Steel Beam Sizes / Europe / RHS / RHS 90×50×5
RHS 90×50×5 Steel Beam Dimensions and Properties
EN Rectangular hollow sections · v2026.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
RHS 90×50×5 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 | 6.71 lb/ft | 9.99 kg/m |
| Height | 3.54 in | 90.00 mm |
| Width | 1.97 in | 50.00 mm |
| t | 0.197 in | 5.000 mm |
| Area | 1.97 in² | 1,270.00 mm² |
| Ix | 3.05 in⁴ | 1,270,000 mm⁴ |
| Iy | 1.18 in⁴ | 492,000.00 mm⁴ |
| Sx | 1.73 in³ | 28,300.00 mm³ |
| Sy | 1.20 in³ | 19,700.00 mm³ |
| Zx | 2.20 in³ | 36,000.00 mm³ |
| Zy | 1.43 in³ | 23,500.00 mm³ |
| rx | 1.24 in | 31.60 mm |
| ry | 0.78 in | 19.70 mm |
| J | 2.79 in⁴ | 1,160,000 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.
Lighter in Rectangular hollow sections
RHS 120×60×3.6
- Weight
- 9.7 kg/m (-3.3%)
- Depth
- 120.0 mm (+33%)
- Ix
- 2,270,000 mm⁴ (+79%)
Heavier in Rectangular hollow sections
RHS 60×40×8
- Weight
- 10.0 kg/m (+0.1%)
- Depth
- 60.0 mm (-33%)
- Ix
- 479,000 mm⁴ (-62%)
Closest Iₓ in Rectangular hollow sections
RHS 100×50×3.6
- Weight
- 8.0 kg/m (-20%)
- Depth
- 100.0 mm (+11%)
- Ix
- 1,280,000 mm⁴ (+0.8%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology