Steel Beam Sizes / Europe / Angles / L 300×300×29
L 300×300×29 Dimensions, Weight and Section Properties
EN Angles · v2026.1
L 300×300×29: 300 mm depth, 129 kg/m weight. View the full dimensions and properties in imperial and metric units below.
Need this steel supplied or fabricated?
Request project pricing for delivery in the United States or Canada.
Get a steel quote →Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
L 300×300×29 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 | 86.68 lb/ft | 129.00 kg/m |
| Width | 11.81 in | 300.00 mm |
| Height | 11.81 in | 300.00 mm |
| t | 1.142 in | 29.000 mm |
| Area | 25.58 in² | 16,500.00 mm² |
| Ix | 333.95 in⁴ | 139,000,000 mm⁴ |
| Iy | 333.95 in⁴ | 139,000,000 mm⁴ |
| Sx | 39.36 in³ | 645,000.00 mm³ |
| Sy | 39.36 in³ | 645,000.00 mm³ |
| rx | 3.61 in | 91.80 mm |
| ry | 3.61 in | 91.80 mm |
| J | 11.46 in⁴ | 4,770,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus L 300×300×29.
Lighter in Angles
L 250×250×35
- Weight
- 128.0 kg/m (-0.8%)
- Depth
- 250.0 mm (-17%)
- Ix
- 92,600,000 mm⁴ (-33%)
Heavier in Angles
L 300×300×30
- Weight
- 133.0 kg/m (+3.1%)
- Depth
- 300.0 mm (0.0%)
- Ix
- 143,000,000 mm⁴ (+2.9%)
Another Iₓ option in Angles
L 300×300×28
- Weight
- 125.0 kg/m (-3.1%)
- Depth
- 300.0 mm (0.0%)
- Ix
- 134,000,000 mm⁴ (-3.6%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology