Steel Beam Sizes / UK / RHS / RHS 160×80×4
RHS 160×80×4 Dimensions, Weight and Section Properties
UK Rectangular hollow sections · v2023.11
RHS 160×80×4: 14.4 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
RHS 160×80×4 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 | 9.68 lb/ft | 14.40 kg/m |
| Height | 6.30 in | 160.00 mm |
| Width | 3.15 in | 80.00 mm |
| t | 0.157 in | 4.000 mm |
| Area | 2.85 in² | 1,840.00 mm² |
| Ix | 14.70 in⁴ | 6,120,000 mm⁴ |
| Iy | 4.97 in⁴ | 2,070,000 mm⁴ |
| Sx | 4.67 in³ | 76,500.00 mm³ |
| Sy | 3.15 in³ | 51,700.00 mm³ |
| Zx | 5.78 in³ | 94,700.00 mm³ |
| Zy | 3.56 in³ | 58,300.00 mm³ |
| rx | 2.27 in | 57.70 mm |
| ry | 1.32 in | 33.50 mm |
| J | 11.84 in⁴ | 4,930,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus RHS 160×80×4.
Lighter in Rectangular hollow sections
RHS 100×60×6.3
- Weight
- 14.2 kg/m (-1.4%)
- Depth
- 100.0 mm (-38%)
- Ix
- 2,250,000 mm⁴ (-63%)
Heavier in Rectangular hollow sections
RHS 120×60×5.6
- Weight
- 14.6 kg/m (+1.4%)
- Depth
- 120.0 mm (-25%)
- Ix
- 3,270,000 mm⁴ (-47%)
Another Iₓ option in Rectangular hollow sections
RHS 120×80×10
- Weight
- 27.4 kg/m (+90%)
- Depth
- 120.0 mm (-25%)
- Ix
- 6,090,000 mm⁴ (-0.5%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology