PFC (BS 4-1)
BS 4-1:2005 · 16 sections
Free Reference DataParallel Flange Channels (PFC) to BS 4-1:2005 are British Standard channels with constant flange thickness. They are used in secondary beams, purlins, and bracing members in UK structural steelwork.
| Designation | h (mm) | b (mm) | t_w (mm) | t_f (mm) | A (cm²) | G (kg/m) | I_y (cm⁴) | W_y (cm³) |
|---|---|---|---|---|---|---|---|---|
| PFC 100×50×10 | 100 | 50 | 5 | 8.5 | 13.6 | 10.7 | 221 | 44.3 |
| PFC 125×65×15 | 125 | 65 | 5.5 | 9.5 | 19.2 | 15.1 | 458 | 73.3 |
| PFC 150×75×18 | 150 | 75 | 6 | 10 | 23.8 | 18.7 | 795 | 106 |
| PFC 150×90×24 | 150 | 90 | 6.5 | 12 | 30.8 | 24.2 | 1005 | 134 |
| PFC 180×75×20 | 180 | 75 | 6 | 10.5 | 25.6 | 20.1 | 1223 | 136 |
| PFC 180×90×26 | 180 | 90 | 6.5 | 12.5 | 33.2 | 26.1 | 1644 | 183 |
| PFC 200×75×23 | 200 | 75 | 6.5 | 11 | 28.3 | 22.2 | 1727 | 173 |
| PFC 200×90×30 | 200 | 90 | 7 | 13 | 37 | 29 | 2335 | 234 |
| PFC 230×75×26 | 230 | 75 | 6.5 | 11.5 | 32.1 | 25.2 | 2462 | 214 |
| PFC 230×90×32 | 230 | 90 | 7.5 | 13.5 | 40.6 | 31.9 | 3344 | 291 |
| PFC 260×75×28 | 260 | 75 | 7 | 12 | 35.4 | 27.8 | 3549 | 273 |
| PFC 260×90×35 | 260 | 90 | 8 | 14 | 45 | 35.3 | 4830 | 372 |
| PFC 300×90×41 | 300 | 90 | 8.5 | 14.5 | 51.5 | 40.4 | 7320 | 488 |
| PFC 300×100×46 | 300 | 100 | 9 | 16 | 58.5 | 45.9 | 8525 | 568 |
| PFC 380×100×54 | 380 | 100 | 9.5 | 16 | 68.5 | 53.8 | 14120 | 743 |
| PFC 430×100×64 | 430 | 100 | 10.5 | 17 | 80.9 | 63.5 | 20790 | 967 |