Steel Beam Sizes / Europe / Angles / L 120×120×10
L 120×120×10 Steel Beam Dimensions and Properties
EN Angles · v2026.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
L 120×120×10 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 | 12.23 lb/ft | 18.20 kg/m |
| Width | 4.72 in | 120.00 mm |
| Height | 4.72 in | 120.00 mm |
| t | 0.394 in | 10.000 mm |
| Area | 3.60 in² | 2,320.00 mm² |
| Ix | 7.52 in⁴ | 3,130,000 mm⁴ |
| Iy | 7.52 in⁴ | 3,130,000 mm⁴ |
| Sx | 2.20 in³ | 36,000.00 mm³ |
| Sy | 2.20 in³ | 36,000.00 mm³ |
| rx | 1.44 in | 36.70 mm |
| ry | 1.44 in | 36.70 mm |
| J | 0.20 in⁴ | 84,100.00 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L 120×120×10.
Lighter in Angles
L 130×130×9
- Weight
- 17.9 kg/m (-1.6%)
- Depth
- 130.0 mm (+8.3%)
- Ix
- 3,640,000 mm⁴ (+16%)
Heavier in Angles
L 150×100×10
- Weight
- 19.0 kg/m (+4.4%)
- Depth
- 150.0 mm (+25%)
- Ix
- 5,530,000 mm⁴ (+77%)
Closest Iₓ in Angles
L 110×110×14
- Weight
- 23.3 kg/m (+28%)
- Depth
- 110.0 mm (-8.3%)
- Ix
- 3,180,000 mm⁴ (+1.6%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology