Steel Beam Sizes / Europe / UPN Channels / UPN 50
UPN 50 Dimensions, Weight and Section Properties
EN UPN taper flange channels · v2026.1
UPN 50: 50 mm depth, 38 mm flange width, 5.6 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
UPN 50 dimensions
Not to scale. Dimensions shown for reference.
Section properties
Symbols match the steel section finder. Imperial and metric values are shown side by side.
| Property | Imperial | Metric |
|---|---|---|
| Weight | 3.76 lb/ft | 5.60 kg/m |
| Depth, d | 1.97 in | 50.00 mm |
| Flange width, bf | 1.50 in | 38.00 mm |
| tw | 0.197 in | 5.000 mm |
| tf | 0.276 in | 7.000 mm |
| Area | 1.10 in² | 710.00 mm² |
| Ix | 0.63 in⁴ | 264,000.00 mm⁴ |
| Iy | 0.22 in⁴ | 91,200.00 mm⁴ |
| Sx | 0.65 in³ | 10,600.00 mm³ |
| Sy | 0.24 in³ | 4,000.00 mm³ |
| Zx | 0.80 in³ | 13,100.00 mm³ |
| Zy | 0.41 in³ | 6,780.00 mm³ |
| rx | 0.76 in | 19.20 mm |
| ry | 0.44 in | 11.30 mm |
| J | 0.03 in⁴ | 11,200.00 mm⁴ |
| Cw | 0.11 in⁶ | 30,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus UPN 50.
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology