Steel Beam Sizes / Europe / Angles / L 100×100×9
L 100×100×9 Steel Beam Dimensions and Properties
EN Angles · v2026.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
L 100×100×9 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 | 9.14 lb/ft | 13.60 kg/m |
| Width | 3.94 in | 100.00 mm |
| Height | 3.94 in | 100.00 mm |
| t | 0.354 in | 9.000 mm |
| Area | 2.68 in² | 1,730.00 mm² |
| Ix | 3.87 in⁴ | 1,610,000 mm⁴ |
| Iy | 3.87 in⁴ | 1,610,000 mm⁴ |
| Sx | 1.36 in³ | 22,300.00 mm³ |
| Sy | 1.36 in³ | 22,300.00 mm³ |
| rx | 1.20 in | 30.50 mm |
| ry | 1.20 in | 30.50 mm |
| J | 0.12 in⁴ | 51,500.00 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L 100×100×9.
Lighter in Angles
L 100×65×11
- Weight
- 13.4 kg/m (-1.5%)
- Depth
- 100.0 mm (0.0%)
- Ix
- 1,670,000 mm⁴ (+3.7%)
Heavier in Angles
L 140×90×8
- Weight
- 14.0 kg/m (+2.9%)
- Depth
- 140.0 mm (+40%)
- Ix
- 3,600,000 mm⁴ (+124%)
Closest Iₓ in Angles
L 100×65×10
- Weight
- 12.3 kg/m (-9.6%)
- Depth
- 100.0 mm (0.0%)
- Ix
- 1,540,000 mm⁴ (-4.3%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology