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British Channels To BS4
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 |
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