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Steel Section Index Angles ...BS 4-1:1971 (Superseded by BS 4: 1993) Please don't use for new designs
Dimensions
M = Mass per m , A= Depth of Section, B= Width of Section,T = Web thickness
T = Flange Thickness, R1 = Root radius, R2 = Leg radius, Area = Area of Section
| Serial Size | Leg Lengths AxB | t | M | R1 | R2 | Area |
| mm | mm | mm | kg | mm | mm | cm2 |
| 203 x 203 | 203.2 x 203.2 | 25.3 | 76.00 | 15.2 | 4.8 | 96.81 |
| 23.7 | 71.51 | 15.2 | 4.8 | 91.09 | ||
| 22.1 | 67.05 | 15.2 | 4.8 | 85.42 | ||
| 20.5 | 62.56 | 15.2 | 4.8 | 79.69 | ||
| 18.9 | 57.95 | 15.2 | 4.8 | 73.82 | ||
| 17.3 | 53.3 | 15.2 | 4.8 | 67.89 | ||
| 15.8 | 48.68 | 15.2 | 4.8 | 62.02 | ||
| 152 x 152 | 152.4 x 152.4 | 22.1 | 49.32 | 12.2 | 4.8 | 62.83 |
| 20.5 | 46.03 | 12.2 | 4.8 | 58.63 | ||
| 19.0 | 42.75 | 12.2 | 4.8 | 54.45 | ||
| 17.3 | 39.32 | 12.2 | 4.8 | 50.09 | ||
| 15.8 | 36.07 | 12.2 | 4.8 | 45.95 | ||
| 14.2 | 32.62 | 12.2 | 4.8 | 41.55 | ||
| 12.6 | 29.07 | 12.2 | 4.8 | 37.03 | ||
| 11.0 | 25.60 | 12.2 | 4.8 | 32.61 | ||
| 9.4 | 22.02 | 12.2 | 4.8 | 28.06 | ||
| 127 x 127 | 127.0 x 127.0 | 19.0 | 35.16 | 10.7 | 4.8 | 44.80 |
| 17.4 | 32.47 | 10.7 | 4.8 | 41.37 | ||
| 15.8 | 29.66 | 10.7 | 4.8 | 37.78 | ||
| 14.2 | 26.80 | 10.7 | 4.8 | 34.14 | ||
| 12.6 | 23.99 | 10.7 | 4.8 | 30.56 | ||
| 11.0 | 21.14 | 10.7 | 4.8 | 26.93 | ||
| 9.5 | 18.3 | 10.7 | 4.8 | 23.31 | ||
| 102 x 102 | 101.6 x 101.6 | 19.0 | 27.57 | 9.1 | 4.8 | 35.12 |
| 17.4 | 25.48 | 9.1 | 4.8 | 32.45 | ||
| 15.8 | 23.37 | 9.1 | 4.8 | 29.78 | ||
| 14.2 | 21.17 | 9.1 | 4.8 | 26.96 | ||
| 12.6 | 18.91 | 9.1 | 4.8 | 24.09 | ||
| 11.0 | 16.69 | 9.1 | 4.8 | 21.27 | ||
| 9.4 | 14.44 | 9.1 | 4.8 | 18.39 | ||
| 7.8 | 12.06 | 9.1 | 4.8 | 15.37 | ||
| 89 x 89 | 88.9 x 88.9 | 15.8 | 20.10 | 8.4 | 4.8 | 25.61 |
| 14.2 | 18.31 | 8.4 | 4.8 | 23.32 | ||
| 12.6 | 16.38 | 8.4 | 4.8 | 20.87 | ||
| 11.0 | 14.44 | 8.4 | 4.8 | 18.40 | ||
| 9.4 | 12.50 | 8.4 | 4.8 | 15.92 | ||
| 7.9 | 10.58 | 8.4 | 4.8 | 13.47 | ||
| 6.3 | 8.49 | 8.4 | 4.8 | 10.81 | ||
| 76 x 76 | 76.2x76.2 | 14.3 | 15.50 | 7.6 | 4.8 | 19.74 |
| 12.6 | 13.85 | 7.6 | 4.8 | 17.64 | ||
| 11.0 | 12.20 | 7.6 | 4.8 | 15.55 | ||
| 9.4 | 10.57 | 7.6 | 4.8 | 13.47 | ||
| 7.8 | 8.93 | 7.6 | 4.8 | 11.37 | ||
| 6.2 | 7.16 | 7.6 | 4.8 | 9.12 | ||
| 64 x 64 | 63.5 x 63.5 | 12.5 | 11.31 | 6.9 | 2.4 | 14.41 |
| 11.0 | 10.12 | 6.9 | 2.4 | 12.89 | ||
| 9.4 | 8.78 | 6.9 | 2.4 | 11.18 | ||
| 7.9 | 7.45 | 6.9 | 2.4 | 9.48 | ||
| 6.2 | 5.96 | 6.9 | 2.4 | 7.59 | ||
| 57 x 57 | 57.2 x 57.2 | 9.3 | 7.74 | 6.6 | 2.4 | 9.86 |
| 7.8 | 6.55 | 6.6 | 2.4 | 8.35 | ||
| 6.2 | 5.35 | 6.6 | 2.4 | 6.82 | ||
| 4.6 | 4.01 | 6.6 | 2.4 | 5.11 | ||
| 51 x 51 | 50.8 x 50.8 | 9.4 | 6.85 | 6.1 | 2.4 | 8.72 |
| 7.8 | 5.80 | 6.1 | 2.4 | 7.39 | ||
| 6.3 | 4.77 | 6.1 | 2.4 | 6.08 | ||
| 4.6 | 3.58 | 6.1 | 2.4 | 4.56 | ||
| 45 x 45 | 44.5 x 44.5 | 7.9 | 5.06 | 5.8 | 2.4 | 6.45 |
| 6.1 | 4.02 | 5.8 | 2.4 | 5.12 | ||
| 4.7 | 3.13 | 5.8 | 2.4 | 3.99 | ||
| 38 x 38 | 38.1 x 38.1 | 7.8 | 4.24 | 5.3 | 2.4 | 5.4 |
| 6.3 | 3.50 | 5.3 | 2.4 | 4.46 | ||
| 4.7 | 2.68 | 5.3 | 2.4 | 3.41 | ||
| 32 x 32 | 31.8 x 38.1 | 6.2 | 2.83 | 5.1 | 2.4 | 3.61 |
| 4.6 | 2.16 | 5.1 | 2.4 | 2.75 | ||
| 3.1 | 1.49 | 5.1 | 2.4 | 1.90 | ||
| 25 x 25 | 25.4 x 25.4 | 6.4 | 2.23 | 4.6 | 2.4 | 2.84 |
| 4.7 | 1.72 | 4.6 | 2.4 | 2.19 | ||
| 3.1 | 1.19 | 4.6 | 2.4 | 1.52 | ||
Steel Section Index