Steel Beam Sizes / Europe / CHS / CHS 355.6×7.1
CHS 355.6×7.1 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 355.6×7.1 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 | 40.99 lb/ft | 61.00 kg/m |
| OD | 14.000 in | 355.600 mm |
| t | 0.280 in | 7.100 mm |
| Area | 12.04 in² | 7,770.00 mm² |
| Ix | 283.50 in⁴ | 118,000,000 mm⁴ |
| Iy | 283.50 in⁴ | 118,000,000 mm⁴ |
| Sx | 40.52 in³ | 664,000.00 mm³ |
| Sy | 40.52 in³ | 664,000.00 mm³ |
| Zx | 52.60 in³ | 862,000.00 mm³ |
| Zy | 52.60 in³ | 862,000.00 mm³ |
| rx | 4.84 in | 123.00 mm |
| ry | 4.84 in | 123.00 mm |
| J | 566.99 in⁴ | 236,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus CHS 355.6×7.1.
Lighter in Circular hollow sections
CHS 244.5×10
- Weight
- 57.8 kg/m (-5.2%)
- Depth
- — mm
- Ix
- 50,700,000 mm⁴ (-57%)
Heavier in Circular hollow sections
CHS 323.9×8
- Weight
- 62.3 kg/m (+2.1%)
- Depth
- — mm
- Ix
- 99,100,000 mm⁴ (-16%)
Closest Iₓ in Circular hollow sections
CHS 323.9×10
- Weight
- 77.4 kg/m (+27%)
- Depth
- — mm
- Ix
- 122,000,000 mm⁴ (+3.4%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology