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Unequal Angles ...BS 4848-4 :1972 (Superseded by BS EN 10056-1:1999)

Please don't use for new designs

Dimensions/ Properties

M = Mass per m , b= Depth of Section, a= Width of Section,t = Web thickness,
T = Flange Thickness, r1 = Root radius, r2 = Toe radius, A= Area of Section

Serial Size M r1 r2 A C of G Moment Of Inertia Radius Of Gyration AN
a x b x t Cx Cy X-X Y-Y U-U V-V X-X Y-Y U-U V-V  
3 x mm kg mm mm cm2 cm cm cm4 cm4 cm4 cm4 cm cm cm cm tan AN
40x25x4 1.93 4 2.4 2.46 1.36 0.62 3.89 1.16 4.35 0.70 1.26 0.69 1.33 0.53 0.38
60x30x5 3.37 6 2.4 4.29 2.15 0.68 15.6 2.60 16.5 1.69 1.90 0.78 1.96 0.63 0.256
60x30x6 3.99 6 2.4 5.08 2.20 0.72 18.2 3.02 19.2 1.99 1.89 0.77 1.95 0.63 0.252
65x50x5 4.35 6 2.4 5.54 1.99 1.25 23.2 11.9 28.8 6.32 2.05 1.47 2.28 1.07 0.577
65x50x6 5.116 6 2.4 6.58 2.04 1.29 27.2 14.0 33.8 7.43 2.03 1.46 2.27 1.06 0.575
65x50x8 6.75 6 2.4 8.60 2.11 1.37 34.8 17.7 43.0 9.57 2.01 1.44 2.23 1.05 0.569
75x50x6 5.65 7 2.4 7.19 2.44 1.21 40.5 14.4 46.6 8.36 2.37 1.42 2.55 1.08 0.435
75x50x8 7.39 7 2.4 9.41 2.52 1.29 52.0 18.4 59.6 10.8 2.35 1.40 2.52 1.07 0.43
80x60x6 6.37 8 4.8 8.11 2.47 1.48 51.4 24.8 62.8 13.4 2.52 1.75 2.78 1.29 0.547
80x60x7 7.36 8 4.8 9.38 2.51 1.52 59.0 28.4 72.0 15.4 2.51 1.74 2.77 1.28 0.546
80x60x8 8.34 8 4.8 10.6 2.55 1.56 66.3 31.8 80.8 17.3 2.50 1.73 2.76 1.28 0.544
100x65x7 8.77 10 4.8 11.2 3.23 1.51 113 37.6 128 22.0 3.17 1.83 3.39 1.40 0.415
100x65x8 9.94 10 4.8 12.7 3.27 1.55 127 42.2 144 24.8 3.16 1.83 3.37 1.40 0.414
100x65x10 12.30 10 4.8 15.6 3.36 1.63 154 51.0 175 30.1 3.14 1.81 3.35 1.39 0.41
100x75x8 10.6 10 4.8 13.5 3.10 1.87 133 64.1 16.3 34.6 3.14 2.18 3.47 1.60 0.547
100x75x10 13.0 10 4.8 16.6 3.19 1.95 162 77.6 197 42.1 3.12 2.16 3.45 1.59 0.544
100x75x12 15.4 10 4.8 19.7 3.27 2.03 189 90.2 230 49.5 3.10 2.14 3.42 1.59 0.54
125x75x8 12.2 11 4.8 15.5 4.14 1.68 247 67.6 274 40.9 4.00 2.09 4.20 1.63 0.359
125x75x10 15.0 11 4.8 19.1 4.23 1.76 302 82.1 334 50.0 3.97 2.07 4.18 1.62 0.356
125x75x12 17.8 11 4.8 22.7 4.31 1.84 354 95.5 391 58.5 3.95 2.05 4.15 1.61 0.353
150x75x10 17.0 11 4.8 21.6 5.32 1.61 501 85.8 532 55.3 4.81 1.99 4.96 1.60 0.261
150x75x12 20.2 11 4.8 25.7 5.41 1.69 589 99.9 624 64.9 4.79 1.97 4.93 1.59 0.259
150x75x15 24.8 11 4.8 31.6 5.53 1.81 713 120 754 78.8 4.75 1.94 4.88 1.58 0.254
150x90x10 18.2 12 4.8 23.2 5.00 2.04 533 146 591 88.3 4.80 2.51 5.05 1.95 0.360
150x90x12 21.6 12 4.8 27.5 5.08 2.12 627 171 694 104 4.77 2.49 5.02 1.94 0.358
150x90x15 26.6 12 4.8 33.9 5.21 2.23 761 205 841 126 4.74 2.46 4.98 1.93 0.354
200x100x10 23.0 15 4.8 29.2 6.93 2.01 1220 210 1290 135 6.46 2.68 6.65 2.15 0.263
200x100x12 27.3 15 4.8 34.8 7.03 2.10 1440 247 1530 159 6.43 2.67 6.63 2.14 0.262
200x100x15 33.7 15 4.8 43.0 7.16 2.22 1758 299 1863 194 6.40 2.64 6.58 2.13 0.259
200x150x12 32.0 15 4.8 40.8 6.08 3.61 1652 803 2024 431 6.36 4.44 7.04 3.25 0.552
200x150x15 39.6 15 4.8 50.5 6.21 3.73 2022 979 2475 527 6.33 4.40 7.00 3.23 0.550
200x150x18 47.1 15 4.8 60.0 6.33 3.85 2376 1146 2902 618 6.29 4.37 6.95 3.21 0.548
Serial Size M r1 r2 A C of G Moment Of Inertia Radius Of Gyration AN
a x b x t Cx Cy X-X Y-Y U-U V-V X-X Y-Y U-U V-V  
3 x mm kg mm mm cm2 cm cm cm4 cm4 cm4 cm4 cm cm cm cm tan AN

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Last Updated 04/04/2006