Cold Formed Circular Hollow Sections
Associated Standard: BS EN 10219
Available In
S355J2
Dimensions and properties to BS EN 10219
Murray Structural stock Cold Formed Circular Hollow Sections in the UK sizes listed below for quick delivery. We also offer a full steel processing service, including cutting and drilling, for all materials.
| Sectional Outer Diameter d mm | Designation Thickness t mm | Mass per Metre kg/m | Area of Section A cm2 | Ratio for Local Buckling d/t | Second Moment of Area I cm4 | Radius of Gyration i cm | Elastic Modulus W el cm3 | Plastic Modulus W pl cm3 | Torsional Constants I T cm4 | Torsional Constants W t cm3 | Surface Area Per Metre m2 | Surface Area Per Tonne m2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sectional Outer Diameter d mm | Designation Thickness t mm | Mass per Metre kg/m | Area of Section A cm2 | Ratio for Local Buckling d/t | Second Moment of Area I cm4 | Radius of Gyration i cm | Elastic Modulus W el cm3 | Plastic Modulus W pl cm3 | Torsional Constants I T cm4 | Torsional Constants W t cm3 | Surface Area Per Metre m2 | Surface Area Per Tonne m2 |
| 88.9 | 3 | 6.36 | 8.1 | 29.6 | 74.8 | 3.04 | 16.8 | 22.1 | 150 | 33.6 | 0.279 | 43.8 |
| 88.9 | 4 | 8.38 | 10.7 | 22.2 | 96.3 | 3 | 21.7 | 28.9 | 193 | 43.3 | 0.279 | 33.2 |
| 88.9 | 5 | 10.3 | 13.2 | 17.8 | 116 | 2.97 | 26.2 | 35.2 | 233 | 52.4 | 0.279 | 27 |
| 114.3 | 3.5 | 9.56 | 12.2 | 32.7 | 187 | 3.92 | 32.7 | 43 | 374 | 65.5 | 0.359 | 37.7 |
| 114.3 | 5 | 13.5 | 17.2 | 22.9 | 257 | 3.87 | 45 | 59.8 | 514 | 89.9 | 0.359 | 26.6 |
| 114.3 | 6 | 16 | 20.4 | 19.1 | 300 | 3.83 | 52.5 | 70.4 | 600 | 105 | 0.359 | 22.4 |
| 139.7 | 5 | 16.6 | 21.2 | 27.9 | 481 | 4.77 | 68.8 | 90.8 | 961 | 138 | 0.439 | 26.4 |
| 139.7 | 6 | 19.8 | 25.2 | 23.3 | 564 | 4.73 | 80.8 | 107 | 1130 | 162 | 0.439 | 22.2 |
| 139.7 | 8 | 26 | 33.1 | 17.5 | 720 | 4.66 | 103 | 139 | 1440 | 206 | 0.439 | 16.9 |
| 139.7 | 10 | 32 | 40.7 | 14 | 862 | 4.6 | 123 | 169 | 1720 | 247 | 0.439 | 13.7 |
| 168.3 | 5 | 20.1 | 25.7 | 33.7 | 856 | 5.78 | 102 | 133 | 1710 | 203 | 0.529 | 26.3 |
| 168.3 | 6 | 24 | 30.6 | 28.1 | 1010 | 5.74 | 120 | 158 | 2020 | 240 | 0.529 | 22 |
| 168.3 | 8 | 31.6 | 40.3 | 21 | 1300 | 5.67 | 154 | 206 | 2600 | 308 | 0.529 | 16.7 |
| 168.3 | 10 | 39 | 49.7 | 16.8 | 1560 | 5.61 | 186 | 251 | 3130 | 372 | 0.529 | 13.5 |
| 168.3 | 12.5 | 48 | 61.2 | 13.5 | 1870 | 5.53 | 222 | 304 | 3740 | 444 | 0.529 | 11 |
| 193.7 | 5 | 23.3 | 29.6 | 38.7 | 1320 | 6.67 | 136 | 178 | 2640 | 273 | 0.609 | 26.2 |
| 193.7 | 6 | 27.8 | 35.4 | 32.3 | 1560 | 6.64 | 161 | 211 | 3120 | 322 | 0.609 | 21.9 |
| 193.7 | 8 | 36.6 | 46.7 | 24.2 | 2020 | 6.57 | 208 | 276 | 4030 | 416 | 0.609 | 16.6 |
| 193.7 | 10 | 45.3 | 57.7 | 19.4 | 2440 | 6.5 | 252 | 338 | 4880 | 504 | 0.609 | 13.5 |
| 193.7 | 12.5 | 55.9 | 71.2 | 15.5 | 2930 | 6.42 | 303 | 411 | 5870 | 606 | 0.609 | 10.9 |
| 219.1 | 5 | 26.4 | 33.6 | 43.8 | 1930 | 7.57 | 176 | 229 | 3860 | 352 | 0.688 | 26.1 |
| 219.1 | 6 | 31.5 | 40.2 | 36.5 | 2280 | 7.54 | 208 | 273 | 4560 | 417 | 0.688 | 21.8 |
| 219.1 | 8 | 41.6 | 53.1 | 27.4 | 2960 | 7.47 | 270 | 357 | 5920 | 540 | 0.688 | 16.5 |
| 219.1 | 10 | 51.6 | 65.7 | 21.9 | 3600 | 7.4 | 328 | 438 | 7200 | 657 | 0.688 | 13.3 |
| 219.1 | 12.5 | 63.7 | 81.1 | 17.5 | 4350 | 7.32 | 397 | 534 | 8690 | 793 | 0.688 | 10.8 |
| 219.1 | 16 | 80.1 | 102 | 13.7 | 5300 | 7.2 | 483 | 661 | 10600 | 967 | 0.688 | 8.6 |
| 244.5 | 5 | 29.5 | 37.6 | 48.9 | 2700 | 8.47 | 221 | 287 | 5400 | 441 | 0.768 | 26 |
| 244.5 | 6 | 35.3 | 45 | 40.8 | 3200 | 8.43 | 262 | 341 | 6400 | 523 | 0.768 | 21.7 |
| 244.5 | 8 | 46.7 | 59.4 | 30.6 | 4160 | 8.37 | 340 | 448 | 8320 | 681 | 0.768 | 16.4 |
| 244.5 | 10 | 57.8 | 73.7 | 24.5 | 5070 | 8.3 | 415 | 550 | 10100 | 830 | 0.768 | 13.3 |
| 244.5 | 12.5 | 71.5 | 91.1 | 19.6 | 6150 | 8.21 | 503 | 673 | 12300 | 1010 | 0.768 | 10.8 |
| 244.5 | 16 | 90.2 | 115 | 15.3 | 7530 | 8.1 | 616 | 837 | 15100 | 1230 | 0.768 | 8.52 |
| 273 | 5 | 33 | 42.1 | 54.6 | 3780 | 9.48 | 277 | 359 | 7560 | 554 | 0.858 | 26 |
| 273 | 6 | 39.5 | 50.3 | 45.5 | 4490 | 9.44 | 329 | 428 | 8970 | 657 | 0.858 | 21.7 |
| 273 | 8 | 52.3 | 66.6 | 34.1 | 5850 | 9.37 | 429 | 562 | 11700 | 857 | 0.858 | 16.4 |
| 273 | 10 | 64.9 | 82.6 | 27.3 | 7150 | 9.31 | 524 | 692 | 14300 | 1050 | 0.858 | 13.2 |
| 273 | 12.5 | 80.3 | 102 | 21.8 | 8700 | 9.22 | 637 | 849 | 17400 | 1270 | 0.858 | 10.7 |
| 273 | 16 | 101 | 129 | 17.1 | 10700 | 9.1 | 784 | 1060 | 21400 | 1570 | 0.858 | 8.46 |
| 323.9 | 5 | 39.3 | 50.1 | 64.8 | 6370 | 11.3 | 393 | 509 | 12700 | 787 | 1.02 | 25.9 |
| 323.9 | 6 | 47 | 59.9 | 54 | 7570 | 11.2 | 468 | 606 | 15100 | 935 | 1.02 | 21.7 |
| 323.9 | 8 | 62.3 | 79.4 | 40.5 | 9910 | 11.2 | 612 | 799 | 19800 | 1220 | 1.02 | 16.3 |
| 323.9 | 10 | 77.4 | 98.6 | 32.4 | 12200 | 11.1 | 751 | 986 | 24300 | 1500 | 1.02 | 13.2 |
| 323.9 | 12.5 | 96 | 122 | 25.9 | 14800 | 11 | 917 | 1210 | 29700 | 1830 | 1.02 | 10.6 |
| 323.9 | 16 | 121 | 155 | 20.2 | 18400 | 10.9 | 1140 | 1520 | 36800 | 2270 | 1.02 | 8.39 |
| 355.6 | 8 | 68.6 | 87.4 | 44.5 | 13200 | 12.3 | 742 | 967 | 26400 | 1490 | 1.12 | 16.4 |
| 355.6 | 10 | 85.2 | 109 | 35.6 | 16200 | 12.2 | 912 | 1200 | 32400 | 1830 | 1.12 | 13.1 |
| 355.6 | 12.5 | 106 | 135 | 28.4 | 19900 | 12.1 | 1120 | 1470 | 39700 | 2230 | 1.12 | 10.6 |
| 355.6 | 16 | 134 | 171 | 22.2 | 24700 | 12 | 1390 | 1850 | 49300 | 2770 | 1.12 | 8.36 |
| 406.4 | 8 | 78.6 | 100 | 50.8 | 19900 | 14.1 | 978 | 1270 | 39700 | 1960 | 1.28 | 16.3 |
| 406.4 | 10 | 97.8 | 125 | 40.6 | 24500 | 14 | 1210 | 1570 | 49000 | 2410 | 1.28 | 13.1 |
| 406.4 | 12.5 | 121 | 155 | 32.5 | 30000 | 13.9 | 1480 | 1940 | 60100 | 2960 | 1.28 | 10.5 |
| 406.4 | 16 | 154 | 196 | 25.4 | 37400 | 13.8 | 1840 | 2440 | 74900 | 3690 | 1.28 | 8.31 |
| 457 | 8 | 88.6 | 113 | 57.1 | 28400 | 15.9 | 1250 | 1610 | 56900 | 2490 | 1.44 | 16.3 |
| 457 | 10 | 110 | 140 | 45.7 | 35100 | 15.8 | 1540 | 2000 | 70200 | 3070 | 1.44 | 13.1 |
| 457 | 12.5 | 137 | 175 | 36.6 | 43100 | 15.7 | 1890 | 2470 | 86300 | 3780 | 1.44 | 10.5 |
| 457 | 16 | 174 | 222 | 28.6 | 54000 | 15.6 | 2360 | 3110 | 108000 | 4720 | 1.44 | 8.28 |
| 508 | 8 | 98.6 | 126 | 63.5 | 39300 | 17.7 | 1550 | 2000 | 78600 | 3090 | 1.6 | 16.2 |
| 508 | 10 | 123 | 156 | 50.8 | 48500 | 17.6 | 1910 | 2480 | 97000 | 3820 | 1.6 | 13 |
| 508 | 12.5 | 153 | 195 | 40.6 | 59800 | 17.5 | 2350 | 3070 | 120000 | 4710 | 1.6 | 10.5 |
| 508 | 16 | 194 | 247 | 31.8 | 74900 | 17.4 | 2950 | 3870 | 150000 | 5900 | 1.6 | 8.24 |
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