Steel Beam Sizes / Europe / RHS / RHS 90×50×8
RHS 90×50×8 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 90×50×8 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 | 10.08 lb/ft | 15.00 kg/m |
| Height | 3.54 in | 90.00 mm |
| Width | 1.97 in | 50.00 mm |
| t | 0.315 in | 8.000 mm |
| Area | 2.98 in² | 1,920.00 mm² |
| Ix | 4.18 in⁴ | 1,740,000 mm⁴ |
| Iy | 1.55 in⁴ | 646,000.00 mm⁴ |
| Sx | 2.36 in³ | 38,600.00 mm³ |
| Sy | 1.57 in³ | 25,800.00 mm³ |
| Zx | 3.14 in³ | 51,400.00 mm³ |
| Zy | 2.01 in³ | 32,900.00 mm³ |
| rx | 1.19 in | 30.10 mm |
| ry | 0.72 in | 18.40 mm |
| J | 3.84 in⁴ | 1,600,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 90×50×8.
Lighter in Rectangular hollow sections
RHS 100×50×7.1
- Weight
- 14.7 kg/m (-2.0%)
- Depth
- 100.0 mm (+11%)
- Ix
- 2,140,000 mm⁴ (+23%)
Heavier in Rectangular hollow sections
RHS 150×100×4
- Weight
- 15.1 kg/m (+0.7%)
- Depth
- 150.0 mm (+67%)
- Ix
- 6,070,000 mm⁴ (+249%)
Closest Iₓ in Rectangular hollow sections
RHS 100×50×5.6
- Weight
- 11.9 kg/m (-21%)
- Depth
- 100.0 mm (+11%)
- Ix
- 1,810,000 mm⁴ (+4.0%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology