工字钢 槽钢 截面特性

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。 截面特性 尺寸 截面 每米 mm x-x轴 y-y轴 面积 重量 型号 A kg/m 2cm iz iy Wz Sz Wy z y IIh b tw t r r1 33344cm cm cm cm cm cm cm ?10 100 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 ?12.6 126 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 ?14 140 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 ?16 160 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 ?18 180 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 ?20a 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 ?20b 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 ?22a 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 ?22b 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 ?25a 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 ?25b 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 ?28a 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 ?28b 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 ?32a 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 ?32b 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 ?32c 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 ?36a 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 ?36b 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 ?36c 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 ?40a 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 ?40b 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 ?40c 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 ?45a 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 ?45b 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 ?45c 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 ?50a 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 ?50b 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 ?50c 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 ?56a 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 ?56b 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 ?56c 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 ?63a 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 ?63b 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 ?63c 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。