Steel Beam Sizes / Europe / RHS / RHS 90×50×7.1
RHS 90×50×7.1 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 90×50×7.1 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 | 9.14 lb/ft | 13.60 kg/m |
| Height | 3.54 in | 90.00 mm |
| Width | 1.97 in | 50.00 mm |
| t | 0.280 in | 7.100 mm |
| Area | 2.68 in² | 1,730.00 mm² |
| Ix | 3.89 in⁴ | 1,620,000 mm⁴ |
| Iy | 1.46 in⁴ | 609,000.00 mm⁴ |
| Sx | 2.20 in³ | 36,000.00 mm³ |
| Sy | 1.49 in³ | 24,400.00 mm³ |
| Zx | 2.88 in³ | 47,200.00 mm³ |
| Zy | 1.86 in³ | 30,500.00 mm³ |
| rx | 1.20 in | 30.60 mm |
| ry | 0.74 in | 18.80 mm |
| J | 3.58 in⁴ | 1,490,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 90×50×7.1.
Lighter in Rectangular hollow sections
RHS 100×50×6.3
- Weight
- 13.3 kg/m (-2.2%)
- Depth
- 100.0 mm (+11%)
- Ix
- 1,970,000 mm⁴ (+22%)
Heavier in Rectangular hollow sections
RHS 100×60×6.3
- Weight
- 14.2 kg/m (+4.4%)
- Depth
- 100.0 mm (+11%)
- Ix
- 2,250,000 mm⁴ (+39%)
Closest Iₓ in Rectangular hollow sections
RHS 100×60×4
- Weight
- 9.4 kg/m (-31%)
- Depth
- 100.0 mm (+11%)
- Ix
- 1,580,000 mm⁴ (-2.5%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology