Steel Beam Sizes / Europe / RHS / RHS 450×250×10
RHS 450×250×10 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 450×250×10 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 | 71.23 lb/ft | 106.00 kg/m |
| Height | 17.72 in | 450.00 mm |
| Width | 9.84 in | 250.00 mm |
| t | 0.394 in | 10.000 mm |
| Area | 20.93 in² | 13,500.00 mm² |
| Ix | 886.53 in⁴ | 369,000,000 mm⁴ |
| Iy | 355.57 in⁴ | 148,000,000 mm⁴ |
| Sx | 100.08 in³ | 1,640,000 mm³ |
| Sy | 72.01 in³ | 1,180,000 mm³ |
| Zx | 122.05 in³ | 2,000,000 mm³ |
| Zy | 81.16 in³ | 1,330,000 mm³ |
| rx | 6.50 in | 165.00 mm |
| ry | 4.13 in | 105.00 mm |
| J | 800.04 in⁴ | 333,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 450×250×10.
Lighter in Rectangular hollow sections
RHS 300×200×14.2
- Weight
- 103.0 kg/m (-2.8%)
- Depth
- 300.0 mm (-33%)
- Ix
- 158,000,000 mm⁴ (-57%)
Heavier in Rectangular hollow sections
RHS 500×300×8.8
- Weight
- 107.0 kg/m (+0.9%)
- Depth
- 500.0 mm (+11%)
- Ix
- 478,000,000 mm⁴ (+30%)
Closest Iₓ in Rectangular hollow sections
RHS 450×150×14.2
- Weight
- 126.0 kg/m (+19%)
- Depth
- 450.0 mm (0.0%)
- Ix
- 368,000,000 mm⁴ (-0.3%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology