Steel Beam Sizes / Europe / SHS / SHS 300×300×11
SHS 300×300×11 Steel Beam Dimensions and Properties
EN Square hollow sections · v2026.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
SHS 300×300×11 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 | 66.39 lb/ft | 98.80 kg/m |
| Height | 11.81 in | 300.00 mm |
| Width | 11.81 in | 300.00 mm |
| t | 0.433 in | 11.000 mm |
| Area | 19.53 in² | 12,600.00 mm² |
| Ix | 418.04 in⁴ | 174,000,000 mm⁴ |
| Iy | 418.04 in⁴ | 174,000,000 mm⁴ |
| Sx | 70.79 in³ | 1,160,000 mm³ |
| Sy | 70.79 in³ | 1,160,000 mm³ |
| Zx | 82.99 in³ | 1,360,000 mm³ |
| Zy | 82.99 in³ | 1,360,000 mm³ |
| rx | 4.65 in | 118.00 mm |
| ry | 4.65 in | 118.00 mm |
| J | 648.68 in⁴ | 270,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus SHS 300×300×11.
Lighter in Square hollow sections
SHS 400×400×8
- Weight
- 97.9 kg/m (-0.9%)
- Depth
- 400.0 mm (+33%)
- Ix
- 319,000,000 mm⁴ (+83%)
Heavier in Square hollow sections
SHS 220×220×16
- Weight
- 100.0 kg/m (+1.2%)
- Depth
- 220.0 mm (-27%)
- Ix
- 87,500,000 mm⁴ (-50%)
Closest Iₓ in Square hollow sections
SHS 300×300×10
- Weight
- 90.2 kg/m (-8.7%)
- Depth
- 300.0 mm (0.0%)
- Ix
- 160,000,000 mm⁴ (-8.0%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology