Steel Beam Sizes / UK / Angles / L 140×140×12
L 140×140×12 Steel Beam Dimensions and Properties
UK Angles · v2023.11
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
L 140×140×12 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 | 17.07 lb/ft | 25.40 kg/m |
| Width | 5.51 in | 140.00 mm |
| Height | 5.51 in | 140.00 mm |
| t | 0.472 in | 12.000 mm |
| Area | 5.02 in² | 3,240.00 mm² |
| Ix | 14.29 in⁴ | 5,950,000 mm⁴ |
| Iy | 14.29 in⁴ | 5,950,000 mm⁴ |
| Sx | 3.59 in³ | 58,800.00 mm³ |
| Sy | 3.59 in³ | 58,800.00 mm³ |
| rx | 1.69 in | 42.80 mm |
| ry | 1.69 in | 42.80 mm |
| J | 0.41 in⁴ | 169,000.00 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L 140×140×12.
Lighter in Angles
L 150×150×11
- Weight
- 25.2 kg/m (-0.8%)
- Depth
- 150.0 mm (+7.1%)
- Ix
- 6,810,000 mm⁴ (+14%)
Heavier in Angles
L 150×100×14
- Weight
- 26.1 kg/m (+2.8%)
- Depth
- 150.0 mm (+7.1%)
- Ix
- 7,440,000 mm⁴ (+25%)
Closest Iₓ in Angles
L 140×90×14
- Weight
- 23.8 kg/m (-6.3%)
- Depth
- 140.0 mm (0.0%)
- Ix
- 5,920,000 mm⁴ (-0.5%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Eurocode 3 - UK National Annex · Methodology