UPN Channels
EN 10279 · 16 sections
Free Reference DataUPN channels (formerly UNP) are European standard U-channels with tapered inner flanges, specified to EN 10279. They are widely used for purlins, bracing members, and secondary framing in steel structures.
| Designation | h (mm) | b (mm) | t_w (mm) | t_f (mm) | A (cm²) | G (kg/m) | I_y (cm⁴) | W_y (cm³) |
|---|---|---|---|---|---|---|---|---|
| UPN 80 | 80 | 45 | 6 | 8 | 11 | 8.64 | 106 | 26.5 |
| UPN 100 | 100 | 50 | 6 | 8.5 | 13.5 | 10.6 | 206 | 41.2 |
| UPN 120 | 120 | 55 | 7 | 9 | 17 | 13.4 | 364 | 60.7 |
| UPN 140 | 140 | 60 | 7 | 10 | 20.4 | 16 | 605 | 86.4 |
| UPN 160 | 160 | 65 | 7.5 | 10.5 | 24 | 18.8 | 925 | 116 |
| UPN 180 | 180 | 70 | 8 | 11 | 28 | 22 | 1350 | 150 |
| UPN 200 | 200 | 75 | 8.5 | 11.5 | 32.2 | 25.3 | 1910 | 191 |
| UPN 220 | 220 | 80 | 9 | 12.5 | 37.4 | 29.4 | 2690 | 245 |
| UPN 240 | 240 | 85 | 9.5 | 13 | 42.3 | 33.2 | 3600 | 300 |
| UPN 260 | 260 | 90 | 10 | 14 | 48.3 | 37.9 | 4820 | 371 |
| UPN 280 | 280 | 95 | 10 | 15 | 53.3 | 41.8 | 6280 | 448 |
| UPN 300 | 300 | 100 | 10 | 16 | 58.8 | 46.2 | 8030 | 535 |
| UPN 320 | 320 | 100 | 14 | 17.5 | 75.8 | 59.5 | 10870 | 679 |
| UPN 350 | 350 | 100 | 14 | 16 | 77.3 | 60.6 | 13600 | 777 |
| UPN 380 | 380 | 102 | 13.5 | 16 | 80.4 | 63.1 | 18040 | 950 |
| UPN 400 | 400 | 110 | 14 | 18 | 91.5 | 71.8 | 23240 | 1160 |