Steel Beam Sizes / Europe / UPN Channels / UPN 300
UPN 300 Dimensions, Weight and Section Properties
EN UPN taper flange channels · v2026.1
UPN 300: 300 mm depth, 100 mm flange width, 46.2 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
UPN 300 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 | 31.04 lb/ft | 46.20 kg/m |
| Depth, d | 11.81 in | 300.00 mm |
| Flange width, bf | 3.94 in | 100.00 mm |
| tw | 0.394 in | 10.000 mm |
| tf | 0.630 in | 16.000 mm |
| Area | 9.11 in² | 5,880.00 mm² |
| Ix | 192.92 in⁴ | 80,300,000 mm⁴ |
| Iy | 11.89 in⁴ | 4,950,000 mm⁴ |
| Sx | 32.65 in³ | 535,000.00 mm³ |
| Sy | 4.15 in³ | 68,000.00 mm³ |
| Zx | 38.57 in³ | 632,000.00 mm³ |
| Zy | 7.93 in³ | 130,000.00 mm³ |
| rx | 4.61 in | 117.00 mm |
| ry | 1.14 in | 29.00 mm |
| J | 0.90 in⁴ | 374,000.00 mm⁴ |
| Cw | 257.32 in⁶ | 69,100,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus UPN 300.
Lighter in UPN taper flange channels
UPN 280
- Weight
- 41.8 kg/m (-9.5%)
- Depth
- 280.0 mm (-6.7%)
- Ix
- 62,800,000 mm⁴ (-22%)
Heavier in UPN taper flange channels
UPN 320
- Weight
- 59.5 kg/m (+29%)
- Depth
- 320.0 mm (+6.7%)
- Ix
- 109,000,000 mm⁴ (+36%)
Another Iₓ option in UPN taper flange channels
UPN 260
- Weight
- 37.9 kg/m (-18%)
- Depth
- 260.0 mm (-13%)
- Ix
- 48,200,000 mm⁴ (-40%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology