Steel Beam Sizes / UK / Angles / L 90×90×9
L 90×90×9 Dimensions, Weight and Section Properties
UK Angles · v2023.11
L 90×90×9: 90 mm depth, 12.2 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
L 90×90×9 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 | 8.20 lb/ft | 12.20 kg/m |
| Width | 3.54 in | 90.00 mm |
| Height | 3.54 in | 90.00 mm |
| t | 0.354 in | 9.000 mm |
| Area | 2.40 in² | 1,550.00 mm² |
| Ix | 2.79 in⁴ | 1,160,000 mm⁴ |
| Iy | 2.79 in⁴ | 1,160,000 mm⁴ |
| Sx | 1.09 in³ | 17,900.00 mm³ |
| Sy | 1.09 in³ | 17,900.00 mm³ |
| rx | 1.07 in | 27.30 mm |
| ry | 1.07 in | 27.30 mm |
| J | 0.11 in⁴ | 45,900.00 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus L 90×90×9.
Lighter in Angles
L 80×80×10
- Weight
- 11.9 kg/m (-2.5%)
- Depth
- 80.0 mm (-11%)
- Ix
- 875,000 mm⁴ (-25%)
Heavier in Angles
L 100×65×10
- Weight
- 12.3 kg/m (+0.8%)
- Depth
- 100.0 mm (+11%)
- Ix
- 1,540,000 mm⁴ (+33%)
Another Iₓ option in Angles
L 100×65×7
- Weight
- 8.8 kg/m (-28%)
- Depth
- 100.0 mm (+11%)
- Ix
- 1,130,000 mm⁴ (-2.6%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Eurocode 3 - UK National Annex · Methodology