Steel Beam Sizes / UK / CHS / CHS 323.9×6.3
CHS 323.9×6.3 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 323.9×6.3 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 | 33.13 lb/ft | 49.30 kg/m |
| OD | 12.752 in | 323.900 mm |
| t | 0.248 in | 6.300 mm |
| Area | 9.75 in² | 6,290.00 mm² |
| Ix | 190.52 in⁴ | 79,300,000 mm⁴ |
| Iy | 190.52 in⁴ | 79,300,000 mm⁴ |
| Sx | 29.90 in³ | 490,000.00 mm³ |
| Sy | 29.90 in³ | 490,000.00 mm³ |
| Zx | 38.81 in³ | 636,000.00 mm³ |
| Zy | 38.81 in³ | 636,000.00 mm³ |
| rx | 4.41 in | 112.00 mm |
| ry | 4.41 in | 112.00 mm |
| J | 382.00 in⁴ | 159,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus CHS 323.9×6.3.
Lighter in Circular hollow sections
CHS 168.3×12.5
- Weight
- 48.0 kg/m (-2.6%)
- Depth
- — mm
- Ix
- 18,700,000 mm⁴ (-76%)
Heavier in Circular hollow sections
CHS 193.7×11
- Weight
- 49.6 kg/m (+0.6%)
- Depth
- — mm
- Ix
- 26,400,000 mm⁴ (-67%)
Closest Iₓ in Circular hollow sections
CHS 273×11
- Weight
- 71.1 kg/m (+44%)
- Depth
- — mm
- Ix
- 77,800,000 mm⁴ (-1.9%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology