Dimensions - Universal Columns

Welcome to our Universal Column dimensions page! Here you'll find dimensions for all UK Universal Column steel sections described by the Steelwork Design Guide to BS5950-1:2000, Volume 1, Section Properties, Member Capacities, 7th Edition (also known as The Blue Book). Sort the table below according to any property and select a CAD file to download using the reference links in the left-most column. You can also purchase all our CAD data in one easy download, containing the sections as individual files and AutoCAD Design Center files or Microstation cel libraries - just click on the Shop button in the navigation above.

Section Reference Mass per Metre Depth of Section Width of Section Thickness Root Radius Depth between Fillets Ratios for Local Buckling Dimensions for Detailing Surface Area
        Web Flange     Flange Web End Clearance Notch Per Metre Per Tonne
  kg/m D
mm
B
mm
t
mm
T
mm
r
mm
d
mm
b/T d/t C
mm
N
mm
n
mm
m2 m2
356x406x634 633.9 474.6 424 47.6 77 15.2 290.2 2.75 6.1 26 200 94 2.52 3.98
356x406x551 551 455.6 418.5 42.1 67.5 15.2 290.2 3.1 6.89 23 200 84 2.47 4.48
356x406x467 467 436.6 412.2 35.8 58 15.2 290.2 3.55 8.11 20 200 74 2.42 5.18
356x406x393 393 419 407 30.6 49.2 15.2 290.2 4.14 9.48 17 200 66 2.38 6.06
356x406x340 339.9 406.4 403 26.6 42.9 15.2 290.2 4.7 10.9 15 200 60 2.35 6.91
356x406x287 287.1 393.6 399 22.6 36.5 15.2 290.2 5.47 12.8 13 200 52 2.31 8.05
356x406x235 235.1 381 394.8 18.4 30.2 15.2 290.2 6.54 15.8 11 200 46 2.28 9.7
356x368x202 201.9 374.6 374.7 16.5 27 15.2 290.2 6.94 17.6 10 190 44 2.19 10.8
356x368x177 177 368.2 372.6 14.4 23.8 15.2 290.2 7.83 20.2 9 190 40 2.17 12.3
356x368x153 152.9 362 370.5 12.3 20.7 15.2 290.2 8.95 23.6 8 190 36 2.16 14.1
356x368x129 129 355.6 368.6 10.4 17.5 15.2 290.2 10.5 27.9 7 190 34 2.14 16.6
305x305x283 282.9 365.3 322.2 26.8 44.1 15.2 246.7 3.65 9.21 15 158 60 1.94 6.86
305x305x240 240 352.5 318.4 23 37.7 15.2 246.7 4.22 10.7 14 158 54 1.91 7.96
305x305x198 198.1 339.9 314.5 19.1 31.4 15.2 246.7 5.01 12.9 12 158 48 1.87 9.44
305x305x158 158.1 327.1 311.2 15.8 25 15.2 246.7 6.22 15.6 10 158 42 1.84 11.6
305x305x137 136.9 320.5 309.2 13.8 21.7 15.2 246.7 7.12 17.9 9 158 38 1.82 13.3
305x305x118 117.9 314.5 307.4 12 18.7 15.2 246.7 8.22 20.6 8 158 34 1.81 15.4
305x305x97 96.9 307.9 305.3 9.9 15.4 15.2 246.7 9.91 24.9 7 158 32 1.79 18.5
254x254x167 167.1 289.1 265.2 19.2 31.7 12.7 200.3 4.18 10.4 12 134 46 1.58 9.46
254x254x132 132 276.3 261.3 15.3 25.3 12.7 200.3 5.16 13.1 10 134 38 1.55 11.7
254x254x107 107.1 266.7 258.8 12.8 20.5 12.7 200.3 6.31 15.6 8 134 34 1.52 14.2
254x254x89 88.9 260.3 256.3 10.3 17.3 12.7 200.3 7.41 19.4 7 134 30 1.5 16.9
254x254x73 73.1 254.1 254.6 8.6 14.2 12.7 200.3 8.96 23.3 6 134 28 1.49 20.4
203x203x127 127.5 241.4 213.9 18.1 30.1 10.2 160.8 3.55 8.88 11 108 42 1.28 10
203x203x113 113.5 235 212.1 16.3 26.9 10.2 160.8 3.94 9.87 10 108 38 1.27 11.2
203x203x100 99.6 228.6 210.3 14.5 23.7 10.2 160.8 4.44 11.1 9 108 34 1.25 12.6
203x203x86 86.1 222.2 209.1 12.7 20.5 10.2 160.8 5.1 12.7 8 110 32 1.24 14.4
203x203x71 71 215.8 206.4 10 17.3 10.2 160.8 5.97 16.1 7 110 28 1.22 17.2
203x203x60 60 209.6 205.8 9.4 14.2 10.2 160.8 7.25 17.1 7 110 26 1.21 20.2
203x203x52 52 206.2 204.3 7.9 12.5 10.2 160.8 8.17 20.4 6 110 24 1.2 23.1
203x203x46 46.1 203.2 203.6 7.2 11 10.2 160.8 9.25 22.3 6 110 22 1.19 25.8
152x152x51 51.2 170.2 157.4 11 15.7 7.6 123.6 5.01 11.2 8 84 24 0.935 18.3
152x152x44 44 166 155.9 9.5 13.6 7.6 123.6 5.73 13 7 84 22 0.924 21
152x152x37 37 161.8 154.4 8 11.5 7.6 123.6 6.71 15.5 6 84 20 0.912 24.7
152x152x30 30 157.6 152.9 6.5 9.4 7.6 123.6 8.13 19 5 84 18 0.901 30
152x152x23 23 152.4 152.2 5.8 6.8 7.6 123.6 11.2 21.3 5 84 16 0.889 38.7