Steel Beam Sizes / UK / CHS / CHS 88.9×6.3
CHS 88.9×6.3 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 88.9×6.3 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 | 8.60 lb/ft | 12.80 kg/m |
| OD | 3.500 in | 88.900 mm |
| t | 0.248 in | 6.300 mm |
| Area | 2.53 in² | 1,630.00 mm² |
| Ix | 3.36 in⁴ | 1,400,000 mm⁴ |
| Iy | 3.36 in⁴ | 1,400,000 mm⁴ |
| Sx | 1.92 in³ | 31,500.00 mm³ |
| Sy | 1.92 in³ | 31,500.00 mm³ |
| Zx | 2.63 in³ | 43,100.00 mm³ |
| Zy | 2.63 in³ | 43,100.00 mm³ |
| rx | 1.15 in | 29.30 mm |
| ry | 1.15 in | 29.30 mm |
| J | 6.73 in⁴ | 2,800,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus CHS 88.9×6.3.
Lighter in Circular hollow sections
CHS 114.3×4.5
- Weight
- 12.2 kg/m (-4.7%)
- Depth
- — mm
- Ix
- 2,340,000 mm⁴ (+67%)
Heavier in Circular hollow sections
CHS 101.6×5.6
- Weight
- 13.3 kg/m (+3.9%)
- Depth
- — mm
- Ix
- 1,950,000 mm⁴ (+39%)
Closest Iₓ in Circular hollow sections
CHS 101.6×4
- Weight
- 9.6 kg/m (-25%)
- Depth
- — mm
- Ix
- 1,460,000 mm⁴ (+4.3%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology