Steel Beam Sizes / UK / RHS / RHS 450×250×16
RHS 450×250×16 Steel Beam Dimensions and Properties
UK Rectangular hollow sections · v2023.11
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
RHS 450×250×16 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 | 111.55 lb/ft | 166.00 kg/m |
| Height | 17.72 in | 450.00 mm |
| Width | 9.84 in | 250.00 mm |
| t | 0.630 in | 16.000 mm |
| Area | 32.71 in² | 21,100.00 mm² |
| Ix | 1,338.20 in⁴ | 557,000,000 mm⁴ |
| Iy | 528.55 in⁴ | 220,000,000 mm⁴ |
| Sx | 151.34 in³ | 2,480,000 mm³ |
| Sy | 107.40 in³ | 1,760,000 mm³ |
| Zx | 187.34 in³ | 3,070,000 mm³ |
| Zy | 123.88 in³ | 2,030,000 mm³ |
| rx | 6.38 in | 162.00 mm |
| ry | 4.02 in | 102.00 mm |
| J | 1,213.27 in⁴ | 505,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 450×250×16.
Lighter in Rectangular hollow sections
RHS 500×300×12.5
- Weight
- 151.0 kg/m (-9.0%)
- Depth
- 500.0 mm (+11%)
- Ix
- 658,000,000 mm⁴ (+18%)
Heavier in Rectangular hollow sections
RHS 500×300×14.2
- Weight
- 170.0 kg/m (+2.4%)
- Depth
- 500.0 mm (+11%)
- Ix
- 737,000,000 mm⁴ (+32%)
Closest Iₓ in Rectangular hollow sections
RHS 500×200×14.2
- Weight
- 148.0 kg/m (-11%)
- Depth
- 500.0 mm (+11%)
- Ix
- 569,000,000 mm⁴ (+2.2%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology