Steel Beam Sizes / Europe / Angles / L 120×120×15
L 120×120×15 Dimensions, Weight and Section Properties
EN Angles · v2026.1
L 120×120×15: 120 mm depth, 26.6 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
L 120×120×15 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 | 17.87 lb/ft | 26.60 kg/m |
| Width | 4.72 in | 120.00 mm |
| Height | 4.72 in | 120.00 mm |
| t | 0.591 in | 15.000 mm |
| Area | 5.25 in² | 3,390.00 mm² |
| Ix | 10.69 in⁴ | 4,450,000 mm⁴ |
| Iy | 10.69 in⁴ | 4,450,000 mm⁴ |
| Sx | 3.20 in³ | 52,400.00 mm³ |
| Sy | 3.20 in³ | 52,400.00 mm³ |
| rx | 1.43 in | 36.20 mm |
| ry | 1.43 in | 36.20 mm |
| J | 0.65 in⁴ | 270,000.00 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus L 120×120×15.
Lighter in Angles
L 100×100×18
- Weight
- 26.2 kg/m (-1.5%)
- Depth
- 100.0 mm (-17%)
- Ix
- 2,870,000 mm⁴ (-36%)
Heavier in Angles
L 130×130×14
- Weight
- 27.2 kg/m (+2.3%)
- Depth
- 130.0 mm (+8.3%)
- Ix
- 5,400,000 mm⁴ (+21%)
Another Iₓ option in Angles
L 140×90×10
- Weight
- 17.4 kg/m (-35%)
- Depth
- 140.0 mm (+17%)
- Ix
- 4,410,000 mm⁴ (-0.9%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology