Steel Beam Sizes / Europe / UPN Channels / UPN 100
UPN 100 Dimensions, Weight and Section Properties
EN UPN taper flange channels · v2026.1
UPN 100: 100 mm depth, 50 mm flange width, 10.6 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
UPN 100 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 | 7.12 lb/ft | 10.60 kg/m |
| Depth, d | 3.94 in | 100.00 mm |
| Flange width, bf | 1.97 in | 50.00 mm |
| tw | 0.236 in | 6.000 mm |
| tf | 0.335 in | 8.500 mm |
| Area | 2.09 in² | 1,350.00 mm² |
| Ix | 4.95 in⁴ | 2,060,000 mm⁴ |
| Iy | 0.70 in⁴ | 293,000.00 mm⁴ |
| Sx | 2.51 in³ | 41,200.00 mm³ |
| Sy | 0.49 in³ | 8,000.00 mm³ |
| Zx | 2.99 in³ | 49,000.00 mm³ |
| Zy | 0.99 in³ | 16,200.00 mm³ |
| rx | 1.54 in | 39.10 mm |
| ry | 0.58 in | 14.70 mm |
| J | 0.07 in⁴ | 28,100.00 mm⁴ |
| Cw | 1.53 in⁶ | 410,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus UPN 100.
Lighter in UPN taper flange channels
UPN 80
- Weight
- 8.6 kg/m (-19%)
- Depth
- 80.0 mm (-20%)
- Ix
- 1,060,000 mm⁴ (-49%)
Heavier in UPN taper flange channels
UPN 120
- Weight
- 13.4 kg/m (+26%)
- Depth
- 120.0 mm (+20%)
- Ix
- 3,640,000 mm⁴ (+77%)
Another Iₓ option in UPN taper flange channels
UPN 65
- Weight
- 7.1 kg/m (-33%)
- Depth
- 65.0 mm (-35%)
- Ix
- 575,000 mm⁴ (-72%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology