Steel Beam Sizes / Europe / HE Sections / HE 280 AA
HE 280 AA Steel Beam Dimensions and Properties
EN HE wide flange sections · v2026.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
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
Same-series weight neighbors, closest Ix, 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%)
Closest Iₓ 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