Steel Beam Sizes / UK / Angles / L 250×250×18
L 250×250×18 Dimensions, Weight and Section Properties
UK Angles · v2023.11
L 250×250×18: 250 mm depth, 68.1 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
L 250×250×18 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 | 45.76 lb/ft | 68.10 kg/m |
| Width | 9.84 in | 250.00 mm |
| Height | 9.84 in | 250.00 mm |
| t | 0.709 in | 18.000 mm |
| Area | 13.44 in² | 8,670.00 mm² |
| Ix | 123.97 in⁴ | 51,600,000 mm⁴ |
| Iy | 123.97 in⁴ | 51,600,000 mm⁴ |
| Sx | 17.33 in³ | 284,000.00 mm³ |
| Sy | 17.33 in³ | 284,000.00 mm³ |
| rx | 3.04 in | 77.10 mm |
| ry | 3.04 in | 77.10 mm |
| J | 2.36 in⁴ | 984,000.00 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus L 250×250×18.
Lighter in Angles
L 200×200×22
- Weight
- 65.6 kg/m (-3.7%)
- Depth
- 200.0 mm (-20%)
- Ix
- 30,900,000 mm⁴ (-40%)
Heavier in Angles
L 200×200×23
- Weight
- 68.3 kg/m (+0.3%)
- Depth
- 200.0 mm (-20%)
- Ix
- 32,100,000 mm⁴ (-38%)
Another Iₓ option in Angles
L 250×250×19
- Weight
- 71.7 kg/m (+5.3%)
- Depth
- 250.0 mm (0.0%)
- Ix
- 54,200,000 mm⁴ (+5.0%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Eurocode 3 - UK National Annex · Methodology