Steel Beam Sizes / Europe / CHS / CHS 168.3×12.5
CHS 168.3×12.5 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 168.3×12.5 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 | 32.25 lb/ft | 48.00 kg/m |
| OD | 6.626 in | 168.300 mm |
| t | 0.492 in | 12.500 mm |
| Area | 9.49 in² | 6,120.00 mm² |
| Ix | 44.93 in⁴ | 18,700,000 mm⁴ |
| Iy | 44.93 in⁴ | 18,700,000 mm⁴ |
| Sx | 13.55 in³ | 222,000.00 mm³ |
| Sy | 13.55 in³ | 222,000.00 mm³ |
| Zx | 18.55 in³ | 304,000.00 mm³ |
| Zy | 18.55 in³ | 304,000.00 mm³ |
| rx | 2.18 in | 55.30 mm |
| ry | 2.18 in | 55.30 mm |
| J | 89.85 in⁴ | 37,400,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus CHS 168.3×12.5.
Lighter in Circular hollow sections
CHS 244.5×8
- Weight
- 46.7 kg/m (-2.7%)
- Depth
- — mm
- Ix
- 41,600,000 mm⁴ (+122%)
Heavier in Circular hollow sections
CHS 323.9×6.3
- Weight
- 49.3 kg/m (+2.7%)
- Depth
- — mm
- Ix
- 79,300,000 mm⁴ (+324%)
Closest Iₓ in Circular hollow sections
CHS 219.1×5
- Weight
- 26.4 kg/m (-45%)
- Depth
- — mm
- Ix
- 19,300,000 mm⁴ (+3.2%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology