Small U channels (U 40 to U 65) below the UPN range, with tapered flanges, from mill catalogues.
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 |
|---|---|---|---|---|---|---|---|---|
| U 40 x 20 x 4 | 40 | 20 | 4 | 5.5 | 5 | 2.5 | 2.65 | 3.38 |
| U 40 x 20 | 40 | 20 | 5 | 5.5 | 5 | 2.5 | 2.87 | 3.66 |
| U 50 x 25 | 50 | 25 | 5 | 6 | 6 | 3 | 3.86 | 4.92 |
| U 60 x 30 | 60 | 30 | 6 | 6 | 6 | 3 | 5.07 | 6.46 |
| U 65 x 42 | 65 | 42 | 5.5 | 7.5 | 7.5 | 4 | 7.09 | 9.03 |
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.
Other European series
IPE beamsIPE A beamsIPE AA beamsIPE O beamsIPN beamsHE sections by massHEA sectionsHEAA sectionsHEB sectionsHEM sectionsHL sectionsHD sectionsHP bearing pilesUPE channelsUPN channelsAngles (EN 10056-1)T sections (EN 10055)RHS hot-finished (EN 10210)RHS cold-formed (EN 10219)SHS hot-finished (EN 10210)SHS cold-formed (EN 10219)CHS hot-finished (EN 10210)CHS cold-formed (EN 10219)Bulb flats (Holland profiles, EN 10067)