Properties - Equal Angles

Welcome to our Equal Angle properties page! Here you'll find properties for all UK Equal Angle 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.

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Section Reference Dimension Second Moment of Area Radius of Gyration Elastic Modulus Torsional Constant Equivalent Slenderness Coefficient
    Axis
x-x, y-y
Axis
u-u
Axis
v-v
Axis
x-x, y-y
Axis
u-u
Axis
v-v
Axis
x-x, y-y
   
  c cm4 cm4 cm4 cm cm cm cm3 cm4 Φa
200x200x24 5.84 3330 5280 1380 6.06 7.64 3.9 235 182 2.5
200x200x20 5.68 2850 4530 1170 6.11 7.7 3.92 199 107 3.05
200x200x18 5.6 2600 4150 1050 6.13 7.75 3.9 181 78.9 3.43
200x200x16 5.52 2340 3720 960 6.16 7.76 3.94 162 56.1 3.85
150x150x18 4.38 1060 1680 440 4.55 5.73 2.93 99.8 58.6 2.48
150x150x15 4.25 898 1430 370 4.57 5.76 2.93 83.5 34.6 3.01
150x150x12 4.12 737 1170 303 4.6 5.8 2.95 67.7 18.2 3.77
150x150x10 4.03 624 990 258 4.62 5.82 2.97 56.9 10.8 4.51
120x120x15 3.52 448 710 186 3.63 4.57 2.34 52.8 27 2.37
120x120x12 3.4 368 584 152 3.65 4.6 2.35 42.7 14.2 2.99
120x120x10 3.31 313 497 129 3.67 4.63 2.36 36 8.41 3.61
120x120x8 3.24 259 411 107 3.71 4.67 2.38 29.5 4.44 4.56
100x100x15 3.02 250 395 105 2.99 3.76 1.94 35.8 22.3 1.92
100x100x12 2.9 207 328 85.7 3.02 3.8 1.94 29.1 11.8 2.44
100x100x10 2.82 177 280 73 3.04 3.83 1.95 24.6 6.97 2.94
100x100x8 2.74 145 230 59.9 3.06 3.85 1.96 19.9 3.68 3.7
90x90x12 2.66 149 235 62 2.71 3.4 1.75 23.5 10.5 2.17
90x90x10 2.58 127 201 52.6 2.72 3.42 1.75 19.8 6.2 2.64
90x90x8 2.5 104 166 43.1 2.74 3.45 1.76 16.1 3.28 3.33
90x90x7 2.45 92.6 147 38.3 2.75 3.46 1.77 14.1 2.24 3.8
80x80x10 2.34 87.5 139 36.4 2.41 3.03 1.55 15.4 5.45 2.33
80x80x8 2.26 72.2 115 29.9 2.43 3.06 1.56 12.6 2.88 2.94
75x75x8 2.14 59.1 93.8 24.5 2.27 2.86 1.46 11 2.65 2.76
75x75x6 2.05 45.8 72.7 18.9 2.29 2.89 1.47 8.41 1.17 3.7
70x70x7 1.97 42.3 67.1 17.5 2.12 2.67 1.36 8.41 1.69 2.92
70x70x6 1.93 36.9 58.5 15.3 2.13 2.68 1.37 7.27 1.09 3.41
65x65x7 2.05 33.4 53 13.8 1.96 2.47 1.26 7.18 1.58 2.67
60x60x8 1.77 29.2 46.1 12.2 1.8 2.26 1.16 6.89 2.09 2.14
60x60x6 1.69 22.8 36.1 9.44 1.82 2.29 1.17 5.29 0.922 2.9
60x60x5 1.64 19.4 30.7 8.03 1.82 2.3 1.17 4.45 0.55 3.48
50x50x6 1.45 12.8 20.3 5.34 1.5 1.89 0.968 3.61 0.755 2.38
50x50x5 1.4 11 17.4 4.55 1.51 1.9 0.973 3.05 0.45 2.88
50x50x4 1.36 8.97 14.2 3.73 1.52 1.91 0.979 2.46 0.24 3.57
45x45x5 1.25 7.14 11.4 2.94 1.35 1.71 0.87 2.2 0.304 2.84
40x40x5 1.16 5.43 8.6 2.26 1.2 1.51 0.773 1.91 0.352 2.26
40x40x4 1.12 4.47 7.09 1.86 1.21 1.52 0.777 1.55 0.188 2.83
35x35x4 1 2.95 4.68 1.23 1.05 1.32 0.678 1.18 0.158 2.5
30x30x4 0.878 1.8 2.85 0.754 0.892 1.12 0.577 0.85 0.137 2.07
30x30x3 0.835 1.4 2.22 0.585 0.899 1.13 0.581 0.649 0.0613 2.75
25x25x4 0.762 1.02 1.61 0.43 0.741 0.931 0.482 0.586 0.107 1.75
25x25x3 0.723 0.803 1.27 0.334 0.751 0.945 0.484 0.452 0.0472 2.38
20x20x3 0.598 0.392 0.618 0.165 0.59 0.742 0.383 0.279 0.0382 1.81