Steel Beam Sizes / Europe / SHS / SHS 120×120×8
SHS 120×120×8 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 120×120×8 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 | 18.55 lb/ft | 27.60 kg/m |
| Height | 4.72 in | 120.00 mm |
| Width | 4.72 in | 120.00 mm |
| t | 0.315 in | 8.000 mm |
| Area | 5.46 in² | 3,520.00 mm² |
| Ix | 17.44 in⁴ | 7,260,000 mm⁴ |
| Iy | 17.44 in⁴ | 7,260,000 mm⁴ |
| Sx | 7.38 in³ | 121,000.00 mm³ |
| Sy | 7.38 in³ | 121,000.00 mm³ |
| Zx | 8.91 in³ | 146,000.00 mm³ |
| Zy | 8.91 in³ | 146,000.00 mm³ |
| rx | 1.79 in | 45.50 mm |
| ry | 1.79 in | 45.50 mm |
| J | 27.87 in⁴ | 11,600,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus SHS 120×120×8.
Lighter in Square hollow sections
SHS 100×100×10
- Weight
- 27.4 kg/m (-0.7%)
- Depth
- 100.0 mm (-17%)
- Ix
- 4,620,000 mm⁴ (-36%)
Heavier in Square hollow sections
SHS 150×150×6.3
- Weight
- 28.1 kg/m (+1.8%)
- Depth
- 150.0 mm (+25%)
- Ix
- 12,200,000 mm⁴ (+68%)
Closest Iₓ in Square hollow sections
SHS 120×120×8.8
- Weight
- 30.1 kg/m (+9.1%)
- Depth
- 120.0 mm (0.0%)
- Ix
- 7,790,000 mm⁴ (+7.3%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology