Steel Beam Sizes / UK / SHS / SHS 80×80×3.2
SHS 80×80×3.2 Steel Beam Dimensions and Properties
UK Square hollow sections · v2023.11
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
SHS 80×80×3.2 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 | 5.13 lb/ft | 7.63 kg/m |
| Height | 3.15 in | 80.00 mm |
| Width | 3.15 in | 80.00 mm |
| t | 0.126 in | 3.200 mm |
| Area | 1.51 in² | 972.00 mm² |
| Ix | 2.28 in⁴ | 950,000.00 mm⁴ |
| Iy | 2.28 in⁴ | 950,000.00 mm⁴ |
| Sx | 1.45 in³ | 23,700.00 mm³ |
| Sy | 1.45 in³ | 23,700.00 mm³ |
| Zx | 1.70 in³ | 27,900.00 mm³ |
| Zy | 1.70 in³ | 27,900.00 mm³ |
| rx | 1.23 in | 31.30 mm |
| ry | 1.23 in | 31.30 mm |
| J | 3.56 in⁴ | 1,480,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus SHS 80×80×3.2.
Lighter in Square hollow sections
SHS 50×50×5.6
- Weight
- 7.5 kg/m (-1.2%)
- Depth
- 50.0 mm (-37%)
- Ix
- 308,000 mm⁴ (-68%)
Heavier in Square hollow sections
SHS 70×70×4
- Weight
- 8.2 kg/m (+6.8%)
- Depth
- 70.0 mm (-12%)
- Ix
- 747,000 mm⁴ (-21%)
Closest Iₓ in Square hollow sections
SHS 70×70×5.6
- Weight
- 11.1 kg/m (+45%)
- Depth
- 70.0 mm (-12%)
- Ix
- 959,000 mm⁴ (+0.9%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology