Steel Beam Sizes / UK / RHS / RHS 90×50×5.6
RHS 90×50×5.6 Steel Beam Dimensions and Properties
UK Rectangular hollow sections · v2023.11
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
RHS 90×50×5.6 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 | 7.46 lb/ft | 11.10 kg/m |
| Height | 3.54 in | 90.00 mm |
| Width | 1.97 in | 50.00 mm |
| t | 0.220 in | 5.600 mm |
| Area | 2.19 in² | 1,410.00 mm² |
| Ix | 3.32 in⁴ | 1,380,000 mm⁴ |
| Iy | 1.27 in⁴ | 530,000.00 mm⁴ |
| Sx | 1.87 in³ | 30,700.00 mm³ |
| Sy | 1.29 in³ | 21,200.00 mm³ |
| Zx | 2.40 in³ | 39,400.00 mm³ |
| Zy | 1.57 in³ | 25,700.00 mm³ |
| rx | 1.23 in | 31.30 mm |
| ry | 0.76 in | 19.40 mm |
| J | 3.05 in⁴ | 1,270,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 90×50×5.6.
Lighter in Rectangular hollow sections
RHS 100×50×5
- Weight
- 10.8 kg/m (-2.7%)
- Depth
- 100.0 mm (+11%)
- Ix
- 1,670,000 mm⁴ (+21%)
Heavier in Rectangular hollow sections
RHS 80×40×7.1
- Weight
- 11.4 kg/m (+2.7%)
- Depth
- 80.0 mm (-11%)
- Ix
- 998,000 mm⁴ (-28%)
Closest Iₓ in Rectangular hollow sections
RHS 100×50×4
- Weight
- 8.8 kg/m (-21%)
- Depth
- 100.0 mm (+11%)
- Ix
- 1,400,000 mm⁴ (+1.4%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology