Steel Beam Sizes / UK / CHS / CHS 33.7×4
CHS 33.7×4 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 33.7×4 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 | 1.97 lb/ft | 2.93 kg/m |
| OD | 1.327 in | 33.700 mm |
| t | 0.157 in | 4.000 mm |
| Area | 0.58 in² | 373.00 mm² |
| Ix | 0.10 in⁴ | 41,900.00 mm⁴ |
| Iy | 0.10 in⁴ | 41,900.00 mm⁴ |
| Sx | 0.15 in³ | 2,490.00 mm³ |
| Sy | 0.15 in³ | 2,490.00 mm³ |
| Zx | 0.22 in³ | 3,550.00 mm³ |
| Zy | 0.22 in³ | 3,550.00 mm³ |
| rx | 0.42 in | 10.60 mm |
| ry | 0.42 in | 10.60 mm |
| J | 0.20 in⁴ | 83,800.00 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus CHS 33.7×4.
Lighter in Circular hollow sections
CHS 42.4×2.9
- Weight
- 2.8 kg/m (-3.8%)
- Depth
- — mm
- Ix
- 70,600 mm⁴ (+68%)
Heavier in Circular hollow sections
CHS 42.4×3.2
- Weight
- 3.1 kg/m (+5.5%)
- Depth
- — mm
- Ix
- 76,200 mm⁴ (+82%)
Closest Iₓ in Circular hollow sections
CHS 33.7×3.6
- Weight
- 2.7 kg/m (-8.9%)
- Depth
- — mm
- Ix
- 39,100 mm⁴ (-6.7%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology