Steel Beam Sizes / Europe / UPN Channels / UPN 50
UPN 50 Steel Beam Dimensions and Properties
EN UPN taper flange channels · v2026.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
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
Same-series weight neighbors, closest Ix, 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