Steel Beam Sizes / UK / CHS / CHS 168.3×5
CHS 168.3×5 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 168.3×5 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 | 13.51 lb/ft | 20.10 kg/m |
| OD | 6.626 in | 168.300 mm |
| t | 0.197 in | 5.000 mm |
| Area | 3.98 in² | 2,570.00 mm² |
| Ix | 20.57 in⁴ | 8,560,000 mm⁴ |
| Iy | 20.57 in⁴ | 8,560,000 mm⁴ |
| Sx | 6.22 in³ | 102,000.00 mm³ |
| Sy | 6.22 in³ | 102,000.00 mm³ |
| Zx | 8.12 in³ | 133,000.00 mm³ |
| Zy | 8.12 in³ | 133,000.00 mm³ |
| rx | 2.28 in | 57.80 mm |
| ry | 2.28 in | 57.80 mm |
| J | 41.08 in⁴ | 17,100,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus CHS 168.3×5.
Lighter in Circular hollow sections
CHS 88.9×10
- Weight
- 19.5 kg/m (-3.0%)
- Depth
- — mm
- Ix
- 1,960,000 mm⁴ (-77%)
Heavier in Circular hollow sections
CHS 139.7×6.3
- Weight
- 20.7 kg/m (+3.0%)
- Depth
- — mm
- Ix
- 5,890,000 mm⁴ (-31%)
Closest Iₓ in Circular hollow sections
CHS 139.7×10
- Weight
- 32.0 kg/m (+59%)
- Depth
- — mm
- Ix
- 8,620,000 mm⁴ (+0.7%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology