Vigas normales europeas, laminadas en caliente, cuya sección tiene forma de «U» y sus alas no son paralelas.
| UPN Medidas | DImensiones en mm. | |||
|---|---|---|---|---|
| Sección h | Sección b | Sección e | Sección e1 | |
| 80 | 80 | 45 | 6,0 | 8,0 |
| 100 | 100 | 50 | 6,0 | 8,5 |
| 120 | 120 | 55 | 7,0 | 9,0 |
| 140 | 140 | 60 | 7,0 | 10,0 |
| 160 | 160 | 65 | 7,5 | 10,5 |
| 180 | 180 | 70 | 8,0 | 11,0 |
| 200 | 200 | 75 | 8,5 | 11,5 |
| 220 | 220 | 80 | 9,0 | 12,5 |
| 240 | 240 | 85 | 9,5 | 13,0 |
| 260 | 260 | 90 | 10,0 | 14,0 |
| 280 | 280 | 95 | 10,0 | 15,0 |
| 300 | 300 | 100 | 10,0 | 16,0 |
| 320 | 320 | 100 | 14,0 | 17,5 |
| 350 | 350 | 100 | 14,0 | 16,0 |
| 380 | 380 | 102 | 13,5 | 16,0 |
| 400 | 400 | 110 | 14,0 | 18,0 |
