Steel Beam Sizes / Europe / CHS / CHS 42.4×2.9
CHS 42.4×2.9 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 42.4×2.9 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 | 1.89 lb/ft | 2.82 kg/m |
| OD | 1.669 in | 42.400 mm |
| t | 0.114 in | 2.900 mm |
| Area | 0.56 in² | 360.00 mm² |
| Ix | 0.17 in⁴ | 70,600.00 mm⁴ |
| Iy | 0.17 in⁴ | 70,600.00 mm⁴ |
| Sx | 0.20 in³ | 3,330.00 mm³ |
| Sy | 0.20 in³ | 3,330.00 mm³ |
| Zx | 0.28 in³ | 4,530.00 mm³ |
| Zy | 0.28 in³ | 4,530.00 mm³ |
| rx | 0.55 in | 14.00 mm |
| ry | 0.55 in | 14.00 mm |
| J | 0.34 in⁴ | 141,000.00 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus CHS 42.4×2.9.
Lighter in Circular hollow sections
CHS 33.7×3.6
- Weight
- 2.7 kg/m (-5.3%)
- Depth
- — mm
- Ix
- 39,100 mm⁴ (-45%)
Heavier in Circular hollow sections
CHS 33.7×4
- Weight
- 2.9 kg/m (+3.9%)
- Depth
- — mm
- Ix
- 41,900 mm⁴ (-41%)
Closest Iₓ in Circular hollow sections
CHS 42.4×3.2
- Weight
- 3.1 kg/m (+9.6%)
- Depth
- — mm
- Ix
- 76,200 mm⁴ (+7.9%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology