Steel Beam Sizes / UK / CHS / CHS 88.9×8
CHS 88.9×8 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 88.9×8 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 | 10.75 lb/ft | 16.00 kg/m |
| OD | 3.500 in | 88.900 mm |
| t | 0.315 in | 8.000 mm |
| Area | 3.15 in² | 2,030.00 mm² |
| Ix | 4.04 in⁴ | 1,680,000 mm⁴ |
| Iy | 4.04 in⁴ | 1,680,000 mm⁴ |
| Sx | 2.31 in³ | 37,800.00 mm³ |
| Sy | 2.31 in³ | 37,800.00 mm³ |
| Zx | 3.20 in³ | 52,500.00 mm³ |
| Zy | 3.20 in³ | 52,500.00 mm³ |
| rx | 1.13 in | 28.70 mm |
| ry | 1.13 in | 28.70 mm |
| J | 8.07 in⁴ | 3,360,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus CHS 88.9×8.
Lighter in Circular hollow sections
CHS 114.3×5.6
- Weight
- 15.0 kg/m (-6.3%)
- Depth
- — mm
- Ix
- 2,830,000 mm⁴ (+68%)
Heavier in Circular hollow sections
CHS 101.6×7.1
- Weight
- 16.5 kg/m (+3.1%)
- Depth
- — mm
- Ix
- 2,370,000 mm⁴ (+41%)
Closest Iₓ in Circular hollow sections
CHS 101.6×4.5
- Weight
- 10.8 kg/m (-33%)
- Depth
- — mm
- Ix
- 1,620,000 mm⁴ (-3.6%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology