Steel Beam Sizes / Europe / RHS / RHS 90×50×8.8
RHS 90×50×8.8 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 90×50×8.8 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 | 10.95 lb/ft | 16.30 kg/m |
| Height | 3.54 in | 90.00 mm |
| Width | 1.97 in | 50.00 mm |
| t | 0.346 in | 8.800 mm |
| Area | 3.21 in² | 2,070.00 mm² |
| Ix | 4.40 in⁴ | 1,830,000 mm⁴ |
| Iy | 1.61 in⁴ | 672,000.00 mm⁴ |
| Sx | 2.48 in³ | 40,600.00 mm³ |
| Sy | 1.64 in³ | 26,900.00 mm³ |
| Zx | 3.34 in³ | 54,800.00 mm³ |
| Zy | 2.13 in³ | 34,900.00 mm³ |
| rx | 1.17 in | 29.70 mm |
| ry | 0.71 in | 18.00 mm |
| J | 4.06 in⁴ | 1,690,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 90×50×8.8.
Lighter in Rectangular hollow sections
RHS 120×60×6.3
- Weight
- 16.2 kg/m (-0.6%)
- Depth
- 120.0 mm (+33%)
- Ix
- 3,580,000 mm⁴ (+96%)
Heavier in Rectangular hollow sections
RHS 180×100×4
- Weight
- 16.9 kg/m (+3.7%)
- Depth
- 180.0 mm (+100%)
- Ix
- 9,450,000 mm⁴ (+416%)
Closest Iₓ in Rectangular hollow sections
RHS 100×50×5.6
- Weight
- 11.9 kg/m (-27%)
- Depth
- 100.0 mm (+11%)
- Ix
- 1,810,000 mm⁴ (-1.1%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology