Steel Beam Sizes / Europe / HE Sections / HE 280 C
HE 280 C 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 C 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 | 97.44 lb/ft | 145.00 kg/m |
| Depth, d | 11.61 in | 295.00 mm |
| Flange width, bf | 11.18 in | 284.00 mm |
| tw | 0.571 in | 14.500 mm |
| tf | 1.004 in | 25.500 mm |
| Area | 28.68 in² | 18,500.00 mm² |
| Ix | 691.92 in⁴ | 288,000,000 mm⁴ |
| Iy | 234.24 in⁴ | 97,500,000 mm⁴ |
| Sx | 119.00 in³ | 1,950,000 mm³ |
| Sy | 41.92 in³ | 687,000.00 mm³ |
| Zx | 135.47 in³ | 2,220,000 mm³ |
| Zy | 64.07 in³ | 1,050,000 mm³ |
| rx | 4.92 in | 125.00 mm |
| ry | 2.86 in | 72.60 mm |
| J | 9.25 in⁴ | 3,850,000 mm⁴ |
| Cw | 6,591.30 in⁶ | 1,770,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HE 280 C.
Lighter in HE wide flange sections
HE 360 B
- Weight
- 142.0 kg/m (-2.1%)
- Depth
- 360.0 mm (+22%)
- Ix
- 432,000,000 mm⁴ (+50%)
Heavier in HE wide flange sections
HE 700 AA
- Weight
- 150.0 kg/m (+3.4%)
- Depth
- 670.0 mm (+127%)
- Ix
- 1,430,000,000 mm⁴ (+397%)
Closest Iₓ in HE wide flange sections
HE 340 A
- Weight
- 105.0 kg/m (-28%)
- Depth
- 330.0 mm (+12%)
- Ix
- 277,000,000 mm⁴ (-3.8%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology