Steel Beam Sizes / Europe / SHS / SHS 120×120×4
SHS 120×120×4 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 120×120×4 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 | 9.68 lb/ft | 14.40 kg/m |
| Height | 4.72 in | 120.00 mm |
| Width | 4.72 in | 120.00 mm |
| t | 0.157 in | 4.000 mm |
| Area | 2.85 in² | 1,840.00 mm² |
| Ix | 9.85 in⁴ | 4,100,000 mm⁴ |
| Iy | 9.85 in⁴ | 4,100,000 mm⁴ |
| Sx | 4.17 in³ | 68,400.00 mm³ |
| Sy | 4.17 in³ | 68,400.00 mm³ |
| Zx | 4.86 in³ | 79,700.00 mm³ |
| Zy | 4.86 in³ | 79,700.00 mm³ |
| rx | 1.86 in | 47.20 mm |
| ry | 1.86 in | 47.20 mm |
| J | 15.26 in⁴ | 6,350,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus SHS 120×120×4.
Lighter in Square hollow sections
SHS 80×80×6.3
- Weight
- 14.2 kg/m (-1.4%)
- Depth
- 80.0 mm (-33%)
- Ix
- 1,620,000 mm⁴ (-60%)
Heavier in Square hollow sections
SHS 90×90×5.6
- Weight
- 14.6 kg/m (+1.4%)
- Depth
- 90.0 mm (-25%)
- Ix
- 2,180,000 mm⁴ (-47%)
Closest Iₓ in Square hollow sections
SHS 100×100×8
- Weight
- 22.6 kg/m (+57%)
- Depth
- 100.0 mm (-17%)
- Ix
- 4,000,000 mm⁴ (-2.4%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology