Steel Beam Sizes / Europe / CHS / CHS 508×11
CHS 508×11 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 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
Same-series weight neighbors, closest Ix, 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%)
Closest Iₓ in Circular hollow sections
CHS 457×16
- Weight
- 174.0 kg/m (+29%)
- Depth
- — mm
- Ix
- 540,000,000 mm⁴ (+1.7%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology