Steel Beam Sizes / UK / CHS / CHS 508×11
CHS 508×11 Dimensions, Weight and Section Properties
UK Circular hollow sections · v2023.11
CHS 508×11: 135 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
CHS 508×11 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 | 90.72 lb/ft | 135.00 kg/m |
| OD | 20.000 in | 508.000 mm |
| t | 0.433 in | 11.000 mm |
| Area | 26.66 in² | 17,200.00 mm² |
| Ix | 1,275.73 in⁴ | 531,000,000 mm⁴ |
| Iy | 1,275.73 in⁴ | 531,000,000 mm⁴ |
| Sx | 127.54 in³ | 2,090,000 mm³ |
| Sy | 127.54 in³ | 2,090,000 mm³ |
| Zx | 165.98 in³ | 2,720,000 mm³ |
| Zy | 165.98 in³ | 2,720,000 mm³ |
| rx | 6.93 in | 176.00 mm |
| ry | 6.93 in | 176.00 mm |
| J | 2,546.66 in⁴ | 1,060,000,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus CHS 508×11.
Lighter in Circular hollow sections
CHS 355.6×16
- Weight
- 134.0 kg/m (-0.7%)
- Depth
- — mm
- Ix
- 247,000,000 mm⁴ (-53%)
Heavier in Circular hollow sections
CHS 406.4×14.2
- Weight
- 137.0 kg/m (+1.5%)
- Depth
- — mm
- Ix
- 337,000,000 mm⁴ (-37%)
Another Iₓ option in Circular hollow sections
CHS 457×16
- Weight
- 174.0 kg/m (+29%)
- Depth
- — mm
- Ix
- 540,000,000 mm⁴ (+1.7%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology