Steel Beam Sizes / UK / RHS / RHS 450×150×8.8
RHS 450×150×8.8 Dimensions, Weight and Section Properties
UK Rectangular hollow sections · v2023.11
RHS 450×150×8.8: 79.8 kg/m weight. View the full dimensions and properties in imperial and metric units below.
Need this steel supplied or fabricated?
Request project pricing for delivery in the United States or Canada.
Get a steel quote →Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
RHS 450×150×8.8 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 | 53.62 lb/ft | 79.80 kg/m |
| Height | 17.72 in | 450.00 mm |
| Width | 5.91 in | 150.00 mm |
| t | 0.346 in | 8.800 mm |
| Area | 15.81 in² | 10,200.00 mm² |
| Ix | 583.81 in⁴ | 243,000,000 mm⁴ |
| Iy | 101.87 in⁴ | 42,400,000 mm⁴ |
| Sx | 65.91 in³ | 1,080,000 mm³ |
| Sy | 34.54 in³ | 566,000.00 mm³ |
| Zx | 84.82 in³ | 1,390,000 mm³ |
| Zy | 38.44 in³ | 630,000.00 mm³ |
| rx | 6.10 in | 155.00 mm |
| ry | 2.54 in | 64.60 mm |
| J | 285.90 in⁴ | 119,000,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus RHS 450×150×8.8.
Lighter in Rectangular hollow sections
RHS 200×150×16
- Weight
- 77.7 kg/m (-2.6%)
- Depth
- 200.0 mm (-56%)
- Ix
- 50,400,000 mm⁴ (-79%)
Heavier in Rectangular hollow sections
RHS 260×180×12.5
- Weight
- 80.1 kg/m (+0.4%)
- Depth
- 260.0 mm (-42%)
- Ix
- 93,000,000 mm⁴ (-62%)
Another Iₓ option in Rectangular hollow sections
RHS 350×250×12.5
- Weight
- 112.0 kg/m (+40%)
- Depth
- 350.0 mm (-22%)
- Ix
- 244,000,000 mm⁴ (+0.4%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology