Steel Beam Sizes / Europe / HE Sections / HE 280 M
HE 280 M 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 M 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 | 127.00 lb/ft | 189.00 kg/m |
| Depth, d | 12.20 in | 310.00 mm |
| Flange width, bf | 11.34 in | 288.00 mm |
| tw | 0.728 in | 18.500 mm |
| tf | 1.299 in | 33.000 mm |
| Area | 37.20 in² | 24,000.00 mm² |
| Ix | 951.39 in⁴ | 396,000,000 mm⁴ |
| Iy | 317.13 in⁴ | 132,000,000 mm⁴ |
| Sx | 155.61 in³ | 2,550,000 mm³ |
| Sy | 55.78 in³ | 914,000.00 mm³ |
| Zx | 181.24 in³ | 2,970,000 mm³ |
| Zy | 85.43 in³ | 1,400,000 mm³ |
| rx | 5.04 in | 128.00 mm |
| ry | 2.91 in | 74.00 mm |
| J | 19.39 in⁴ | 8,070,000 mm⁴ |
| Cw | 9,384.22 in⁶ | 2,520,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HE 280 M.
Lighter in HE wide flange sections
HE 500 B
- Weight
- 187.0 kg/m (-1.1%)
- Depth
- 500.0 mm (+61%)
- Ix
- 1,070,000,000 mm⁴ (+170%)
Heavier in HE wide flange sections
HE 650 A
- Weight
- 190.0 kg/m (+0.5%)
- Depth
- 640.0 mm (+106%)
- Ix
- 1,750,000,000 mm⁴ (+342%)
Closest Iₓ in HE wide flange sections
HE 300 C
- Weight
- 177.0 kg/m (-6.3%)
- Depth
- 320.0 mm (+3.2%)
- Ix
- 410,000,000 mm⁴ (+3.5%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology