Steel Beam Sizes / Europe / SHS / SHS 80×80×8.8
SHS 80×80×8.8 Steel Beam Dimensions and Properties
EN Square hollow sections · v2026.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
SHS 80×80×8.8 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 | 12.77 lb/ft | 19.00 kg/m |
| Height | 3.15 in | 80.00 mm |
| Width | 3.15 in | 80.00 mm |
| t | 0.346 in | 8.800 mm |
| Area | 3.75 in² | 2,420.00 mm² |
| Ix | 4.81 in⁴ | 2,000,000 mm⁴ |
| Iy | 4.81 in⁴ | 2,000,000 mm⁴ |
| Sx | 3.05 in³ | 50,000.00 mm³ |
| Sy | 3.05 in³ | 50,000.00 mm³ |
| Zx | 3.89 in³ | 63,700.00 mm³ |
| Zy | 3.89 in³ | 63,700.00 mm³ |
| rx | 1.13 in | 28.70 mm |
| ry | 1.13 in | 28.70 mm |
| J | 7.98 in⁴ | 3,320,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus SHS 80×80×8.8.
Lighter in Square hollow sections
SHS 100×100×6.3
- Weight
- 18.2 kg/m (-4.2%)
- Depth
- 100.0 mm (+25%)
- Ix
- 3,360,000 mm⁴ (+68%)
Heavier in Square hollow sections
SHS 120×120×5.6
- Weight
- 19.9 kg/m (+4.7%)
- Depth
- 120.0 mm (+50%)
- Ix
- 5,470,000 mm⁴ (+174%)
Closest Iₓ in Square hollow sections
SHS 90×90×5
- Weight
- 13.1 kg/m (-31%)
- Depth
- 90.0 mm (+13%)
- Ix
- 2,000,000 mm⁴ (0.0%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology