British channels To BS4 : Part 1

Designation Depth of Section D mm Width of Section B mm Thickness Root Radius r1 mm Toe Radius r2 mm Depth Between Fillets d mm Ratios for Local Buckling Second Moment of Areas
Serial Size mm Mass per Meter kg Web t mm Flange t mm Flange b/T Web b/T Axis x-x cm4 Axis y-y cm4
432 x 102 65.54 431.8 101.6 12.2 16.8 15.2 4.8 362.4 6.05 29.7 21400 629
381 x 102 55.10 381.0 101.6 10.4 16.3 15.2 4.8 312.4 6.23 30.0 14900 580
305 x 102 46.18 304.8 101.6 10.2 14.8 15.2 4.8 239.2 6.86 23.5 8210 499
305 x 89  41.69 304.8 88.9 10.2 13.7 13.7 3.2 254.4 6.49 24.1 7060 325
254 x 89 35.74 254.0 88.9 8.1 13.6 13.7 3.2 194.7 6.54 21.4 4450 302
254 x 76  28.29 254.0 76.2 8.6 10.9 12.2 3.2 203.8 6.99 25.2 3370 163
229 x 89  32.76 228.6 88.9 7.6 13.3 13.7 3.2 169.8 6.68 19.7 3390 285
229 x 76  26.06 228.6 76.2 8.1 11.2 12.2 3.2 178.0 6.80 23.4 2610 159
203 x 89 29.78 203.2 88.9 7.1 12.9 13.7 3.2 145.2 6.89 17.9 2490 264
203 x 76 23.82 203.2 76.2 7.6 11.2 12.2 3.2 152.5 6.80 21.5 1950 151
178 x 89  26.81 177.8 88.9 6.6 12.3 13.7 3.2 121.0 7.23 15.9 1750 241
178 x 76  20.84 177.8 76.2 7.1 10.3 12.2 3.2 128.8 7.40 19.5 1340 134
152 x 89 23.84 152.4 88.9 6.4 11.6 13.7 3.2 97.0 7.66 13.7 1170 215
152 x 76 17.88 152.4 76.2 6.4 9.0 12.2 2.4 105.9 8.47 16.5 852 114
127 x 64 14.90 127.0 63.5 6.1 9.2 10.7 2.4 84.0 6.90 13.1 483 67.2
102 x 51 10.42 101.6 50.8 5.1 7.6 9.1 2.4 65.7 6.68  10.8 208 29.1
76 x 38  6.70 76.2 38.1 9.1 6.8 7.6 2.4 45.8 5.60 8.98 74.1 10.7