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Nominal dimensions and sectional properties of a limited range of square hollow sections

Square hollow section Y Y Z Z B B T
Square hollow section

Specified side dimension $ B $ , in $ \mathrm{mm} $ Specified thickness $ T $ , in $ \mathrm{mm} $ Mass per unit length $ M $ , in $ \mathrm{kg/m} $ Cross-sectional area $ A $ , in $ \mathrm{cm^2} $ Second moment of area $ I $ , in $ \mathrm{cm^4} $ Radius of gyration $ i $ , in $ \mathrm{cm} $ Elastic section modulus $ W_{el} $ , in $ \mathrm{cm^3} $ Plastic section modulus $ W_{pl} $ , in $ \mathrm{cm^3} $ Torsional inertia constant $ I_t $ , in $ \mathrm{cm^4} $ Torsional modulus constant $ C_t $ , in $ \mathrm{cm^3} $ Superficial area per metre length $ A_s $ , in $ \mathrm{m^2/m} $ Nominal length per tonne, in $ \mathrm{m} $
20 2.0 1.05 1.34 0.692 0.720 0.692 0.877 1.21 1.06 0.0731 953
25 2.0 1.36 1.74 1.48 0.924 1.19 1.47 2.53 1.80 0.0931 733
25 2.5 1.64 2.09 1.69 0.899 1.35 1.71 2.97 2.07 0.0914 610
25 3.0 1.89 2.41 1.84 0.874 1.47 1.91 3.33 2.27 0.0897 529
30 2.0 1.68 2.14 2.72 1.13 1.81 2.21 4.54 2.75 0.113 596
30 2.5 2.03 2.59 3.16 1.10 2.10 2.61 5.40 3.20 0.111 492
30 3.0 2.36 3.01 3.50 1.08 2.34 2.96 6.15 3.58 0.110 423
40 2.0 2.31 2.94 6.94 1.54 3.47 4.13 11.3 5.23 0.153 434
40 2.5 2.82 3.59 8.22 1.51 4.11 4.97 13.6 6.21 0.151 355
40 3.0 3.30 4.21 9.32 1.49 4.66 5.72 15.8 7.07 0.150 303
40 4.0 4.20 5.35 11.1 1.44 5.54 7.01 19.4 8.48 0.146 238
50 2.0 2.93 3.74 14.1 1.95 5.66 6.66 22.6 8.51 0.193 341
50 2.5 3.60 4.59 16.9 1.92 6.78 8.07 27.5 10.2 0.191 278
50 3.0 4.25 5.41 19.5 1.90 7.79 9.39 32.1 11.8 0.190 236
50 4.0 5.45 6.95 23.7 1.85 9.49 11.7 40.4 14.4 0.186 183
50 5.0 6.56 8.36 27.0 1.80 10.8 13.7 47.5 16.6 0.183 152
60 2.0 3.56 4.54 25.1 2.35 8.38 9.79 39.8 12.6 0.233 281
60 2.5 4.39 5.59 30.3 2.33 10.1 11.9 48.7 15.2 0.231 228
60 3.0 5.19 6.61 35.1 2.31 11.7 14.0 57.1 17.7 0.230 193
60 4.0 6.71 8.55 43.6 2.26 14.5 17.6 72.6 22.0 0.226 149
60 5.0 8.13 10.4 50.5 2.21 16.8 20.9 86.4 25.6 0.223 123
60 6.0 9.45 12.0 56.1 2.16 18.7 23.7 98.4 28.6 0.219 106
60 6.3 9.55 12.2 54.4 2.11 18.1 23.4 100 28.8 0.213 105
70 2.5 5.17 6.59 49.4 2.74 14.1 16.5 78.5 21.2 0.271 193
70 3.0 6.13 7.81 57.5 2.71 16.4 19.4 92.4 24.7 0.270 163
70 4.0 7.97 10.1 72.1 2.67 20.6 24.8 119 31.1 0.266 126
70 5.0 9.70 12.4 84.6 2.62 24.2 29.6 142 36.7 0.263 103
70 6.0 11.3 14.4 95.2 2.57 27.2 33.8 163 41.4 0.259 88.3
70 6.3 11.5 14.7 93.8 2.53 26.8 33.8 168 42.1 0.253 86.7
80 3.0 7.07 9.01 87.8 3.12 22.0 25.8 140 33.0 0.310 141
80 4.0 9.22 11.7 111 3.07 27.8 33.1 180 41.8 0.306 108
80 5.0 11.3 14.4 131 3.03 32.9 39.7 218 49.7 0.303 88.7
80 6.0 13.2 16.8 149 2.98 37.3 45.8 252 56.6 0.299 75.7
80 6.3 13.5 17.2 149 2.94 37.1 46.1 261 57.9 0.293 74.0
80 8.0 16.4 20.8 168 2.84 42.1 53.9 307 66.6 0.286 61.1
90 3.0 8.01 10.2 127 3.53 28.3 33.0 201 42.5 0.350 125
90 4.0 10.5 13.3 162 3.48 36.0 42.6 261 54.2 0.346 95.4
90 5.0 12.8 16.4 193 3.43 42.9 51.4 316 64.7 0.343 77.9
90 6.0 15.1 19.2 220 3.39 49.0 59.5 368 74.2 0.339 66.2
90 6.3 15.5 19.7 221 3.35 49.1 60.3 382 76.2 0.333 64.6
90 8.0 18.9 24.0 255 3.25 56.6 71.3 456 88.8 0.326 53.0
100 3.0 8.96 11.4 177 3.94 35.4 41.2 279 53.2 0.390 112
100 4.0 11.7 14.9 226 3.89 45.3 53.3 362 68.1 0.386 85.2
100 5.0 14.4 18.4 271 3.84 54.2 64.6 441 81.7 0.383 69.4
100 6.0 17.0 21.6 311 3.79 62.3 75.1 514 94.1 0.379 58.9
100 6.3 17.5 22.2 314 3.76 62.8 76.4 536 97.0 0.373 57.3
100 8.0 21.4 27.2 366 3.67 73.2 91.1 645 114 0.366 46.8
100 10.0 25.6 32.6 411 3.55 82.2 105 750 130 0.357 39.1
100 12.0 28.3 36.1 408 3.36 81.6 110 794 136 0.338 35.3
100 12.5 29.1 37.0 410 3.33 82.1 111 804 137 0.336 34.4
120 3.0 10.8 13.8 312 4.76 52.1 60.2 488 78.2 0.470 92.3
120 4.0 14.2 18.1 402 4.71 67.0 78.3 637 101 0.466 70.2
120 5.0 17.5 22.4 485 4.66 80.9 95.4 778 122 0.463 57.0
120 6.0 20.7 26.4 562 4.61 93.7 112 913 141 0.459 48.2
120 6.3 21.4 27.3 572 4.58 95.3 114 955 146 0.453 46.7
120 8.0 26.4 33.6 677 4.49 113 138 1163 175 0.446 37.9
120 10.0 31.8 40.6 777 4.38 129 162 1376 203 0.437 31.4
120 12.0 35.8 45.7 806 4.20 134 174 1518 219 0.418 27.9
120 12.5 36.9 47.0 817 4.17 136 178 1551 223 0.416 27.1
140 4.0 16.8 21.3 652 5.52 93.1 108 1023 140 0.546 59.7
140 5.0 20.7 26.4 791 5.48 113 132 1256 170 0.543 48.3
140 6.0 24.5 31.2 920 5.43 131 155 1479 198 0.539 40.8
140 6.3 25.4 32.3 941 5.39 134 160 1550 205 0.533 39.4
140 8.0 31.4 40.0 1127 5.30 161 194 1901 248 0.526 31.8
140 10.0 38.1 48.6 1312 5.20 187 230 2274 291 0.517 26.2
140 12.0 43.4 55.3 1398 5.03 200 253 2567 322 0.498 23.1
140 12.5 44.8 57.0 1425 5.00 204 259 2634 329 0.496 22.3
150 4.0 18.0 22.9 808 5.93 108 125 1265 162 0.586 55.5
150 5.0 22.3 28.4 982 5.89 131 153 1554 197 0.583 44.9
150 6.0 26.4 33.6 1146 5.84 153 180 1833 230 0.579 37.9
150 6.3 27.4 34.8 1174 5.80 156 185 1922 239 0.573 36.6
150 8.0 33.9 43.2 1412 5.71 188 226 2364 289 0.566 29.5
150 10.0 41.3 52.6 1653 5.61 220 269 2839 341 0.557 24.2
150 12.0 47.1 60.1 1780 5.44 237 298 3231 380 0.538 21.2
150 12.5 48.7 62.0 1817 5.41 242 306 3321 389 0.536 20.5
150 16.0 58.7 74.8 2009 5.18 268 351 3830 440 0.518 17.0
160 4.0 19.3 24.5 987 6.34 123 143 1541 185 0.626 51.9
160 5.0 23.8 30.4 1202 6.29 150 175 1896 226 0.623 42.0
160 6.0 28.3 36.0 1405 6.25 176 206 2239 264 0.619 35.4
160 6.3 29.3 37.4 1442 6.21 180 213 2349 275 0.613 34.1
160 8.0 36.5 46.4 1741 6.12 218 260 2897 334 0.606 27.4
160 10.0 44.4 56.6 2048 6.02 256 311 3490 395 0.597 22.5
160 12.0 50.9 64.9 2224 5.86 278 346 3997 443 0.578 19.6
160 12.5 52.6 67.0 2275 5.83 284 356 4114 455 0.576 19.0
160 16.0 63.7 81.2 2546 5.60 318 413 4799 520 0.558 15.7
180 4.0 21.8 27.7 1422 7.16 158 182 2210 237 0.706 45.9
180 5.0 27.0 34.4 1737 7.11 193 224 2724 290 0.703 37.1
180 6.0 32.1 40.8 2037 7.06 226 264 3223 340 0.699 31.2
180 6.3 33.3 42.4 2096 7.03 233 273 3383 354 0.693 30.0
180 8.0 41.5 52.8 2546 6.94 283 336 4189 432 0.686 24.1
180 10.0 50.7 64.6 3017 6.84 335 404 5074 515 0.677 19.7
180 12.0 58.5 74.5 3322 6.68 369 454 5865 584 0.658 17.1
180 12.5 60.5 77.0 3406 6.65 378 467 6050 600 0.656 16.5
180 16.0 73.8 94.0 3887 6.43 432 550 7178 698 0.638 13.6
200 4.0 24.3 30.9 1968 7.97 197 226 3049 295 0.786 41.2
200 5.0 30.1 38.4 2410 7.93 241 279 3763 362 0.783 33.2
200 6.0 35.8 45.6 2833 7.88 283 330 4459 426 0.779 27.9
200 6.3 37.2 47.4 2922 7.85 292 341 4682 444 0.773 26.8
200 8.0 46.5 59.2 3566 7.76 357 421 5815 544 0.766 21.5
200 10.0 57.0 72.6 4251 7.65 425 508 7072 651 0.757 17.6
200 12.0 66.0 84.1 4730 7.50 473 576 8230 743 0.738 15.2
200 12.5 68.3 87.0 4859 7.47 486 594 8502 765 0.736 14.6
200 16.0 83.8 107 5625 7.26 562 706 10210 901 0.718 11.9
220 5.0 33.2 42.4 3238 8.74 294 340 5038 442 0.863 30.1
220 6.0 39.6 50.4 3813 8.70 347 402 5976 521 0.859 25.3
220 6.3 41.2 52.5 3940 8.66 358 417 6277 543 0.853 24.3
220 8.0 51.5 65.6 4828 8.58 439 516 7815 668 0.846 19.4
220 10.0 63.2 80.6 5782 8.47 526 625 9533 804 0.837 15.8
220 12.0 73.5 93.7 6487 8.32 590 712 11150 922 0.818 13.6
220 12.5 76.2 97.0 6674 8.29 607 735 11530 951 0.816 13.1
220 16.0 93.9 120 7812 8.08 710 881 13970 1129 0.798 10.7
250 5.0 38.0 48.4 4805 9.97 384 442 7443 577 0.983 26.3
250 6.0 45.2 57.6 5672 9.92 454 524 8843 681 0.979 22.1
250 6.3 47.1 60.0 5873 9.89 470 544 9290 711 0.973 21.2
250 8.0 59.1 75.2 7229 9.80 578 676 11600 878 0.966 16.9
250 10.0 72.7 92.6 8707 9.70 697 822 14200 1062 0.957 13.8
250 12.0 84.8 108 9859 9.55 789 944 16690 1226 0.938 11.8
250 12.5 88.0 112 10160 9.52 813 975 17280 1266 0.936 11.4
250 16.0 109 139 12050 9.32 964 1180 21150 1520 0.918 9.18
260 6.0 47.1 60.0 6405 10.3 493 569 9970 739 1.02 21.2
260 6.3 49.1 62.6 6635 10.3 510 591 10480 772 1.01 20.4
260 8.0 61.6 78.4 8178 10.2 629 734 13090 955 1.01 16.2
260 10.0 75.8 96.6 9865 10.1 759 894 16040 1156 0.997 13.2
260 12.0 88.6 113 11200 9.96 862 1028 18880 1337 0.978 11.3
260 12.5 91.9 117 11550 9.93 888 1063 19550 1381 0.976 10.9
260 16.0 114 145 13740 9.73 1057 1289 23990 1663 0.958 8.77
300 6.0 54.7 69.6 9964 12.0 664 764 15430 997 1.18 18.3
300 6.3 57.0 72.6 10340 11.9 689 795 16220 1042 1.17 17.5
300 8.0 71.6 91.2 12800 11.8 853 991 20310 1293 1.17 14.0
300 10.0 88.4 113 15520 11.7 1035 1211 24970 1572 1.16 11.3
300 12.0 104 132 17770 11.6 1184 1402 29510 1829 1.14 9.65
300 12.5 108 137 18350 11.6 1223 1451 30600 1892 1.14 9.30
300 16.0 134 171 22080 11.4 1472 1774 37840 2299 1.12 7.46
350 8.0 84.2 107 20680 13.9 1182 1366 32560 1787 1.37 11.9
350 10.0 104 133 25190 13.8 1439 1675 40130 2182 1.36 9.61
350 12.0 123 156 29050 13.6 1660 1949 47600 2552 1.34 8.16
350 12.5 127 162 30050 13.6 1717 2020 49390 2642 1.34 7.86
350 16.0 159 203 36510 13.4 2086 2488 61480 3238 1.32 6.28
400 10.0 120 153 38220 15.8 1911 2214 60430 2892 1.56 8.35
400 12.0 141 180 44320 15.7 2216 2587 71840 3395 1.54 7.07
400 12.5 147 187 45880 15.7 2294 2683 74600 3518 1.54 6.81
400 16.0 184 235 56150 15.5 2808 3322 93280 4336 1.52 5.43
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