Steel Beam Sizes / Europe / UPN Channels / UPN 65
UPN 65 Dimensions, Weight and Section Properties
EN UPN taper flange channels · v2026.1
UPN 65: 65 mm depth, 42 mm flange width, 7.1 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
UPN 65 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 | 4.77 lb/ft | 7.10 kg/m |
| Depth, d | 2.56 in | 65.00 mm |
| Flange width, bf | 1.65 in | 42.00 mm |
| tw | 0.217 in | 5.500 mm |
| tf | 0.295 in | 7.500 mm |
| Area | 1.40 in² | 900.00 mm² |
| Ix | 1.38 in⁴ | 575,000.00 mm⁴ |
| Iy | 0.34 in⁴ | 141,000.00 mm⁴ |
| Sx | 1.08 in³ | 17,700.00 mm³ |
| Sy | 0.31 in³ | 5,000.00 mm³ |
| Zx | 1.32 in³ | 21,700.00 mm³ |
| Zy | 0.57 in³ | 9,380.00 mm³ |
| rx | 0.99 in | 25.20 mm |
| ry | 0.49 in | 12.50 mm |
| J | 0.04 in⁴ | 16,100.00 mm⁴ |
| Cw | 0.30 in⁶ | 80,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus UPN 65.
Lighter in UPN taper flange channels
UPN 50
- Weight
- 5.6 kg/m (-21%)
- Depth
- 50.0 mm (-23%)
- Ix
- 264,000 mm⁴ (-54%)
Heavier in UPN taper flange channels
UPN 80
- Weight
- 8.6 kg/m (+21%)
- Depth
- 80.0 mm (+23%)
- Ix
- 1,060,000 mm⁴ (+84%)
Another Iₓ option in UPN taper flange channels
UPN 100
- Weight
- 10.6 kg/m (+49%)
- Depth
- 100.0 mm (+54%)
- Ix
- 2,060,000 mm⁴ (+258%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology