Steel Beam Sizes / UK / RHS / RHS 220×120×8.8
RHS 220×120×8.8 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 220×120×8.8 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 | 29.50 lb/ft | 43.90 kg/m |
| Height | 8.66 in | 220.00 mm |
| Width | 4.72 in | 120.00 mm |
| t | 0.346 in | 8.800 mm |
| Area | 8.66 in² | 5,590.00 mm² |
| Ix | 83.37 in⁴ | 34,700,000 mm⁴ |
| Iy | 31.71 in⁴ | 13,200,000 mm⁴ |
| Sx | 19.22 in³ | 315,000.00 mm³ |
| Sy | 13.49 in³ | 221,000.00 mm³ |
| Zx | 24.04 in³ | 394,000.00 mm³ |
| Zy | 15.62 in³ | 256,000.00 mm³ |
| rx | 3.10 in | 78.70 mm |
| ry | 1.92 in | 48.70 mm |
| J | 74.24 in⁴ | 30,900,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 220×120×8.8.
Lighter in Rectangular hollow sections
RHS 180×100×11
- Weight
- 43.5 kg/m (-0.9%)
- Depth
- 180.0 mm (-18%)
- Ix
- 21,800,000 mm⁴ (-37%)
Heavier in Rectangular hollow sections
RHS 200×150×8.8
- Weight
- 45.3 kg/m (+3.2%)
- Depth
- 200.0 mm (-9.1%)
- Ix
- 32,200,000 mm⁴ (-7.2%)
Closest Iₓ in Rectangular hollow sections
RHS 200×100×14.2
- Weight
- 58.9 kg/m (+34%)
- Depth
- 200.0 mm (-9.1%)
- Ix
- 34,200,000 mm⁴ (-1.4%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology