Steel Beam Sizes / Europe / SHS / SHS 120×120×8.8
SHS 120×120×8.8 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 120×120×8.8 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 | 20.23 lb/ft | 30.10 kg/m |
| Height | 4.72 in | 120.00 mm |
| Width | 4.72 in | 120.00 mm |
| t | 0.346 in | 8.800 mm |
| Area | 5.94 in² | 3,830.00 mm² |
| Ix | 18.72 in⁴ | 7,790,000 mm⁴ |
| Iy | 18.72 in⁴ | 7,790,000 mm⁴ |
| Sx | 7.93 in³ | 130,000.00 mm³ |
| Sy | 7.93 in³ | 130,000.00 mm³ |
| Zx | 9.64 in³ | 158,000.00 mm³ |
| Zy | 9.64 in³ | 158,000.00 mm³ |
| rx | 1.78 in | 45.10 mm |
| ry | 1.78 in | 45.10 mm |
| J | 30.03 in⁴ | 12,500,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus SHS 120×120×8.8.
Lighter in Square hollow sections
SHS 140×140×7.1
- Weight
- 29.2 kg/m (-3.0%)
- Depth
- 140.0 mm (+17%)
- Ix
- 10,900,000 mm⁴ (+40%)
Heavier in Square hollow sections
SHS 200×200×5
- Weight
- 30.4 kg/m (+1.0%)
- Depth
- 200.0 mm (+67%)
- Ix
- 24,400,000 mm⁴ (+213%)
Closest Iₓ in Square hollow sections
SHS 140×140×5
- Weight
- 21.0 kg/m (-30%)
- Depth
- 140.0 mm (+17%)
- Ix
- 8,070,000 mm⁴ (+3.6%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology