 1.96 1.94 1.92 1.91 | 3.22 4.16 5.03 5.85 | 2.98 3.82 4. 5.42 | 1.00 0.99 O.93 0.93 | 1.57 1.96 2.3l 2.63 | 12.50 16.69 20.90 25.14 | 1.34 1.38 1.42 1.46 |
5.6 | 56 | 3 4 5 8 | 6 | 3.343 4.390 5.415 8.367 | 2.624 3.446 4.251 6.568 | 0.22l 0.220 O.220 O.219 | 10.19 13.18 16.02 23.63 | 1.75 1.73 1.72 1.68 | 2.48 3.24 3.97 6.03 | 16.14 20.92 25.42 37.37 | 2.20 2.18 2.17 2.11 | 4.08 5.28 6.42 9.44 | 4.24 5.46 6.61 9. | 1.13 1.11 1.10 1.09 | 2.02 2.52 2.98 4.16 | 17.56 23.43 29.33 47.24 | 1.48 1.53 1.57 1.68 |
6.3 | 63 | 4 5 6 8 lO | 7 | 4.978 6.143 7.288 9.515 11.657 | 3.907 4.822 5.721 7.469 15l | 0.248 O.248 O.247 O.247 O.246 | 19.03 23.17 27.12 34.46 41.09 | 1.96 1.94 1.93 1.90 1.88 | 4.13 5.08 6.oo 7.75 9.39 | 30.17 36.77 43.03 54.56 .85 | 2.46 2.45 2.43 2.40 2.36 | 6.78 8.25 9.66 12.25 14.56 | 7. 9.57 11.20 14.33 17.33 | 1.26 1.25 1.24 1.23 1.22 | 3.29 3.90 4.46 5.47 6.36 | 33.35 41.73 50.14 67.1l 84.31 | 1.70 1.74 1.78 1.85 1.93 |
7 | 70 | 4 5 6 7 8 | 8 | 5.570 6.875 8.160 9.424 10.667 | 4.372 5.397 6.406 7.398 8.373 | 0.275 O.275 O.275 O.275 0.274 | 26.39 32.21 37.77 43.09 48.17 | 2.18 2.16 2.15 2.14 2.12 | 5.14 6.32 7.48 8.59 9.68 | 41.80 51.08 59.93 68.35 76.37 | 2.76 2.73 2.7l 2.69 2.68 | 8.44 10.32 12.1l 13.81 15.43 | lO.99 13.34 15.6l 17.82 19.98 | 1.40 1.39 1.38 1.38 1.37 | 4.17 4.95 5.67 6.34 6.98 | 45.74 57.21 68.73 80.29 91.92 | 1.86 1.91 1.95 1.99 2.03 |
(7.5) | 75 | 5 6 7 8 10 | 9 | 7.412 8.797 10.160 11.503 14.126 | 5.818 6.905 7.976 9.030 11.0 | 0.295 O.294 O.294 O.294 0.293 | 39.97 46.95 53.57 59.96 71.98 | 2.33 2.31 2.30 2.28 2.26 | 7.32 8. 9.93 11.20 13. | 63.30 74.38 84.96 95.07 113.92 | 2.92 2.90 2. 2.88 2.84 | 11.94 14.02 16.02 17.93 21.48 | 16.63 19.51 22.18 24.86 30.05 | 1.50 1.49 1.48 1.47 1.46 | 5.77 6.67 7.44 8.19 9.56 | 70.56 84.55 98.71 112.97 141.71 | 2.04 2.07 2.11 2.15 2.22 |
8 | 80 | 5 6 7 8 10 | 7.912 9.397 10.86 12.303 15.126 | 6.211 7.376 8.525 9.658 11.874 | O.315 O.314 0.314 0.314 0.313 | 48.79 57.35 65.58 73.49 88.43 | 2.48 2.47 2.46 2.44 2.42 | 8.34 9.87 11.37 12.83 15. | 77.33 90.98 104.07 116.6 140.09 | 3.13 3.11 3.10 3.08 3.04 | 13.67 16.08 18.40 20.6l 24.76 | 20.25 23.72 27.09 30.39 36.77 | 1.60 1.59 1.58 1.57 1.56 | 6.66 7.65 8.58 9.46 11.08 | 85.36 102.50 119.70 136.97 171.74 | 2.15 2.19 2.23 2.27 2.35 | |
9 | 90 | 6 7 8 lO 12 | 10 | lO.637 12.301 13.944 17.167 20.306 | 8.350 9.656 10.946 13.476 15.94 | O.354 O.354 O.353 0.353 O.352 | B2.77 94.83 106.47 128.58 149.22 | 2.79 2.78 2.76 2.74 2.71 | 12.61 14.54 16.42 20.07 23.57 | 131.26 150.47 168.97 203.9 236.21 | 3.51 3.50 3.48 3.45 3.41 | 20.63 23. 26.55 32.04 37.12 | 34.28 39.18 43.97 53.26 62.22 | 1.80 1.78 1.78 1.76 1.75 | 9.95 11.19 12.35 14.52 16.49 | 145.87 170.30 194.80 244.07 293.76 | 2.44 2.48 2.52 2.59 2.67 |
1O | 100 | 6 7 8 10 12 14 16 | 12 | 11.932 13.796 15.638 19.261 22.80 26.256 29.627 | 9.366 10.830 12.276 15.120 17.8 20.611 23.257 | O.393 O.393 0.393 0.392 O.391 O.391 0.390 | 114.95 131.86 148.24 179.51 208.90 236.53 262.53 | 3.10 3.09 3.08 3.05 3.03 3.00 2.98 | 15.68 18.10 20.47 25.06 29.48 33.73 37.82 | 181.98 208.97 235.07 284.68 330.95 374.06 414.16 | 3.90 3. 3.88 3.84 3.81 3.77 3.74 | 25.74 29.55 33.24 40.26 46.80 52.90 58.57 | 47.92 54.74 61.41 74.35 86.84 99.00 110. | 2.00 1.99 1.98 1.96 1.95 1.94 1.94 | 12.69 14.26 15.75 18.54 21.08 23.44 25.63 | 200.07 233.54 267.09 334.48 402.34 470.75 539.80 | 2.67 2.71 2.76 2.84 2.91 2.99 3.06 |
11 | 110 | 7 8 10 12 14 | 15.196 17.238 21.26l 25.200 29.056 | 11.928 13.532 16.690 19.782 22.809 | 0.433 0.433 0.432 0.43l 0.43l | 177.16 199.46 242.19 282.55 320.71 | 3.41 3.40 3.38 3.35 3.32 | 22.05 24.95 30.60 36.05 41.31 | 280.94 316.49 384.39 448.17 508.01 | 4.30 4.28 4.25 4.22 4.18 | 36.12 40.69 49.42 57.62 65.31 | 73.38 82.42 99.98 116.93 133.40 | 2.20 2.19 2.17 2.15 2.14 | 17.51 19.39 22.91 26.15 29.14 | 310. 355.20 444.65 534.60 625.16 | 2.96 3.01 3.09 3.16 3.24 | |
12.5 | 125 | 8 10 12 14 | 14 | 19.750 24.373 28.912 33.367 | 15.504 19.133 22.696 26.193 | O.492 O.49l 0.491 O.490 | 297.03 361.67 423.16 481.65 | 3.88 3.85 3.83 3.80 | 32.52 39.97 41.17 54.16 | 470. 573. 671.44 763.73 | 4.88 4.85 4.82 4.78 | 53.28 .93 75.96 86.41 | 123.16 149.46 174.88 199.57 | 2.50 2.48 2.46 2.45 | 25.86 30.62 35.03 39.13 | 521.01 651.93 783.42 915.61 | 3.37 3.45 3.53 3.61 |
14 | 140 | 10 12 14 16 | 27.373 32.512 37.567 42.539 | 21.488 25.522 29.490 33.393 | 0.551 0.551 O.550 O.549 | 514.65 603.68 688.81 770.24 | 4.34 4.31 4.28 4.26 | 50.58 59.80 68.75 77.46 | 817.27 958.79 1093.56 122l.81 | 5.46 5.43 5.40 5.36 | 82.56 96.85 110.47 123.42 | 212.04 248.57 284.06 318.67 | 2.78 2.76 2.75 2.74 | 39.20 45.02 50.45 55.55 | 915.11 1099.28 1284.22 1470.07 | 3.82 3.90 3.98 4.06 |
16 | 160 | lO 12 14 16 | 16 | 31.502 37.44l 43.296 49.067 | 24.729 29.391 33.987 38.518 | 0.630 O.630 O.629 0.629 | 779.53 916.58 1048.36 1175.08 | 4.98 4.95 4.92 4. | 66.70 78.98 90.95 102.63 | 1237.30 1455.68 1665.02 1865.57 | 6.27 6.24 6.20 6.17 | 109.36 128.67 147.17 1. | 321.76 377.49 431.70 484.59 | 3.20 3.18 3.16 3.14 | 52.76 60.74 68.24 75.31 | 1365.33 1639.57 1914.68 2190.82 | 4.31 4.39 4.47 4.55 |
18 | 180 | 12 14 16 18 | 42.241 48.6 55.467 61.955 | 33.159 38.383 43.542 48.634 | 0.710 0.709 0.709 0.709 | 1321.35 1514.48 1700.99 1875.12 | 5.59 5.56 5.54 5.50 | 100.82 116.25 131.13 145. | 2100.10 2407.42 2703.37 2988.24 | 7.05 7.02 6.98 6.94 | 165.00 1.14 212.40 234.78 | 542.61 621.53 698.60 762.0l | 3.58 3.58 3.55 3.51 | 78.41 88.38 97.83 105.14 | 2332.80 2723.48 3115.29 3502.43 | 4. 4.97 5.05 5.13 | |
20 | 200 | 14 16 18 20 24 | 18 | 54.2 62.013 69.301 76.505 90.661 | 42.4 48.680 54.401 60.056 71.168 | 0.788 0.788 O.787 0.787 O.785 | 2103.55 2366.15 2620. 2867.30 3338.25 | 6.20 6.18 6.15 6.12 6.07 | 144.70 163.65 182.22 200.42 236.17 | 3343.26 3760. 41.54 4554.55 5294.97 | 7.82 7.79 7.75 7.72 7. | 236.40 265.93 294.48 322.06 374.41 | 863.83 971.41 1076.74 1180.04 1381.53 | 3.98 3.96 3.94 3.93 3.90 | 111.82 123.96 135.52 146.55 166.55 | 3734.10 4270.39 4808.13 5347.51 57.16 | 5.46 5.54 5.62 5.69 5.87 |
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 6 .3~9 | ±O.8 士1.2 | ±0.4 士O.6 | 4~12 4~12 | 10~14 16~20 | ±1.8 土2.5 | ±0.7 士1.O |