Steel Beam Sizes / UK / CHS / CHS 323.9×5.6
CHS 323.9×5.6 Steel Beam Dimensions and Properties
UK Circular hollow sections · v2023.11
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
CHS 323.9×5.6 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 | 29.57 lb/ft | 44.00 kg/m |
| OD | 12.752 in | 323.900 mm |
| t | 0.220 in | 5.600 mm |
| Area | 8.68 in² | 5,600.00 mm² |
| Ix | 170.34 in⁴ | 70,900,000 mm⁴ |
| Iy | 170.34 in⁴ | 70,900,000 mm⁴ |
| Sx | 26.73 in³ | 438,000.00 mm³ |
| Sy | 26.73 in³ | 438,000.00 mm³ |
| Zx | 34.60 in³ | 567,000.00 mm³ |
| Zy | 34.60 in³ | 567,000.00 mm³ |
| rx | 4.45 in | 113.00 mm |
| ry | 4.45 in | 113.00 mm |
| J | 341.16 in⁴ | 142,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus CHS 323.9×5.6.
Lighter in Circular hollow sections
CHS 168.3×11
- Weight
- 42.7 kg/m (-3.0%)
- Depth
- — mm
- Ix
- 16,900,000 mm⁴ (-76%)
Heavier in Circular hollow sections
CHS 193.7×10
- Weight
- 45.3 kg/m (+3.0%)
- Depth
- — mm
- Ix
- 24,400,000 mm⁴ (-66%)
Closest Iₓ in Circular hollow sections
CHS 273×10
- Weight
- 64.9 kg/m (+47%)
- Depth
- — mm
- Ix
- 71,500,000 mm⁴ (+0.8%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology