Steel Beam Sizes / Europe / Angles / L 140×90×12
L 140×90×12 Steel Beam Dimensions and Properties
EN Angles · v2026.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
L 140×90×12 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 | 13.84 lb/ft | 20.60 kg/m |
| Width | 3.54 in | 90.00 mm |
| Height | 5.51 in | 140.00 mm |
| t | 0.472 in | 12.000 mm |
| Area | 4.08 in² | 2,630.00 mm² |
| Ix | 12.45 in⁴ | 5,180,000 mm⁴ |
| Iy | 4.04 in⁴ | 1,680,000 mm⁴ |
| Sx | 3.39 in³ | 55,500.00 mm³ |
| Sy | 1.51 in³ | 24,700.00 mm³ |
| rx | 1.73 in | 44.00 mm |
| ry | 0.98 in | 25.00 mm |
| J | 0.32 in⁴ | 133,000.00 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L 140×90×12.
Lighter in Angles
L 120×120×11
- Weight
- 19.9 kg/m (-3.4%)
- Depth
- 120.0 mm (-14%)
- Ix
- 3,410,000 mm⁴ (-34%)
Heavier in Angles
L 90×90×16
- Weight
- 20.7 kg/m (+0.5%)
- Depth
- 90.0 mm (-36%)
- Ix
- 1,860,000 mm⁴ (-64%)
Closest Iₓ in Angles
L 130×130×13
- Weight
- 25.4 kg/m (+23%)
- Depth
- 130.0 mm (-7.1%)
- Ix
- 5,060,000 mm⁴ (-2.3%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology