UPN channels (DIN 1026-1, formerly U or UNP) have 8 % tapered inner flange faces. The number is the depth in millimetres, from UPN 80 to UPN 400. They are used for purlins, trimmers, bracing and in pairs as built-up columns.
The table lists the dimensions, mass and area of every size. Tap a designation for its drawing and detailed dimensions. All values are in millimetres, kilograms per metre and square centimetres.
Dimensions and weights
| Designation | h mm | b mm | tw mm | tf mm | r1 mm | r2 mm | G kg/m | A cm² |
|---|---|---|---|---|---|---|---|---|
| UPN 50 | 50 | 38 | 5 | 7 | 7 | 3.5 | 5.59 | 7.12 |
| UPN 65 | 65 | 42 | 5.5 | 7.5 | 7.5 | 4 | 7.09 | 9.03 |
| UPN 80 | 80 | 45 | 6 | 8 | 8 | 4 | 8.64 | 11 |
| UPN 100 | 100 | 50 | 6 | 8.5 | 8.5 | 4.5 | 10.6 | 13.5 |
| UPN 120 | 120 | 55 | 7 | 9 | 9 | 4.5 | 13.4 | 17 |
| UPN 140 | 140 | 60 | 7 | 10 | 10 | 5 | 16 | 20.4 |
| UPN 160 | 160 | 65 | 7.5 | 10.5 | 10.5 | 5.5 | 18.8 | 24 |
| UPN 180 | 180 | 70 | 8 | 11 | 11 | 5.5 | 22 | 28 |
| UPN 200 | 200 | 75 | 8.5 | 11.5 | 11.5 | 6 | 25.3 | 32.2 |
| UPN 220 | 220 | 80 | 9 | 12.5 | 12.5 | 6.5 | 29.4 | 37.4 |
| UPN 240 | 240 | 85 | 9.5 | 13 | 13 | 6.5 | 33.2 | 42.3 |
| UPN 260 | 260 | 90 | 10 | 14 | 14 | 7 | 37.9 | 48.3 |
| UPN 280 | 280 | 95 | 10 | 15 | 15 | 7.5 | 41.8 | 53.3 |
| UPN 300 | 300 | 100 | 10 | 16 | 16 | 8 | 46.2 | 58.8 |
| UPN 320 | 320 | 100 | 14 | 17.5 | 17.5 | 8.8 | 59.5 | 75.8 |
| UPN 350 | 350 | 100 | 14 | 16 | 16 | 8 | 60.6 | 77.3 |
| UPN 380 | 380 | 102 | 13.5 | 16 | 16 | 8 | 63.1 | 80.4 |
| UPN 400 | 400 | 110 | 14 | 18 | 18 | 9 | 71.8 | 91.5 |
Full properties in Steel Profiles
The free app shows every section with its dimensions and drawing on iPhone, iPad and Mac. The European library unlocks the complete structural properties, the design checks to Eurocode 3, the Equivalent Finder across standards and the comparison of up to three sections. Favorites, weight lists and saved sections sync through iCloud.