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Dimensions Properties ...BS 4848-4 :1972 (Superseded by BS EN 10056-1:1999)

Please don't use for new designs

equal angle

M = Mass per m , A= Depth of Section, B= Width of Section,
T = Flange Thickness, A = Area of Section, Z = Section Modulus (Elastic Modulus) = I/ymax x-x & y-y

a x a T M r1 r2 A C of G Moment Of Inertia Radius Of Gyration Z
Cx, Cy X-X, Y-Y U-U V-V X-X, Y-Y U-U V-V  
mm mm kg mm mm cm2 cm cm4 cm4 cm4 cm cm cm cm3
25 x 25 3 1.11 3,5 2,4 1.42 0.72 0.80 1.26 0.33 0.75 0.94 0.48 0.45
  4 1.45 3,5 2,4 1.85 0.76 1.01 1.60 0.43 0.74 0.93 0.48 0.58
  5 1.77 3,5 2,4 2.26 0.80 1.20 1.87 0.52 0.73 0.91 0.48 0.71
30 x 30 3 1.36 5,0 2,4 1.74 0.84 1.40 2.23 0.58 0.90 1.13 `0.58 0.65
  4 1.78 5,0 2,4 2.27 0.88 1.80 2.85 0.75 0.89 1.12 0.58 0.85
  5 2.18 5,0 2,4 2.78 0.92 2.16 3.41 0.92 0.88 1.11 0.57 1.04
40 x 40 4 2.42 6,0 2,4 3.08 1.12 4.47 7.09 1.85 1.21 1.52 0.78 1.55
  5 2.97 6,0 2,4 3.79 1.16 5.43 8.60 2.26 1.20 1.51 0.77 1.91
  6 3.52 6,0 2,4 4.48 1.20 6.31 9.98 2.65 1.19 1.49 0.77 2.26
45 x 45 4 2.74 7,0 2,4 3.49 1.23 6.43 10.2 2.67 1.36 1.71 0.87 1.97
  5 3.38 7,0 2,4 4.30 1.28 7.84 12.4 3.25 1.35 1.70 0.87 2.43
  6 4.00 7,0 2,4 5.09 1.32 9.16 14.5 3.82 1.34 1.69 0.87 2.88
50 x 50 5 3.77 7,0 2,4 4.80 1.40 11.0 17.4 4.54 1.51 1.90 0.97 3.05
  6 4.47 7,0 2,4 5.69 1.45 12.8 20.4 5.33 1.50 1.89 0.97 3.61
  7 5.82 7,0 2,4 7.41 1.52 16.3 25.7 6.87 1.48 1.86 0.96 4.68
60 x 60 5 4.57 8,0 2,4 5.82 1.64 19.4 30.7 8.02 1.82 2.30 1.17 4.45
  6 5.42 8,0 2,4 6.91 1.69 22.8 36.2 9.43 1.82 2.29 1.17 5.29
  8 7.09 8,0 2,4 9.03 1.77 29.2 46.2 12.1 1.80 2.26 1.16 6..89
  10 8.69 8,0 2,4 11.1 1.85 34.9 55.1 14.8 1.78 2.23 1.16 8.41
70 x 70 6 6.38 9,0 2,4 8.13 1.93 36.9 58.5 15.2 2.13 2.68 1.37 7.27
  8 8.36 9,0 2,4 10.6 2.01 47.5 75.3 19.7 2.11 2.66 1.36 9.52
  10 10.3 9,0 2,4 13.1 2.09 57.2 90.5 23.9 2.09 2.63 1.35 11.7
80 x 80 6 7.34 10,0 4,8 9.35 2.17 55.8 88.5 23.1 2.44 3.08 1.57 9.57
  8 9.63 10,0 4,8 12.3 2.26 72.2 115 29.8 2.43 3.06 1.56 12.6
  10 11.9 10,0 4,8 15.1 2.34 87.5 139 36.3 2.41 3.03 1.55 15.4
90 x 90 6 8.3 11,0 4,8 10.6 2.41 80.3 127 33.3 2.76 3.47 1.78 12.2
  8 10.9 11,0 4,8 13.9 2.50 104 166 43.1 2.74 3.45 1.76 16.1
  10 13.4 11,0 4,8 17.1 2.58 127 201 52.6 2.72 3.42 1.76 19.8
  12 15.9 11,0 4,8 20.3 2.66 148 234 61.7 2.70 3.40 1.75 23.3
100x100 8 12.2 12,0 4,8 15.5 2.74 145 230 59.8 3.06 3.85 1.96 19.9
  12 17.8 12,0 4,8 22.7 2.90 207 328 85.7 3.02 3.80 1.94 29.1
  15 21.9 12,0 4,8 27.9 3.02 249 393 104 2.98 3.75 1.93 35.6
120x120 8 14.7 13,0 4,8 18.7 3.23 255 405 105 3.69 4.65 2.37 29.1
  10 18.2 13,0 4,8 23.2 3.31 313 497 129 3.67 4.63 2.36 36.0
  12 21.6 13,0 4,8 27.5 3.40 368 584 151 3.65 4.60 2.35 42.7
  15 26.6 13,0 4,8 33.9 3.51 445 705 185 3.62 4.56 2.33 52.4
150x150 10 23.0 16,0 4,8 29.3 4.03 624 991 258 4.62 5.82 2.97 56.9
  12 27.3 16,0 4,8 34.8 4.12 737 1170 303 4.60 5.80 2.95 67.7
  15 33.8 16,0 4,8 43.0 4.25 898 1430 370 4.57 5.76 2.93 83.5
  18 40.1 16,0 4,8 51.0 4.37 1050 1670 435 4.54 5.71 2.92 98.7
200x200 16 48.5 18,0 4,8 61.8 5.52 2340 3720 959 6.16 7.76 3.94 162
  18 54.2 18,0 4,8 69.1 5.60 2600 4130 1070 6.13 7.73 3.93 181
  20 59.9 18,0 4,8 76.3 5.68 2850 4530 1170 6.11 7.70 3.92 199
  24 71.1 18,0 4,8 90.6 5.84 3330 5280 1380 6.06 7.64 3.90 235
A x B T M r1 r2 A C of G Moment Of Inertia Radius Of Gyration Z
Cx, Cy X-X, Y-Y U-U V-V X-X, Y-Y U-U V-V  
mm mm kg mm mm cm2 cm cm4 cm4 cm4 cm cm cm cm3



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Last Updated 04/04/2006