Steel Beam Sizes / Europe / SHS / SHS 120×120×5
SHS 120×120×5 Dimensions, Weight and Section Properties
EN Square hollow sections · v2026.1
SHS 120×120×5: 17.8 kg/m weight. View the full dimensions and properties in imperial and metric units below.
Need this steel supplied or fabricated?
Request project pricing for delivery in the United States or Canada.
Get a steel quote →Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
SHS 120×120×5 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 | 11.96 lb/ft | 17.80 kg/m |
| Height | 4.72 in | 120.00 mm |
| Width | 4.72 in | 120.00 mm |
| t | 0.197 in | 5.000 mm |
| Area | 3.52 in² | 2,270.00 mm² |
| Ix | 11.96 in⁴ | 4,980,000 mm⁴ |
| Iy | 11.96 in⁴ | 4,980,000 mm⁴ |
| Sx | 5.06 in³ | 83,000.00 mm³ |
| Sy | 5.06 in³ | 83,000.00 mm³ |
| Zx | 5.96 in³ | 97,600.00 mm³ |
| Zy | 5.96 in³ | 97,600.00 mm³ |
| rx | 1.84 in | 46.80 mm |
| ry | 1.84 in | 46.80 mm |
| J | 18.67 in⁴ | 7,770,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus SHS 120×120×5.
Lighter in Square hollow sections
SHS 80×80×8
- Weight
- 17.5 kg/m (-1.7%)
- Depth
- 80.0 mm (-33%)
- Ix
- 1,890,000 mm⁴ (-62%)
Heavier in Square hollow sections
SHS 90×90×7.1
- Weight
- 18.1 kg/m (+1.7%)
- Depth
- 90.0 mm (-25%)
- Ix
- 2,600,000 mm⁴ (-48%)
Another Iₓ option in Square hollow sections
SHS 100×100×10
- Weight
- 27.4 kg/m (+54%)
- Depth
- 100.0 mm (-17%)
- Ix
- 4,620,000 mm⁴ (-7.2%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology