
技术信息
等边角钢的标准断面尺寸及其断面积、单位质量、断面特性
(JIS G 3192)

断面二次力矩 | I=ai2 |
断面二次半径 | i=√I/a |
断面系数 | Z=I/e |
(a=断面积)

标准断面尺寸(mm) | 断面积 (cm2) |
单位质量 (kg/m) |
参考 | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
重心位置(cm) | 断面二次力矩(cm4) | 断面二次半径(cm) | 断面系数(cm3) | ||||||||||||||
A×B | t | r1 | r2 | Cx | Cy | Ix | Iy | 最大Iu | 最小Iv | ix | iy | 最大iu | 最小iv | Zx | Zy | ||
25×25 | 3 | 4 | 2 | 1.427 | 1.12 | 0.719 | 0.719 | 0.797 | 0.797 | 1.26 | 0.332 | 0.747 | 0.747 | 0.940 | 0.483 | 0.448 | 0.448 |
30×30 | 3 | 4 | 2 | 1.727 | 1.36 | 0.844 | 0.844 | 1.42 | 1.42 | 2.26 | 0.590 | 0.908 | 0.908 | 1.14 | 0.585 | 0.661 | 0.661 |
40×40 | 3 | 4.5 | 2 | 2.336 | 1.83 | 1.09 | 1.09 | 3.53 | 3.53 | 5.60 | 1.46 | 1.23 | 1.23 | 1.55 | 0.790 | 1.21 | 1.21 |
40×40 | 5 | 4.5 | 3 | 3.755 | 2.95 | 1.17 | 1.17 | 5.42 | 5.42 | 8.59 | 2.25 | 1.20 | 1.20 | 1.51 | 0.774 | 1.91 | 1.91 |
45×45 | 4 | 6.5 | 3 | 3.492 | 2.74 | 1.24 | 1.24 | 6.50 | 6.50 | 10.3 | 2.70 | 1.36 | 1.36 | 1.72 | 0.880 | 2.00 | 2.0 |
45×45 | 5 | 6.5 | 3 | 4.302 | 3.38 | 1.28 | 1.28 | 7.91 | 7.91 | 12.5 | 3.29 | 1.36 | 1.36 | 1.71 | 0.874 | 2.46 | 2.46 |
50×50 | 4 | 6.5 | 3 | 3.892 | 3.06 | 1.37 | 1.37 | 9.06 | 9.06 | 14.4 | 3.76 | 1.53 | 1.53 | 1.92 | 0.983 | 2.49 | 2.49 |
50×50 | 5 | 6.5 | 3 | 4.802 | 3.77 | 1.41 | 1.41 | 11.1 | 11.1 | 17.5 | 4.58 | 1.52 | 1.52 | 1.91 | 0.976 | 3.08 | 3.08 |
50×50 | 6 | 6.5 | 4.5 | 5.644 | 4.43 | 1.44 | 1.44 | 12.6 | 12.6 | 20.0 | 5.23 | 1.50 | 1.50 | 1.88 | 0.963 | 3.55 | 3.55 |
60×60 | 4 | 6.5 | 3 | 4.692 | 3.68 | 1.61 | 1.61 | 16.0 | 16.0 | 25.4 | 6.62 | 1.85 | 1.85 | 2.33 | 1.19 | 3.66 | 3.66 |
60×60 | 5 | 6.5 | 3 | 5.802 | 4.55 | 1.66 | 1.66 | 19.6 | 19.6 | 31.2 | 8.09 | 1.84 | 1.84 | 2.32 | 1.18 | 4.52 | 4.52 |
65×65 | 5 | 8.5 | 3 | 6.367 | 5.00 | 1.77 | 1.77 | 25.3 | 25.3 | 40.1 | 10.5 | 1.99 | 1.99 | 2.51 | 1.28 | 5.35 | 5.35 |
65×65 | 6 | 8.5 | 4 | 7.527 | 5.91 | 1.81 | 1.81 | 29.4 | 29.4 | 46.6 | 12.2 | 1.98 | 1.98 | 2.49 | 1.27 | 6.26 | 6.26 |
65×65 | 8 | 8.5 | 6 | 9.761 | 7.66 | 1.88 | 1.88 | 36.8 | 36.8 | 58.3 | 15.3 | 1.94 | 1.94 | 2.44 | 1.25 | 7.96 | 7.96 |
70×70 | 6 | 8.5 | 4 | 8.127 | 6.38 | 1.93 | 1.93 | 37.1 | 37.1 | 58.9 | 15.3 | 2.14 | 2.14 | 2.69 | 1.37 | 7.33 | 7.33 |
75×75 | 6 | 8.5 | 4 | 8.727 | 6.85 | 2.06 | 2.06 | 46.1 | 46.1 | 73.2 | 19.0 | 2.30 | 2.30 | 2.90 | 1.48 | 8.47 | 8.47 |
75×75 | 9 | 8.5 | 6 | 12.69 | 9.96 | 2.17 | 2.17 | 64.4 | 64.4 | 102 | 26.7 | 2.25 | 2.25 | 2.84 | 1.45 | 12.1 | 12.1 |
75×75 | 12 | 8.5 | 6 | 16.56 | 13.0 | 2.29 | 2.29 | 81.9 | 81.9 | 129 | 34.5 | 2.22 | 2.22 | 2.79 | 1.44 | 15.7 | 15.7 |
80×80 | 6 | 8.5 | 4 | 9.327 | 7.32 | 2.18 | 2.18 | 56.4 | 56.4 | 89.6 | 23.2 | 2.46 | 2.46 | 3.10 | 1.58 | 9.70 | 9.70 |
90×90 | 6 | 10 | 5 | 10.55 | 8.28 | 2.24 | 2.42 | 80.7 | 80.7 | 128 | 33.4 | 2.77 | 2.77 | 3.48 | 1.78 | 12.3 | 12.3 |
90×90 | 7 | 10 | 5 | 12.22 | 9.59 | 2.46 | 2.46 | 93.0 | 93.0 | 148 | 38.3 | 2.76 | 2.76 | 3.48 | 1.77 | 14.2 | 14.2 |
90×90 | 10 | 10 | 7 | 17.00 | 13.3 | 2.57 | 2.57 | 125 | 125 | 199 | 51.7 | 2.71 | 2.71 | 3.42 | 1.74 | 19.5 | 19.5 |
90×90 | 13 | 10 | 7 | 21.71 | 17.0 | 2.69 | 2.69 | 156 | 156 | 248 | 65.3 | 2.68 | 2.68 | 3.38 | 1.73 | 24.8 | 24.8 |
100×100 | 7 | 10 | 5 | 13.62 | 10.7 | 2.71 | 2.71 | 129 | 129 | 205 | 53.2 | 3.08 | 3.08 | 3.88 | 1.98 | 17.7 | 17.7 |
100×100 | 10 | 10 | 7 | 19.00 | 14.9 | 2.82 | 2.82 | 175 | 175 | 278 | 72.0 | 3.04 | 3.04 | 3.83 | 1.95 | 24.4 | 24.4 |
100×100 | 13 | 10 | 7 | 24.31 | 19.1 | 2.94 | 2.94 | 220 | 220 | 348 | 91.1 | 3.00 | 3.00 | 3.78 | 1.94 | 31.1 | 31.1 |