Steel Beam Sizes / Europe / HE Sections / HE 280 AA
HE 280 AA Dimensions, Weight and Section Properties
EN HE wide flange sections · v2026.1
HE 280 AA: 264 mm depth, 280 mm flange width, 61.2 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
HE 280 AA 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 | 41.12 lb/ft | 61.20 kg/m |
| Depth, d | 10.39 in | 264.00 mm |
| Flange width, bf | 11.02 in | 280.00 mm |
| tw | 0.276 in | 7.000 mm |
| tf | 0.394 in | 10.000 mm |
| Area | 12.09 in² | 7,800.00 mm² |
| Ix | 254.67 in⁴ | 106,000,000 mm⁴ |
| Iy | 87.93 in⁴ | 36,600,000 mm⁴ |
| Sx | 48.82 in³ | 800,000.00 mm³ |
| Sy | 15.99 in³ | 262,000.00 mm³ |
| Zx | 53.27 in³ | 873,000.00 mm³ |
| Zy | 24.35 in³ | 399,000.00 mm³ |
| rx | 4.57 in | 116.00 mm |
| ry | 2.70 in | 68.50 mm |
| J | 0.85 in⁴ | 355,000.00 mm⁴ |
| Cw | 2,197.10 in⁶ | 590,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HE 280 AA.
Lighter in HE wide flange sections
HE 240 A
- Weight
- 60.3 kg/m (-1.5%)
- Depth
- 230.0 mm (-13%)
- Ix
- 77,600,000 mm⁴ (-27%)
Heavier in HE wide flange sections
HE 200 B
- Weight
- 61.3 kg/m (+0.2%)
- Depth
- 200.0 mm (-24%)
- Ix
- 57,000,000 mm⁴ (-46%)
Another Iₓ option in HE wide flange sections
HE 200 M
- Weight
- 103.0 kg/m (+68%)
- Depth
- 220.0 mm (-17%)
- Ix
- 106,000,000 mm⁴ (0.0%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology