Properties - Unequal Angles
Welcome to our Unequal Angle properties page! Here you'll find properties for all UK Unequal 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.
You can also purchase all our CAD data in one easy download, containing the shapes as individual files or AutoCAD Design Center files! Click here to visit our Shop.
| Section Reference | Dimension | Second Moment of Area | Radius of Gyration | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Axis x-x | Axis y-y | Axis u-u | Axis v-v | Axis x-x | Axis y-y | Axis u-u | Axis v-v | |||
| cx | cy | cm4 | cm4 | cm4 | cm4 | cm | cm | cm | cm | |
| 200x150x18 | 6.33 | 3.85 | 2380 | 1150 | 2920 | 623 | 6.29 | 4.37 | 6.97 | 3.22 |
| 200x150x15 | 6.21 | 3.73 | 2020 | 979 | 2480 | 526 | 6.33 | 4.4 | 7 | 3.23 |
| 200x150x12 | 6.08 | 3.61 | 1650 | 803 | 2030 | 430 | 6.36 | 4.44 | 7.04 | 3.25 |
| 200x100x15 | 7.16 | 2.22 | 1760 | 299 | 1860 | 193 | 6.4 | 2.64 | 6.59 | 2.12 |
| 200x100x12 | 7.03 | 2.1 | 1440 | 247 | 1530 | 159 | 6.43 | 2.67 | 6.63 | 2.14 |
| 200x100x10 | 6.93 | 2.01 | 1220 | 210 | 1290 | 135 | 6.46 | 2.68 | 6.65 | 2.15 |
| 150x90x15 | 5.21 | 2.23 | 761 | 205 | 841 | 126 | 4.74 | 2.46 | 4.98 | 1.93 |
| 150x90x12 | 5.08 | 2.12 | 627 | 171 | 694 | 104 | 4.77 | 2.49 | 5.02 | 1.94 |
| 150x90x10 | 5 | 2.04 | 533 | 146 | 591 | 88.3 | 4.8 | 2.51 | 5.05 | 1.95 |
| 150x75x15 | 5.52 | 1.81 | 713 | 119 | 753 | 78.6 | 4.75 | 1.94 | 4.88 | 1.58 |
| 150x75x12 | 5.4 | 1.69 | 588 | 99.6 | 623 | 64.7 | 4.78 | 1.97 | 4.92 | 1.59 |
| 150x75x10 | 5.31 | 1.61 | 501 | 85.6 | 531 | 55.1 | 4.81 | 1.99 | 4.95 | 1.6 |
| 125x75x12 | 4.31 | 1.84 | 354 | 95.5 | 391 | 58.5 | 3.95 | 2.05 | 4.15 | 1.61 |
| 125x75x10 | 4.23 | 1.76 | 302 | 82.1 | 334 | 49.9 | 3.97 | 2.07 | 4.18 | 1.61 |
| 125x75x8 | 4.14 | 1.68 | 247 | 67.6 | 274 | 40.9 | 4 | 2.09 | 4.21 | 1.63 |
| 100x75x12 | 3.27 | 2.03 | 189 | 90.2 | 230 | 49.5 | 3.1 | 2.14 | 3.42 | 1.59 |
| 100x75x10 | 3.19 | 1.95 | 162 | 77.6 | 197 | 42.2 | 3.12 | 2.16 | 3.45 | 1.59 |
| 100x75x8 | 3.1 | 1.87 | 133 | 64.1 | 162 | 34.6 | 3.14 | 2.18 | 3.47 | 1.6 |
| 100x65x10 | 3.36 | 1.63 | 154 | 51 | 175 | 30.1 | 3.14 | 1.81 | 3.35 | 1.39 |
| 100x65x8 | 3.27 | 1.55 | 127 | 42.2 | 144 | 24.8 | 3.16 | 1.83 | 3.37 | 1.4 |
| 100x65x7 | 3.23 | 1.51 | 113 | 37.6 | 128 | 22 | 3.17 | 1.83 | 3.39 | 1.4 |
| 100x50x8 | 3.6 | 1.13 | 116 | 19.7 | 123 | 12.8 | 3.19 | 1.31 | 3.28 | 1.06 |
| 100x50x6 | 3.51 | 1.05 | 89.9 | 15.4 | 95.4 | 9.92 | 3.21 | 1.33 | 3.31 | 1.07 |
| 80x60x7 | 2.51 | 1.52 | 59 | 28.4 | 72 | 15.4 | 2.51 | 1.74 | 2.77 | 1.28 |
| 80x40x8 | 2.94 | 0.963 | 57.6 | 9.61 | 60.9 | 6.34 | 2.53 | 1.03 | 2.6 | 0.838 |
| 80x40x6 | 2.85 | 0.884 | 44.9 | 7.59 | 47.6 | 4.93 | 2.55 | 1.05 | 2.63 | 0.845 |
| 75x50x8 | 2.52 | 1.29 | 52 | 18.4 | 59.6 | 10.8 | 2.35 | 1.4 | 2.52 | 1.07 |
| 75x50x6 | 2.44 | 1.21 | 40.5 | 14.4 | 46.6 | 8.36 | 2.37 | 1.42 | 2.55 | 1.08 |
| 70x50x6 | 2.23 | 1.25 | 33.4 | 14.2 | 39.7 | 7.92 | 2.2 | 1.43 | 2.4 | 1.07 |
| 65x50x5 | 1.99 | 1.25 | 23.2 | 11.9 | 28.8 | 6.32 | 2.05 | 1.47 | 2.28 | 1.07 |
| 60x40x6 | 2 | 1.01 | 20.1 | 7.12 | 23.1 | 4.16 | 1.88 | 1.12 | 2.02 | 0.855 |
| 60x40x5 | 1.96 | 0.972 | 17.2 | 6.11 | 19.7 | 3.54 | 1.89 | 1.13 | 2.03 | 0.86 |
| 60x30x5 | 2.17 | 0.684 | 15.6 | 2.63 | 16.5 | 1.71 | 1.91 | 0.784 | 1.97 | 0.633 |
| 50x30x5 | 1.73 | 0.741 | 9.36 | 2.51 | 10.3 | 1.54 | 1.57 | 0.816 | 1.65 | 0.639 |
| 45x30x4 | 1.48 | 0.74 | 5.78 | 2.05 | 6.65 | 1.18 | 1.42 | 0.85 | 1.52 | 0.64 |
| 40x25x4 | 1.36 | 0.623 | 3.89 | 1.16 | 4.35 | 0.7 | 1.26 | 0.687 | 1.33 | 0.534 |
| 40x20x4 | 1.47 | 0.48 | 3.59 | 0.6 | 3.8 | 0.393 | 1.26 | 0.514 | 1.3 | 0.417 |
| 30x20x4 | 1.03 | 0.541 | 1.59 | 0.553 | 1.81 | 0.33 | 0.925 | 0.546 | 0.988 | 0.421 |
| 30x20x3 | 0.99 | 0.502 | 1.25 | 0.437 | 1.43 | 0.256 | 0.935 | 0.553 | 1 | 0.424 |