Steel Beam Sizes / Europe / CHS / CHS 323.9×8
CHS 323.9×8 Dimensions, Weight and Section Properties
EN Circular hollow sections · v2026.1
CHS 323.9×8: 62.3 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
CHS 323.9×8 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 | 41.86 lb/ft | 62.30 kg/m |
| OD | 12.752 in | 323.900 mm |
| t | 0.315 in | 8.000 mm |
| Area | 12.31 in² | 7,940.00 mm² |
| Ix | 238.09 in⁴ | 99,100,000 mm⁴ |
| Iy | 238.09 in⁴ | 99,100,000 mm⁴ |
| Sx | 37.35 in³ | 612,000.00 mm³ |
| Sy | 37.35 in³ | 612,000.00 mm³ |
| Zx | 48.76 in³ | 799,000.00 mm³ |
| Zy | 48.76 in³ | 799,000.00 mm³ |
| rx | 4.41 in | 112.00 mm |
| ry | 4.41 in | 112.00 mm |
| J | 475.70 in⁴ | 198,000,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus CHS 323.9×8.
Lighter in Circular hollow sections
CHS 355.6×7.1
- Weight
- 61.0 kg/m (-2.1%)
- Depth
- — mm
- Ix
- 118,000,000 mm⁴ (+19%)
Heavier in Circular hollow sections
CHS 193.7×14.2
- Weight
- 62.9 kg/m (+1.0%)
- Depth
- — mm
- Ix
- 32,400,000 mm⁴ (-67%)
Another Iₓ option in Circular hollow sections
CHS 273×14.2
- Weight
- 90.6 kg/m (+45%)
- Depth
- — mm
- Ix
- 97,000,000 mm⁴ (-2.1%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology