Steel Beam Sizes / Europe / UPN Channels / UPN 280
UPN 280 Dimensions, Weight and Section Properties
EN UPN taper flange channels · v2026.1
UPN 280: 280 mm depth, 95 mm flange width, 41.8 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
UPN 280 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 | 28.09 lb/ft | 41.80 kg/m |
| Depth, d | 11.02 in | 280.00 mm |
| Flange width, bf | 3.74 in | 95.00 mm |
| tw | 0.394 in | 10.000 mm |
| tf | 0.591 in | 15.000 mm |
| Area | 8.26 in² | 5,330.00 mm² |
| Ix | 150.88 in⁴ | 62,800,000 mm⁴ |
| Iy | 9.59 in⁴ | 3,990,000 mm⁴ |
| Sx | 27.34 in³ | 448,000.00 mm³ |
| Sy | 3.48 in³ | 57,000.00 mm³ |
| Zx | 32.46 in³ | 532,000.00 mm³ |
| Zy | 6.65 in³ | 109,000.00 mm³ |
| rx | 4.29 in | 109.00 mm |
| ry | 1.08 in | 27.40 mm |
| J | 0.74 in⁴ | 310,000.00 mm⁴ |
| Cw | 180.61 in⁶ | 48,500,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus UPN 280.
Lighter in UPN taper flange channels
UPN 260
- Weight
- 37.9 kg/m (-9.3%)
- Depth
- 260.0 mm (-7.1%)
- Ix
- 48,200,000 mm⁴ (-23%)
Heavier in UPN taper flange channels
UPN 300
- Weight
- 46.2 kg/m (+11%)
- Depth
- 300.0 mm (+7.1%)
- Ix
- 80,300,000 mm⁴ (+28%)
Another Iₓ option in UPN taper flange channels
UPN 240
- Weight
- 33.2 kg/m (-21%)
- Depth
- 240.0 mm (-14%)
- Ix
- 36,000,000 mm⁴ (-43%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology