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

Circular hollow section Y Y Z Z T D
Circular hollow section

Specified outside diameter $ D $ , 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} $
21.3 2.0 0.95 1.21 0.571 0.686 0.536 0.748 1.14 1.07 0.067 1050
21.3 2.5 1.16 1.48 0.664 0.671 0.623 0.889 1.33 1.25 0.067 863
21.3 3.0 1.35 1.72 0.741 0.656 0.696 1.01 1.48 1.39 0.067 739
26.9 2.0 1.23 1.56 1.22 0.883 0.907 1.24 2.44 1.81 0.085 814
26.9 2.5 1.50 1.92 1.44 0.867 1.07 1.49 2.88 2.14 0.085 665
26.9 3.0 1.77 2.25 1.63 0.852 1.21 1.72 3.27 2.43 0.085 566
33.7 2.0 1.56 1.99 2.51 1.12 1.49 2.01 5.02 2.98 0.106 640
33.7 2.5 1.92 2.45 3.00 1.11 1.78 2.44 6.00 3.56 0.106 520
33.7 3.0 2.27 2.89 3.44 1.09 2.04 2.84 6.88 4.08 0.106 440
42.4 2.0 1.99 2.54 5.19 1.43 2.45 3.27 10.4 4.90 0.133 502
42.4 2.5 2.46 3.13 6.26 1.41 2.95 3.99 12.5 5.91 0.133 407
42.4 3.0 2.91 3.71 7.25 1.40 3.42 4.67 14.5 6.84 0.133 343
42.4 4.0 3.79 4.83 8.99 1.36 4.24 5.92 18.0 8.48 0.133 264
48.3 2.0 2.28 2.91 7.81 1.64 3.23 4.29 15.6 6.47 0.152 438
48.3 2.5 2.82 3.60 9.46 1.62 3.92 5.25 18.9 7.83 0.152 354
48.3 3.0 3.35 4.27 11.0 1.61 4.55 6.17 22.0 9.11 0.152 298
48.3 4.0 4.37 5.57 13.8 1.57 5.70 7.87 27.5 11.4 0.152 229
48.3 5.0 5.34 6.80 16.2 1.54 6.69 9.42 32.3 13.4 0.152 187
60.3 2.0 2.88 3.66 15.6 2.06 5.17 6.80 31.2 10.3 0.189 348
60.3 2.5 3.56 4.54 19.0 2.05 6.30 8.36 38.0 12.6 0.189 281
60.3 3.0 4.24 5.40 22.2 2.03 7.37 9.86 44.4 14.7 0.189 236
60.3 4.0 5.55 7.07 28.2 2.00 9.34 12.7 56.3 18.7 0.189 180
60.3 5.0 6.82 8.69 33.5 1.96 11.1 15.3 67.0 22.2 0.189 147
76.1 2.0 3.65 4.66 32.0 2.62 8.40 11.0 64.0 16.8 0.239 274
76.1 2.5 4.54 5.78 39.2 2.60 10.3 13.5 78.4 20.6 0.239 220
76.1 3.0 5.41 6.89 46.1 2.59 12.1 16.0 92.2 24.2 0.239 185
76.1 4.0 7.11 9.06 59.1 2.55 15.5 20.8 118 31.0 0.239 141
76.1 5.0 8.77 11.2 70.9 2.52 18.6 25.3 142 37.3 0.239 114
76.1 6.0 10.4 13.2 81.8 2.49 21.5 29.6 164 43.0 0.239 96.4
76.1 6.3 10.8 13.8 84.8 2.48 22.3 30.8 170 44.6 0.239 92.2
88.9 2.0 4.29 5.46 51.6 3.07 11.6 15.1 103 23.2 0.279 233
88.9 2.5 5.33 6.79 63.4 3.06 14.3 18.7 127 28.5 0.279 188
88.9 3.0 6.36 8.10 74.8 3.04 16.8 22.1 150 33.6 0.279 157
88.9 4.0 8.38 10.7 96.3 3.00 21.7 28.9 193 43.3 0.279 119
88.9 5.0 10.3 13.2 116 2.97 26.2 35.2 233 52.4 0.279 96.7
88.9 6.0 12.3 15.6 135 2.94 30.4 41.3 270 60.7 0.279 81.5
88.9 6.3 12.8 16.3 140 2.93 31.5 43.1 280 63.1 0.279 77.9
101.6 2.0 4.91 6.26 77.6 3.52 15.3 19.8 155 30.6 0.319 204
101.6 2.5 6.11 7.78 95.6 3.50 18.8 24.6 191 37.6 0.319 164
101.6 3.0 7.29 9.29 113 3.49 22.3 29.2 226 44.5 0.319 137
101.6 4.0 9.63 12.3 146 3.45 28.8 38.1 293 57.6 0.319 104
101.6 5.0 11.9 15.2 177 3.42 34.9 46.7 355 69.9 0.319 84.0
101.6 6.0 14.1 18.0 207 3.39 40.7 54.9 413 81.4 0.319 70.7
101.6 6.3 14.8 18.9 215 3.38 42.3 57.3 430 84.7 0.319 67.5
114.3 2.5 6.89 8.78 137 3.95 24.0 31.3 275 48.0 0.359 145
114.3 3.0 8.23 10.5 163 3.94 28.4 37.2 325 56.9 0.359 121
114.3 4.0 10.9 13.9 211 3.90 36.9 48.7 422 73.9 0.359 91.9
114.3 5.0 13.5 17.2 257 3.87 45.0 59.8 514 89.9 0.359 74.2
114.3 6.0 16.0 20.4 300 3.83 52.5 70.4 600 105 0.359 62.4
114.3 6.3 16.8 21.4 313 3.82 54.7 73.6 625 109 0.359 59.6
114.3 8.0 21.0 26.7 379 3.77 66.4 90.6 759 133 0.359 47.7
139.7 3.0 10.1 12.9 301 4.83 43.1 56.1 602 86.2 0.439 98.9
139.7 4.0 13.4 17.1 393 4.80 56.2 73.7 786 112 0.439 74.7
139.7 5.0 16.6 21.2 481 4.77 68.8 90.8 961 138 0.439 60.2
139.7 6.0 19.8 25.2 564 4.73 80.8 107 1129 162 0.439 50.5
139.7 6.3 20.7 26.4 589 4.72 84.3 112 1177 169 0.439 48.2
139.7 8.0 26.0 33.1 720 4.66 103 139 1441 206 0.439 38.5
139.7 10.0 32.0 40.7 862 4.60 123 169 1724 247 0.439 31.3
168.3 3.0 12.2 15.6 532 5.85 63.3 82.0 1065 127 0.529 81.8
168.3 4.0 16.2 20.6 697 5.81 82.8 108 1394 166 0.529 61.7
168.3 5.0 20.1 25.7 856 5.78 102 133 1712 203 0.529 49.7
168.3 6.0 24.0 30.6 1009 5.74 120 158 2017 240 0.529 41.6
168.3 6.3 25.2 32.1 1053 5.73 125 165 2107 250 0.529 39.7
168.3 8.0 31.6 40.3 1297 5.67 154 206 2595 308 0.529 31.6
168.3 10.0 39.0 49.7 1564 5.61 186 251 3128 372 0.529 25.6
177.8 4.0 17.1 21.8 825 6.15 92.8 121 1650 186 0.559 58.3
177.8 5.0 21.3 27.1 1014 6.11 114 149 2028 228 0.559 46.9
177.8 6.0 25.4 32.4 1196 6.08 135 177 2392 269 0.559 39.3
177.8 6.3 26.6 33.9 1250 6.07 141 185 2499 281 0.559 37.5
177.8 8.0 33.5 42.7 1541 6.01 173 231 3083 347 0.559 29.9
177.8 10.0 41.4 52.7 1862 5.94 209 282 3724 419 0.559 24.2
177.8 12.0 49.1 62.5 2159 5.88 243 330 4318 486 0.559 20.4
177.8 12.5 51.0 64.9 2230 5.86 251 342 4460 502 0.559 19.6
193.7 4.0 18.7 23.8 1073 6.71 111 144 2146 222 0.609 53.4
193.7 5.0 23.3 29.6 1320 6.67 136 178 2640 273 0.609 43.0
193.7 6.0 27.8 35.4 1560 6.64 161 211 3119 322 0.609 36.0
193.7 6.3 29.1 37.1 1630 6.63 168 221 3260 337 0.609 34.3
193.7 8.0 36.6 46.7 2016 6.57 208 276 4031 416 0.609 27.3
193.7 10.0 45.3 57.7 2442 6.50 252 338 4883 504 0.609 22.1
193.7 12.0 53.8 68.5 2839 6.44 293 397 5678 586 0.609 18.6
193.7 12.5 55.9 71.2 2934 6.42 303 411 5869 606 0.609 17.9
219.1 4.0 21.2 27.0 1564 7.61 143 185 3128 286 0.688 47.1
219.1 5.0 26.4 33.6 1928 7.57 176 229 3856 352 0.688 37.9
219.1 6.0 31.5 40.2 2282 7.54 208 273 4564 417 0.688 31.7
219.1 6.3 33.1 42.1 2386 7.53 218 285 4772 436 0.688 30.2
219.1 8.0 41.6 53.1 2960 7.47 270 357 5919 540 0.688 24.0
219.1 10.0 51.6 65.7 3598 7.40 328 438 7197 657 0.688 19.4
219.1 12.0 61.3 78.1 4200 7.33 383 515 8400 767 0.688 16.3
219.1 12.5 63.7 81.1 4345 7.32 397 534 8689 793 0.688 15.7
244.5 5.0 29.5 37.6 2699 8.47 221 287 5397 441 0.768 33.9
244.5 6.0 35.3 45.0 3199 8.43 262 341 6397 523 0.768 28.3
244.5 6.3 37.0 47.1 3346 8.42 274 358 6692 547 0.768 27.0
244.5 8.0 46.7 59.4 4160 8.37 340 448 8321 681 0.768 21.4
244.5 10.0 57.8 73.7 5073 8.30 415 550 10150 830 0.768 17.3
244.5 12.0 68.8 87.7 5938 8.23 486 649 11880 972 0.768 14.5
244.5 12.5 71.5 91.1 6147 8.21 503 673 12300 1006 0.768 14.0
273.0 5.0 33.0 42.1 3781 9.48 277 359 7562 554 0.858 30.3
273.0 6.0 39.5 50.3 4487 9.44 329 428 8974 657 0.858 25.3
273.0 6.3 41.4 52.8 4696 9.43 344 448 9392 688 0.858 24.1
273.0 8.0 52.3 66.6 5852 9.37 429 562 11700 857 0.858 19.1
273.0 10.0 64.9 82.6 7154 9.31 524 692 14310 1048 0.858 15.4
273.0 12.0 77.2 98.4 8396 9.24 615 818 16790 1230 0.858 12.9
273.0 12.5 80.3 102 8697 9.22 637 849 17400 1274 0.858 12.5
323.9 5.0 39.3 50.1 6369 11.3 393 509 12740 787 1.02 25.4
323.9 6.0 47.0 59.9 7572 11.2 468 606 15150 935 1.02 21.3
323.9 6.3 49.3 62.9 7929 11.2 490 636 15860 979 1.02 20.3
323.9 8.0 62.3 79.4 9910 11.2 612 799 19820 1224 1.02 16.0
323.9 10.0 77.4 98.6 12160 11.1 751 986 24320 1501 1.02 12.9
323.9 12.0 92.3 118 14320 11.0 884 1168 28640 1768 1.02 10.8
323.9 12.5 96.0 122 14850 11.0 917 1213 29690 1833 1.02 10.4
355.6 5.0 43.2 55.1 8464 12.4 476 615 16930 952 1.12 23.1
355.6 6.0 51.7 65.9 10070 12.4 566 733 20140 1133 1.12 19.3
355.6 6.3 54.3 69.1 10550 12.4 593 769 21090 1186 1.12 18.4
355.6 8.0 68.6 87.4 13200 12.3 742 967 26400 1485 1.12 14.6
355.6 10.0 85.2 109 16220 12.2 912 1195 32450 1825 1.12 11.7
355.6 12.0 102 130 19140 12.2 1076 1417 38280 2153 1.12 9.83
355.6 12.5 106 135 19850 12.1 1117 1472 39700 2233 1.12 9.45
355.6 16.0 134 171 24660 12.0 1387 1847 49330 2774 1.12 7.46
355.6 20.0 166 211 29800 11.9 1676 2255 59580 3351 1.12 6.04
406.4 6.0 59.2 75.5 15130 14.2 745 962 30260 1489 1.28 16.9
406.4 6.3 62.2 79.2 15850 14.1 780 1009 31700 1560 1.28 16.1
406.4 8.0 78.6 100 19870 14.1 978 1270 39750 1956 1.28 12.7
406.4 10.0 97.8 125 24480 14.0 1205 1572 48950 2409 1.28 10.2
406.4 12.0 117 149 28940 14.0 1424 1867 57870 2848 1.28 8.57
406.4 12.5 121 155 30030 13.9 1478 1940 60060 2956 1.28 8.24
406.4 16.0 154 196 37450 13.8 1843 2440 74900 3686 1.28 6.49
406.4 20.0 191 243 45430 13.7 2236 2989 90860 4472 1.28 5.25
406.4 25.0 235 300 54700 13.5 2692 3642 109400 5384 1.28 4.25
457.0 6.0 66.7 85.0 21620 15.9 946 1220 43240 1892 1.44 15.0
457.0 6.3 70.0 89.2 22650 15.9 991 1280 45310 1983 1.44 14.3
457.0 8.0 88.6 113 28450 15.9 1245 1613 56900 2490 1.44 11.3
457.0 10.0 110 140 35090 15.8 1536 1998 70180 3071 1.44 9.07
457.0 12.0 132 168 41560 15.7 1819 2377 83110 3637 1.44 7.59
457.0 12.5 137 175 43150 15.7 1888 2470 86290 3776 1.44 7.30
457.0 16.0 174 222 53960 15.6 2361 3113 107900 4723 1.44 5.75
457.0 20.0 216 275 65680 15.5 2874 3822 131400 5749 1.44 4.64
457.0 25.0 266 339 79420 15.3 3475 4671 158800 6951 1.44 3.75
457.0 30.0 316 402 92170 15.1 4034 5479 184400 8068 1.44 3.17
508.0 6.0 74.3 94.6 29810 17.7 1174 1512 59620 2347 1.60 13.5
508.0 6.3 77.9 99.3 31250 17.7 1230 1586 62490 2460 1.60 12.8
508.0 8.0 98.6 126 39280 17.7 1546 2000 78560 3093 1.60 10.1
508.0 10.0 123 156 48520 17.6 1910 2480 97040 3820 1.60 8.14
508.0 12.0 147 187 57540 17.5 2265 2953 115100 4530 1.60 6.81
508.0 12.5 153 195 59760 17.5 2353 3070 119500 4705 1.60 6.55
508.0 16.0 194 247 74910 17.4 2949 3874 149800 5898 1.60 5.15
508.0 20.0 241 307 91430 17.3 3600 4766 182900 7199 1.60 4.15
508.0 25.0 298 379 111000 17.1 4367 5837 221800 8734 1.60 3.36
508.0 30.0 354 451 129200 16.9 5086 6864 258400 10170 1.60 2.83
610.0 6.0 89.4 114 51920 21.4 1702 2189 103900 3405 1.92 11.2
610.0 6.3 93.8 119 54440 21.3 1785 2296 108900 3570 1.92 10.7
610.0 8.0 119 151 68550 21.3 2248 2899 137100 4495 1.92 8.42
610.0 10.0 148 188 84850 21.2 2782 3600 169700 5564 1.92 6.76
610.0 12.0 177 225 100800 21.1 3305 4292 201700 6611 1.92 5.65
610.0 12.5 184 235 104800 21.1 3435 4463 209000 6869 1.92 5.43
610.0 16.0 234 299 131800 21.0 4321 5647 263600 8641 1.92 4.27
610.0 20.0 291 371 161500 20.9 5295 6965 323000 10590 1.92 3.44
610.0 25.0 361 459 196900 20.7 6456 8561 393800 12910 1.92 2.77
610.0 30.0 429 547 230500 20.5 7557 10100 461000 15110 1.92 2.33
711.0 6.0 104 133 82570 24.9 2323 2982 165100 4645 2.23 9.59
711.0 6.3 109 139 86590 24.9 2436 3129 173200 4871 2.23 9.13
711.0 8.0 139 177 109200 24.9 3071 3954 218300 6141 2.23 7.21
711.0 10.0 173 220 135300 24.8 3806 4914 270600 7612 2.23 5.78
711.0 12.0 207 264 161000 24.7 4529 5864 322000 9057 2.23 4.83
711.0 12.5 215 274 167300 24.7 4707 6099 334700 9415 2.23 4.64
711.0 16.0 274 349 211000 24.6 5936 7730 422100 11870 2.23 3.65
711.0 20.0 341 434 259400 24.4 7295 9552 518700 14590 2.23 2.93
711.0 25.0 423 539 317400 24.3 8927 11770 634700 17850 2.23 2.36
711.0 30.0 504 642 372800 24.1 10490 13920 745600 21000 2.23 1.98
762.0 6.0 112 143 101800 26.7 2672 3429 20360 5345 2.39 8.94
762.0 6.3 117 150 106800 26.7 2803 3598 213600 5605 2.39 8.52
762.0 8.0 149 190 134700 26.7 3535 4548 269400 7070 2.39 6.72
762.0 10.0 185 236 167000 26.6 4384 5655 334100 8768 2.39 5.39
762.0 12.0 222 283 198900 26.5 5219 6751 397700 10440 2.39 4.51
762.0 12.5 231 294 206700 26.5 5426 7023 413500 10900 2.39 4.33
762.0 16.0 294 375 261000 26.4 6850 8906 522000 13700 2.39 3.40
762.0 20.0 366 466 321100 26.2 8427 11000 642200 16860 2.39 2.73
762.0 25.0 454 579 393500 26.1 10327 13580 786900 20650 2.39 2.20
762.0 30.0 542 690 462900 25.9 12148 16080 925700 24300 2.39 1.85
813.0 8.0 159 202 163900 28.5 4032 5184 327800 8064 2.55 6.30
813.0 10.0 198 252 203400 28.4 5003 6448 406700 10010 2.55 5.05
813.0 12.0 237 302 242200 28.3 5959 7700 484500 11930 2.55 4.22
813.0 12.5 247 314 251900 28.3 6196 8011 503700 12400 2.55 4.05
813.0 16.0 314 401 318200 28.2 7828 10170 636400 15660 2.55 3.18
813.0 20.0 391 498 392000 28.0 9641 12600 783800 19280 2.55 2.56
813.0 25.0 486 619 480900 27.9 11829 15530 961700 23660 2.55 2.06
813.0 30.0 579 738 566400 27.7 13933 18400 1133000 27870 2.55 1.73
914.0 8.0 179 228 233700 32.0 5113 6567 467300 10230 2.87 5.59
914.0 10.0 223 284 290200 32.0 6349 8172 580300 12700 2.87 4.49
914.0 12.0 267 340 345890 31.9 7569 9764 691800 15140 2.87 3.75
914.0 12.5 278 354 359700 31.9 7871 10160 719400 15740 2.87 3.60
914.0 16.0 354 451 455100 31.8 9959 12900 910300 19920 2.87 2.82
914.0 20.0 441 562 561500 31.6 12286 15990 1123000 24570 2.87 2.27
914.0 25.0 548 698 690300 31.4 15105 19760 1381000 30210 2.87 1.82
914.0 30.0 654 833 814800 31.3 17829 23450 1630000 35660 2.87 1.53
1016.0 8.0 199 253 321800 35.6 6334 8129 6436000 12670 3.19 5.03
1016.0 10.0 248 316 399900 35.6 7871 10120 799700 15740 3.19 4.03
1016.0 12.0 297 378 477000 35.5 9389 12100 954000 18780 3.19 3.37
1016.0 12.5 309 394 496100 35.5 9766 12590 992300 19530 3.19 3.23
1016.0 16.0 395 503 628500 35.4 12372 16000 1257000 24740 3.19 2.53
1016.0 20.0 491 626 776300 35.2 15282 19840 1553000 30560 3.19 2.04
1016.0 25.0 611 778 956000 35.0 18821 24560 1912000 37640 3.19 1.64
1016.0 30.0 729 929 1130000 34.9 22251 29180 2261000 44500 3.19 1.37
1067.0 10.0 261 332 463900 37.4 8693 11170 927600 17390 3.35 3.84
1067.0 12.0 312 398 553420 37.3 10373 13360 1107000 20750 3.35 3.20
1067.0 12.5 325 414 575700 37.3 10790 13900 1151000 21580 3.35 3.08
1067.0 16.0 415 528 729600 37.2 13676 17680 1459000 27350 3.35 2.41
1067.0 20.0 516 658 901800 37.0 16903 21930 1804000 33810 3.35 1.94
1067.0 25.0 642 818 1111000 36.9 20831 27150 2223000 41660 3.35 1.56
1067.0 30.0 767 977 1315000 36.7 24646 32270 2630000 49290 3.35 1.30
1168.0 10.0 286 364 609800 40.9 10443 13410 1220000 20890 3.67 3.50
1168.0 12.0 342 436 728100 40.9 12467 16040 1456000 24930 3.67 2.92
1168.0 12.5 356 454 757400 40.9 12969 16690 1515000 25940 3.67 2.81
1168.0 16.0 455 579 960800 40.7 16452 21240 1922000 32900 3.67 2.20
1168.0 20.0 566 721 1189000 40.6 20353 26360 2377000 40710 3.67 1.77
1168.0 25.0 705 898 1467000 40.4 25115 32670 2933000 50230 3.67 1.42
1219.0 10.0 298 380 694000 42.7 11387 14620 1388000 22770 3.83 3.35
1219.0 12.0 357 455 828700 42.7 13597 17480 1657000 27190 3.83 2.80
1219.0 12.5 372 474 862200 42.7 14146 18200 1724000 28290 3.83 2.69
1219.0 16.0 475 605 1094000 42.5 17951 23260 2188000 35900 3.83 2.11
1219.0 20.0 591 753 1354000 42.4 22217 28760 2708400 44440 3.83 1.69
1219.0 25.0 736 938 1672000 42.2 27430 35650 3344000 54860 3.83 1.36