Steel Beam Sizes / Europe / CHS / CHS 323.9×10
CHS 323.9×10 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 323.9×10 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 | 52.01 lb/ft | 77.40 kg/m |
| OD | 12.752 in | 323.900 mm |
| t | 0.394 in | 10.000 mm |
| Area | 15.28 in² | 9,860.00 mm² |
| Ix | 293.11 in⁴ | 122,000,000 mm⁴ |
| Iy | 293.11 in⁴ | 122,000,000 mm⁴ |
| Sx | 45.83 in³ | 751,000.00 mm³ |
| Sy | 45.83 in³ | 751,000.00 mm³ |
| Zx | 60.17 in³ | 986,000.00 mm³ |
| Zy | 60.17 in³ | 986,000.00 mm³ |
| rx | 4.37 in | 111.00 mm |
| ry | 4.37 in | 111.00 mm |
| J | 583.81 in⁴ | 243,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus CHS 323.9×10.
Lighter in Circular hollow sections
CHS 219.1×14.2
- Weight
- 71.8 kg/m (-7.2%)
- Depth
- — mm
- Ix
- 48,200,000 mm⁴ (-60%)
Heavier in Circular hollow sections
CHS 219.1×16
- Weight
- 80.1 kg/m (+3.5%)
- Depth
- — mm
- Ix
- 53,000,000 mm⁴ (-57%)
Closest Iₓ in Circular hollow sections
CHS 355.6×7.1
- Weight
- 61.0 kg/m (-21%)
- Depth
- — mm
- Ix
- 118,000,000 mm⁴ (-3.3%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology