Steel Beam Sizes / Europe / CHS / CHS 139.7×3.6
CHS 139.7×3.6 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 139.7×3.6 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 | 8.13 lb/ft | 12.10 kg/m |
| OD | 5.500 in | 139.700 mm |
| t | 0.142 in | 3.600 mm |
| Area | 2.39 in² | 1,540.00 mm² |
| Ix | 8.58 in⁴ | 3,570,000 mm⁴ |
| Iy | 8.58 in⁴ | 3,570,000 mm⁴ |
| Sx | 3.12 in³ | 51,100.00 mm³ |
| Sy | 3.12 in³ | 51,100.00 mm³ |
| Zx | 4.07 in³ | 66,700.00 mm³ |
| Zy | 4.07 in³ | 66,700.00 mm³ |
| rx | 1.89 in | 48.10 mm |
| ry | 1.89 in | 48.10 mm |
| J | 17.13 in⁴ | 7,130,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus CHS 139.7×3.6.
Lighter in Circular hollow sections
CHS 101.6×5
- Weight
- 11.9 kg/m (-1.7%)
- Depth
- — mm
- Ix
- 1,770,000 mm⁴ (-50%)
Heavier in Circular hollow sections
CHS 114.3×4.5
- Weight
- 12.2 kg/m (+0.8%)
- Depth
- — mm
- Ix
- 2,340,000 mm⁴ (-34%)
Closest Iₓ in Circular hollow sections
CHS 114.3×7.1
- Weight
- 18.8 kg/m (+55%)
- Depth
- — mm
- Ix
- 3,450,000 mm⁴ (-3.4%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology