Steel Beam Sizes / UK / CHS / CHS 88.9×7.1
CHS 88.9×7.1 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 88.9×7.1 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 | 9.61 lb/ft | 14.30 kg/m |
| OD | 3.500 in | 88.900 mm |
| t | 0.280 in | 7.100 mm |
| Area | 2.82 in² | 1,820.00 mm² |
| Ix | 3.70 in⁴ | 1,540,000 mm⁴ |
| Iy | 3.70 in⁴ | 1,540,000 mm⁴ |
| Sx | 2.11 in³ | 34,600.00 mm³ |
| Sy | 2.11 in³ | 34,600.00 mm³ |
| Zx | 2.90 in³ | 47,600.00 mm³ |
| Zy | 2.90 in³ | 47,600.00 mm³ |
| rx | 1.14 in | 29.00 mm |
| ry | 1.14 in | 29.00 mm |
| J | 7.40 in⁴ | 3,080,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus CHS 88.9×7.1.
Lighter in Circular hollow sections
CHS 114.3×5
- Weight
- 13.5 kg/m (-5.6%)
- Depth
- — mm
- Ix
- 2,570,000 mm⁴ (+67%)
Heavier in Circular hollow sections
CHS 101.6×6.3
- Weight
- 14.8 kg/m (+3.5%)
- Depth
- — mm
- Ix
- 2,150,000 mm⁴ (+40%)
Closest Iₓ in Circular hollow sections
CHS 101.6×4
- Weight
- 9.6 kg/m (-33%)
- Depth
- — mm
- Ix
- 1,460,000 mm⁴ (-5.2%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology