Steel Beam Sizes / UK / CHS / CHS 139.7×7.1
CHS 139.7×7.1 Steel Beam Dimensions and Properties
UK Circular hollow sections · v2023.11
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
CHS 139.7×7.1 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 | 15.59 lb/ft | 23.20 kg/m |
| OD | 5.500 in | 139.700 mm |
| t | 0.280 in | 7.100 mm |
| Area | 4.59 in² | 2,960.00 mm² |
| Ix | 15.66 in⁴ | 6,520,000 mm⁴ |
| Iy | 15.66 in⁴ | 6,520,000 mm⁴ |
| Sx | 5.69 in³ | 93,300.00 mm³ |
| Sy | 5.69 in³ | 93,300.00 mm³ |
| Zx | 7.63 in³ | 125,000.00 mm³ |
| Zy | 7.63 in³ | 125,000.00 mm³ |
| rx | 1.85 in | 46.90 mm |
| ry | 1.85 in | 46.90 mm |
| J | 31.23 in⁴ | 13,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus CHS 139.7×7.1.
Lighter in Circular hollow sections
CHS 101.6×10
- Weight
- 22.6 kg/m (-2.6%)
- Depth
- — mm
- Ix
- 3,050,000 mm⁴ (-53%)
Heavier in Circular hollow sections
CHS 193.7×5
- Weight
- 23.3 kg/m (+0.4%)
- Depth
- — mm
- Ix
- 13,200,000 mm⁴ (+102%)
Closest Iₓ in Circular hollow sections
CHS 139.7×6.3
- Weight
- 20.7 kg/m (-11%)
- Depth
- — mm
- Ix
- 5,890,000 mm⁴ (-9.7%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology