Steel Beam Sizes / Europe / Angles / L 120×120×7
L 120×120×7 Steel Beam Dimensions and Properties
EN Angles · v2026.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
L 120×120×7 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 | 8.67 lb/ft | 12.90 kg/m |
| Width | 4.72 in | 120.00 mm |
| Height | 4.72 in | 120.00 mm |
| t | 0.276 in | 7.000 mm |
| Area | 2.56 in² | 1,650.00 mm² |
| Ix | 5.43 in⁴ | 2,260,000 mm⁴ |
| Iy | 5.43 in⁴ | 2,260,000 mm⁴ |
| Sx | 1.56 in³ | 25,600.00 mm³ |
| Sy | 1.56 in³ | 25,600.00 mm³ |
| rx | 1.46 in | 37.00 mm |
| ry | 1.46 in | 37.00 mm |
| J | 0.07 in⁴ | 30,400.00 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L 120×120×7.
Lighter in Angles
L 100×65×10
- Weight
- 12.3 kg/m (-4.7%)
- Depth
- 100.0 mm (-17%)
- Ix
- 1,540,000 mm⁴ (-32%)
Heavier in Angles
L 100×65×11
- Weight
- 13.4 kg/m (+3.9%)
- Depth
- 100.0 mm (-17%)
- Ix
- 1,670,000 mm⁴ (-26%)
Closest Iₓ in Angles
L 120×80×8
- Weight
- 12.2 kg/m (-5.4%)
- Depth
- 120.0 mm (0.0%)
- Ix
- 2,260,000 mm⁴ (0.0%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology