Steel Beam Sizes / UK / CHS / CHS 88.9×4
CHS 88.9×4 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 88.9×4 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 | 5.63 lb/ft | 8.38 kg/m |
| OD | 3.500 in | 88.900 mm |
| t | 0.157 in | 4.000 mm |
| Area | 1.66 in² | 1,070.00 mm² |
| Ix | 2.31 in⁴ | 963,000.00 mm⁴ |
| Iy | 2.31 in⁴ | 963,000.00 mm⁴ |
| Sx | 1.32 in³ | 21,700.00 mm³ |
| Sy | 1.32 in³ | 21,700.00 mm³ |
| Zx | 1.76 in³ | 28,900.00 mm³ |
| Zy | 1.76 in³ | 28,900.00 mm³ |
| rx | 1.18 in | 30.00 mm |
| ry | 1.18 in | 30.00 mm |
| J | 4.64 in⁴ | 1,930,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus CHS 88.9×4.
Lighter in Circular hollow sections
CHS 76.1×4.5
- Weight
- 8.0 kg/m (-5.1%)
- Depth
- — mm
- Ix
- 651,000 mm⁴ (-32%)
Heavier in Circular hollow sections
CHS 60.3×6.3
- Weight
- 8.4 kg/m (+0.1%)
- Depth
- — mm
- Ix
- 395,000 mm⁴ (-59%)
Closest Iₓ in Circular hollow sections
CHS 76.1×7.1
- Weight
- 12.1 kg/m (+44%)
- Depth
- — mm
- Ix
- 926,000 mm⁴ (-3.8%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology