Steel Beam Sizes / Europe / CHS / CHS 139.7×6.3
CHS 139.7×6.3 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 139.7×6.3 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 | 13.91 lb/ft | 20.70 kg/m |
| OD | 5.500 in | 139.700 mm |
| t | 0.248 in | 6.300 mm |
| Area | 4.09 in² | 2,640.00 mm² |
| Ix | 14.15 in⁴ | 5,890,000 mm⁴ |
| Iy | 14.15 in⁴ | 5,890,000 mm⁴ |
| Sx | 5.14 in³ | 84,300.00 mm³ |
| Sy | 5.14 in³ | 84,300.00 mm³ |
| Zx | 6.83 in³ | 112,000.00 mm³ |
| Zy | 6.83 in³ | 112,000.00 mm³ |
| rx | 1.86 in | 47.20 mm |
| ry | 1.86 in | 47.20 mm |
| J | 28.35 in⁴ | 11,800,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus CHS 139.7×6.3.
Lighter in Circular hollow sections
CHS 168.3×5
- Weight
- 20.1 kg/m (-2.9%)
- Depth
- — mm
- Ix
- 8,560,000 mm⁴ (+45%)
Heavier in Circular hollow sections
CHS 114.3×8
- Weight
- 21.0 kg/m (+1.4%)
- Depth
- — mm
- Ix
- 3,790,000 mm⁴ (-36%)
Closest Iₓ in Circular hollow sections
CHS 139.7×5.6
- Weight
- 18.5 kg/m (-11%)
- Depth
- — mm
- Ix
- 5,310,000 mm⁴ (-9.8%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology