Steel Beam Sizes / Europe / CHS / CHS 88.9×4.5
CHS 88.9×4.5 Steel Beam Dimensions and Properties
EN Circular hollow sections · v2026.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
CHS 88.9×4.5 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 | 6.30 lb/ft | 9.37 kg/m |
| OD | 3.500 in | 88.900 mm |
| t | 0.177 in | 4.500 mm |
| Area | 1.84 in² | 1,190.00 mm² |
| Ix | 2.57 in⁴ | 1,070,000 mm⁴ |
| Iy | 2.57 in⁴ | 1,070,000 mm⁴ |
| Sx | 1.46 in³ | 24,000.00 mm³ |
| Sy | 1.46 in³ | 24,000.00 mm³ |
| Zx | 1.96 in³ | 32,100.00 mm³ |
| Zy | 1.96 in³ | 32,100.00 mm³ |
| rx | 1.18 in | 29.90 mm |
| ry | 1.18 in | 29.90 mm |
| J | 5.12 in⁴ | 2,130,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus CHS 88.9×4.5.
Lighter in Circular hollow sections
CHS 60.3×7.1
- Weight
- 9.3 kg/m (-0.5%)
- Depth
- — mm
- Ix
- 427,000 mm⁴ (-60%)
Heavier in Circular hollow sections
CHS 101.6×4
- Weight
- 9.6 kg/m (+2.8%)
- Depth
- — mm
- Ix
- 1,460,000 mm⁴ (+36%)
Closest Iₓ in Circular hollow sections
CHS 76.1×8
- Weight
- 13.4 kg/m (+43%)
- Depth
- — mm
- Ix
- 1,010,000 mm⁴ (-5.6%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology