Steel Beam Sizes / Europe / Angles / L 140×140×18
L 140×140×18 Steel Beam Dimensions and Properties
EN Angles · v2026.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
L 140×140×18 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 | 25.00 lb/ft | 37.20 kg/m |
| Width | 5.51 in | 140.00 mm |
| Height | 5.51 in | 140.00 mm |
| t | 0.709 in | 18.000 mm |
| Area | 7.35 in² | 4,740.00 mm² |
| Ix | 20.28 in⁴ | 8,440,000 mm⁴ |
| Iy | 20.28 in⁴ | 8,440,000 mm⁴ |
| Sx | 5.21 in³ | 85,400.00 mm³ |
| Sy | 5.21 in³ | 85,400.00 mm³ |
| rx | 1.66 in | 42.20 mm |
| ry | 1.66 in | 42.20 mm |
| J | 1.30 in⁴ | 543,000.00 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L 140×140×18.
Lighter in Angles
L 200×200×12
- Weight
- 36.8 kg/m (-1.1%)
- Depth
- 200.0 mm (+43%)
- Ix
- 18,100,000 mm⁴ (+114%)
Heavier in Angles
L 150×150×17
- Weight
- 38.0 kg/m (+2.2%)
- Depth
- 150.0 mm (+7.1%)
- Ix
- 10,000,000 mm⁴ (+18%)
Closest Iₓ in Angles
L 150×150×14
- Weight
- 31.6 kg/m (-15%)
- Depth
- 150.0 mm (+7.1%)
- Ix
- 8,450,000 mm⁴ (+0.1%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology