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HOT ROLLED U-CHANNEL STEEL SERIES GB/T706-2016
Model
Dimension mm
Sectional area
Theoretical weightReference value X-X Y-Y h b d t r r1 cm2 kg/m x,cm⁴ Wx,cm x,cm
y,cm4 W,cm³ i,cm10 100 48 5.3 8.5 8.5 4.2 12.74 10 198 39.7 3.95 25.6 7.8 1.41 12 120 53 5.5 9 9 4.5 15.36 12.1 346 57.7 4.75 37.4 10.2 1.56 12.6 126 53 5.5 9 9 4.5 15.69 12.3 391 62.1 4.95 38 10.2 1.57
14a140 58 6 9.5 9.5 4.8 18.51 14.5 564 80.5 5.52 53.2 13 1.7 140 60 8 9.5 4.8 21.31 16.7 609 87.1 5.35 61.1 14.1 1.69 16a 160 63 6.5 10 10 5 21.92 17.2 866 108 6.28 73.3 16.3 1.83 16b 160 65 8.5 10 10 5 25.15 19.8 935 117 6.1 83.4 17.6 1.82 18a 180 68 7 10.5 10.5 5.2 25.69 20.2 1270 141 7.04 98.6 20 1.96 18b 180 70 9 10.5 10.5 5.2 29.29 23 1370 152 6.84 111 21.5 1.95 20a 200 73 7 11 11 5.5 28.83 22.6 1780 178 7.86 128 24.2 2.11 20b 200 75 9 11 11 5.5 32.83 25.8 1910 191 7.64 44 25.9 2.09 22a 220 77 7 11.5 11.5 5.8 31.83 25 2390 218 8.67 158 28.2 2.23 22b 220 79 9 11.5 11.5 5.8 36.23 28.5 2570 234 8.42 176 30.1 2.21 24a 240 78 7 12 12 6 34.21 26.9 3050 254 9.45 174 30.5 2.25 24b 240 80 9 12 12 6 39.01 30.6 3280 274 9.17 194 32.5 2.2 24c 240 82 11 12 12 6 43.81 34.4 3510 293 8.96 213 34.4 2.21 25a 250 78 7 12 12 6 34.91 27.4 3370 270 9.82 176 30.6 2.24 25b 250 80 8 12 12 6 39.91 31.3 3530 282 9.41 196 32.7 2.22 25c 250 82 11 12 12 6 44.91 35.3 3690 295 9.07 218 35.9 2.21 27a 270 82 7.5 12.5 12.5 6.2 39.27 30.8 4360 323 10.5 216 35.5 2.34 27b 270 84 9.5 12.5 12.5 6.2 44.67 35.1 4690 347 10.3 239 37.7 2.31 27c 270 86 11.5 12.5 12.5 6.2 50.07 39.3 5020 372 10.1 261 39.8 2.28 28a 280 82 7.5 12.5 12.5 6.2 40.02 31.4 4760 340 10.9 218 35.7 2.33 28b 280 84 9.5 12.5 12.5 6.2 45.62 35.8 5130 366 10.6 242 37.98 2.3 28c 280 86 11.5 12.5 12.5 6.2 51.22 40.2 5500 393 10.4 268 40.3 2.29 30a 300 85 7.5 13.5 13.5 6.8 43.89 34.5 6050 403 11.7 260 41.1 2.43 30b 300 87 9.5 13.5 13.5 6.8 49.89 39.2 6500 433 11.4 289 44 2.41 30c 300 89 11.5 13.5 13.5 6.8 55.89 43.9 6950 463 11.2 316 46.4 2.38 32a 320 88 8 14 14 7 48.5 38.1 7600 475 12.5 305 46.5 2.5 32b 320 90 10 14 14 7 54.9 43.1 8140 509 12.2 336 49.2 2.47 32c 320 92 12 14 14 7 61.3 48.1 8690 543 11.9 374 52.6 2.47 36a 360 96 9 16 16 8 60.89 47.8 11900 660 14 455 63.5 2.73 36b 360 98 11 16 16 8 68.09 53.5 12700 703 13.6 497 66.9 2.7 36c 360 100 13 16 16 8 75.29 59.1 13400 746 13.4 536 70 2.67 40a 400 100 10.5 18 18 9 75.04 58.9 17600 879 15.3 592 78.8 2.81 40b 400 102 12.5 18 18 9 83.04 65.2 18600 932 15 640 82.5 2.78 40c 400 104 14.5 18 18 9 91.04 71.5 19700 986 14.7 688 86.2 2.75
