Steel Beam Sizes / Europe / Angles / L 300×300×34
L 300×300×34 Steel Beam Dimensions and Properties
EN Angles · v2026.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
L 300×300×34 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 | 100.80 lb/ft | 150.00 kg/m |
| Width | 11.81 in | 300.00 mm |
| Height | 11.81 in | 300.00 mm |
| t | 1.339 in | 34.000 mm |
| Area | 29.61 in² | 19,100.00 mm² |
| Ix | 382.00 in⁴ | 159,000,000 mm⁴ |
| Iy | 382.00 in⁴ | 159,000,000 mm⁴ |
| Sx | 45.65 in³ | 748,000.00 mm³ |
| Sy | 45.65 in³ | 748,000.00 mm³ |
| rx | 3.59 in | 91.20 mm |
| ry | 3.59 in | 91.20 mm |
| J | 18.24 in⁴ | 7,590,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L 300×300×34.
Lighter in Angles
L 300×300×33
- Weight
- 146.0 kg/m (-2.7%)
- Depth
- 300.0 mm (0.0%)
- Ix
- 155,000,000 mm⁴ (-2.5%)
Heavier in Angles
L 300×300×35
- Weight
- 154.0 kg/m (+2.7%)
- Depth
- 300.0 mm (0.0%)
- Ix
- 163,000,000 mm⁴ (+2.5%)
Closest Iₓ in Angles
L 300×300×32
- Weight
- 142.0 kg/m (-5.3%)
- Depth
- 300.0 mm (0.0%)
- Ix
- 151,000,000 mm⁴ (-5.0%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology