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工字钢槽钢截面特性
表1-6 热轧普通工字钢规格及截面特性 （GB 706-88）
I——截面惯性矩； W——截面抵抗矩； S——半截面面积矩； t——截面回转半径。 | |||||||||||||||
型号 | 尺寸 mm | 截面 面积 A cm2 | 每米 重量 kg/m | 截面特性 | |||||||||||
x-x轴 | y-y轴 | ||||||||||||||
h | b | tw | t | r | r1 | Iz cm4 | Wz cm3 | Sz cm3 | iz cm | Iy cm4 | Wy cm3 | iy cm | |||
Ⅰ10 | 100 | 68 | 4.5 | 7.6 | 6.5 | 3.3 | 14.33 | 1.25 | 245 | 49.0 | 28.2 | 4.14 | 32.8 | 9.6 | 1.51 |
Ⅰ12.6 | 126 | 74 | 5.0 | 8.4 | 7.0 | 3.5 | 18.10 | 14.21 | 488 | 77.4 | 44.2 | 5.19 | 46.9 | 12.7 | 1.61 |
Ⅰ14 | 140 | 80 | 5.5 | 9.1 | 7.5 | 3.8 | 21.50 | 16.88 | 712 | 101.7 | 58.4 | 5.75 | 64.3 | 16.1 | 1.73 |
Ⅰ16 | 160 | 88 | 6.0 | 9.9 | 8.0 | 4.0 | 26.11 | 20.50 | 1127 | 140.9 | 80.8 | 6.57 | 93.1 | 21.1 | 1.89 |
Ⅰ18 | 180 | 94 | 6.5 | 10.7 | 8.5 | 4.3 | 30.74 | 24.13 | 1699 | 185.4 | 106.5 | 7.37 | 122.9 | 26.2 | 2.00 |
Ⅰ20a | 200 | 100 | 7.0 | 11.4 | 9.0 | 4.5 | 35.55 | 27.91 | 2369 | 236.9 | 136.1 | 8.16 | 157.9 | 31.6 | 2.11 |
Ⅰ20b | 200 | 102 | 9.0 | 11.4 | 9.0 | 4.5 | 39.55 | 31.05 | 2505 | 250.2 | 146.1 | 7.95 | 169.0 | 33.1 | 2.07 |
Ⅰ22a | 220 | 110 | 7.5 | 12.3 | 9.5 | 4.8 | 42.10 | 33.05 | 3406 | 309.6 | 177.7 | 8.99 | 225.9 | 41.1 | 2.32 |
Ⅰ22b | 220 | 112 | 9.5 | 12.3 | 9.5 | 4.8 | 46.50 | 36.50 | 3583 | 325.8 | 189.8 | 8.78 | 240.2 | 42.9 | 2.27 |
Ⅰ25a | 250 | 116 | 8.0 | 13.0 | 10.0 | 5.0 | 48.51 | 38.08 | 5017 | 401.4 | 230.7 | 10.17 | 280.4 | 48.4 | 2.40 |
Ⅰ25b | 250 | 118 | 10.0 | 13.0 | 10.0 | 5.0 | 53.51 | 42.01 | 5278 | 422.5 | 246.3 | 9.93 | 297.3 | 50.4 | 2.36 |
Ⅰ28a | 280 | 122 | 8.5 | 13.7 | 10.5 | 5.3 | 55.37 | 43.47 | 7115 | 408.2 | 292.7 | 11.35 | 344.1 | 56.4 | 2.49 |
Ⅰ28b | 280 | 124 | 10.5 | 13.7 | 10.5 | 5.3 | 60.97 | 47.86 | 7481 | 534.4 | 312.3 | 11.08 | 363.8 | 58.7 | 2.44 |
Ⅰ32a | 320 | 130 | 6.5 | 15.0 | 11.5 | 5.8 | 67.12 | 52.69 | 11080 | 692.5 | 400.5 | 12.85 | 459.0 | 70.6 | 2.62 |
Ⅰ32b | 320 | 132 | 11.5 | 15.0 | 11.5 | 5.8 | 73.52 | 57.71 | 11626 | 726.7 | 426.1 | 12.58 | 483.8 | 73.3 | 2.57 |
Ⅰ32c | 320 | 134 | 13.5 | 15.0 | 11.5 | 5.8 | 79.92 | 62.74 | 12173 | 760.8 | 451.7 | 12.34 | 510.1 | 76.1 | 2.53 |
Ⅰ36a | 360 | 136 | 10.0 | 15.8 | 12.0 | 6.0 | 76.44 | 60.00 | 15796 | 877.6 | 508.8 | 12.38 | 554.9 | 81.6 | 2.69 |
Ⅰ36b | 360 | 138 | 12.0 | 15.8 | 12.0 | 6.0 | 83.64 | 65.66 | 16574 | 920.8 | 541.2 | 14.08 | 583.6 | 84.6 | 2.64 |
Ⅰ36c | 360 | 140 | 14.0 | 15.8 | 12.0 | 6.0 | 90.84 | 71.31 | 17351 | 964.0 | 573.6 | 13.82 | 614.0 | 87.7 | 2.60 |
Ⅰ40a | 400 | 142 | 10.5 | 16.5 | 12.5 | 6.3 | 86.07 | 67.56 | 21714 | 1085.7 | 631.2 | 15.88 | 659.9 | 92.9 | 2.77 |
Ⅰ40b | 400 | 144 | 12.5 | 16.5 | 12.5 | 6.3 | 94.07 | 73.84 | 22781 | 1139.0 | 671.2 | 15.56 | 692.8 | 96.2 | 2.71 |
Ⅰ40c | 400 | 146 | 14.5 | 16.5 | 12.5 | 6.3 | 102.07 | 80.12 | 23847 | 1192.4 | 711.2 | 15.29 | 727.5 | 99.7 | 2.67 |
Ⅰ45a | 450 | 150 | 11.5 | 18.0 | 13.5 | 6.8 | 102.40 | 80.38 | 32241 | 1432.9 | 836.4 | 17.74 | 855.0 | 114.0 | 2.89 |
Ⅰ45b | 450 | 152 | 13.5 | 18.0 | 13.5 | 6.8 | 111.40 | 87.45 | 33759 | 1500.4 | 887.1 | 17.41 | 895.4 | 117.8 | 2.84 |
Ⅰ45c | 450 | 154 | 15.5 | 18.0 | 13.5 | 6.8 | 120.40 | 94.51 | 35278 | 1567.9 | 93.7 | 17.12 | 938.0 | 121.8 | 2.79 |
Ⅰ50a | 500 | 158 | 12.0 | 20.0 | 14.0 | 7.0 | 119.25 | 93.61 | 46472 | 1858.9 | 1084.1 | 19.74 | 1121.5 | 142.0 | 3.07 |
Ⅰ50b | 500 | 160 | 14.0 | 20.0 | 14.0 | 7.0 | 129.25 | 101.46 | 48556 | 1942.2 | 1146.6 | 19.38 | 1171.4 | 146.4 | 3.01 |
Ⅰ50c | 500 | 162 | 16.0 | 20.0 | 14.0 | 7.0 | 139.25 | 109.31 | 50639 | 2025.6 | 1209.1 | 19.07 | 1223.9 | 151.1 | 2.96 |
Ⅰ56a | 560 | 166 | 12.5 | 21.0 | 14.5 | 7.3 | 135.38 | 106.27 | 65576 | 2342.0 | 1368.8 | 22.01 | 1365.8 | 164.6 | 3.18 |
Ⅰ56b | 560 | 168 | 14.5 | 21.0 | 14.5 | 7.3 | 146.58 | 115.06 | 68503 | 2446.5 | 1447.2 | 21.62 | 1423.8 | 169.5 | 3.12 |
Ⅰ56c | 560 | 170 | 16.5 | 21.0 | 14.5 | 7.3 | 157.78 | 123.85 | 71430 | 2551.1 | 1525.6 | 21.28 | 1484.8 | 174.7 | 3.07 |
Ⅰ63a | 630 | 176 | 13.0 | 22.0 | 15.0 | 7.5 | 154.59 | 121.36 | 94004 | 2984.3 | 1747.4 | 24.66 | 1702.4 | 193.5 | 3.32 |
Ⅰ63b | 630 | 178 | 15.0 | 22.0 | 15.0 | 7.5 | 169.19 | 131.35 | 98171 | 3116.6 | 1846.6 | 24.23 | 1770.7 | 199.0 | 3.25 |
Ⅰ63c | 630 | 180 | 17.0 | 22.0 | 15.0 | 7.5 | 179.79 | 141.14 | 102339 | 3248.9 | 1945.9 | 23.86 | 1942.4 | 204.7 | 3.20 |
注：普通工字钢的通常长度：110～118，为5m～19m；120～163，为6m～19m。
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