Steel Beam Sizes / Europe / CHS / CHS 355.6×11
CHS 355.6×11 Steel Beam Dimensions and Properties
EN Circular hollow sections · v2026.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
CHS 355.6×11 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 | 62.83 lb/ft | 93.50 kg/m |
| OD | 14.000 in | 355.600 mm |
| t | 0.433 in | 11.000 mm |
| Area | 18.45 in² | 11,900.00 mm² |
| Ix | 425.24 in⁴ | 177,000,000 mm⁴ |
| Iy | 425.24 in⁴ | 177,000,000 mm⁴ |
| Sx | 60.72 in³ | 995,000.00 mm³ |
| Sy | 60.72 in³ | 995,000.00 mm³ |
| Zx | 79.94 in³ | 1,310,000 mm³ |
| Zy | 79.94 in³ | 1,310,000 mm³ |
| rx | 4.80 in | 122.00 mm |
| ry | 4.80 in | 122.00 mm |
| J | 850.49 in⁴ | 354,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus CHS 355.6×11.
Lighter in Circular hollow sections
CHS 273×14.2
- Weight
- 90.6 kg/m (-3.1%)
- Depth
- — mm
- Ix
- 97,000,000 mm⁴ (-45%)
Heavier in Circular hollow sections
CHS 323.9×12.5
- Weight
- 96.0 kg/m (+2.7%)
- Depth
- — mm
- Ix
- 148,000,000 mm⁴ (-16%)
Closest Iₓ in Circular hollow sections
CHS 323.9×16
- Weight
- 121.0 kg/m (+29%)
- Depth
- — mm
- Ix
- 184,000,000 mm⁴ (+4.0%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology