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Structural steel sections. Specification for hot-rolled sections BS 4-1:2005 specifies the dimensions and mass of the following hot-rolled structural steel sections: Sizes S3 to S24
- Universal beams
- Universal columns
- Universal bearing piles
- Joists
- Structural tees cut from universal beams
- Structural tees cut from universal columns
- Parallel flange channels
- BS 4-1:2005 supersedes BS 4-1:1993
| in × lb/ft |
Area (in2) |
d (in) |
bf (in) |
tf (in) |
tw (in) |
Ixx (in4) |
Iyy (in4) |
| S24x121 |
35.6 |
24.5 |
8.05 |
1.09 |
0.8 |
3160 |
83.3 |
| S24x106 |
31.2 |
24.5 |
7.87 |
1.09 |
0.62 |
2940 |
77.1 |
| S24x100 |
29.3 |
24 |
7.245 |
0.87 |
0.745 |
2390 |
47.7 |
| S24x90 |
26.5 |
24 |
7.125 |
0.87 |
0.625 |
2250 |
44.9 |
| S24x80 |
23.5 |
24 |
7 |
0.87 |
0.5 |
2100 |
42.2 |
| S20x96 |
28.2 |
20.3 |
7.2 |
0.92 |
0.8 |
1670 |
50.2 |
| S20x86 |
25.3 |
20.3 |
7.06 |
0.92 |
0.66 |
1580 |
46.8 |
| S20x75 |
22 |
20 |
6.385 |
0.795 |
0.635 |
1280 |
29.8 |
| S20x66 |
19.4 |
20 |
6.255 |
0.795 |
0.505 |
1190 |
27.7 |
| S18x70 |
20.6 |
18 |
6.251 |
0.691 |
0.711 |
926 |
24.1 |
| S18x54.7 |
16.1 |
18 |
6.001 |
0.691 |
0.461 |
804 |
20.8 |
| S15x50 |
14.7 |
15 |
5.64 |
0.622 |
0.55 |
486 |
15.7 |
| S15x42.9 |
12.6 |
15 |
5.501 |
0.622 |
0.411 |
447 |
14.4 |
| S12x50 |
14.7 |
12 |
5.477 |
0.659 |
0.687 |
305 |
15.7 |
| S12x40.8 |
12 |
12 |
5.252 |
0.659 |
0.462 |
272 |
13.6 |
| S12x35 |
10.3 |
12 |
5.078 |
0.544 |
0.428 |
229 |
9.87 |
| S12x31.8 |
9.4 |
12 |
5 |
0.544 |
0.35 |
218 |
9.36 |
| S10x35 |
10.3 |
10 |
4.944 |
0.491 |
0.594 |
147 |
8.36 |
| S10x25.4 |
7.46 |
10 |
4.661 |
0.491 |
0.311 |
124 |
6.79 |
| S8x23 |
6.77 |
8 |
4.171 |
0.426 |
0.441 |
64.9 |
4.31 |
| S8x18.4 |
5.41 |
8 |
4.001 |
0.426 |
0.271 |
57.6 |
3.73 |
| S7x20 |
5.88 |
7 |
3.86 |
0.392 |
0.45 |
42.4 |
3.17 |
| S6x17.25 |
5.07 |
6 |
3.565 |
0.359 |
0.465 |
26.3 |
2.31 |
| S6x12.5 |
3.67 |
6 |
3.332 |
0.359 |
0.232 |
22.1 |
1.82 |
| S5x14.75 |
4.34 |
5 |
3.284 |
0.326 |
0.494 |
15.2 |
1.67 |
| S5x10 |
2.94 |
5 |
3.004 |
0.326 |
0.214 |
12.3 |
1.22 |
| S4x9.5 |
2.79 |
4 |
2.796 |
0.293 |
0.326 |
6.79 |
0.903 |
| S4x7.7 |
2.26 |
4 |
2.663 |
0.293 |
0.193 |
6.08 |
0.764 |
| S3x7.5 |
2.21 |
3 |
2.509 |
0.26 |
0.349 |
2.93 |
0.586 |
| S3x5.7 |
1.67 |
3 |
2.33 |
0.26 |
0.17 |
2.52 |
0.455 |
- Weight per foot
- Cross Section Area
- Area Moment of Inertia
- Wall Thickness
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