Steel Beam Sizes / Europe / RHS / RHS 220×120×8
RHS 220×120×8 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 220×120×8 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 | 27.01 lb/ft | 40.20 kg/m |
| Height | 8.66 in | 220.00 mm |
| Width | 4.72 in | 120.00 mm |
| t | 0.315 in | 8.000 mm |
| Area | 7.94 in² | 5,120.00 mm² |
| Ix | 76.88 in⁴ | 32,000,000 mm⁴ |
| Iy | 29.55 in⁴ | 12,300,000 mm⁴ |
| Sx | 17.76 in³ | 291,000.00 mm³ |
| Sy | 12.51 in³ | 205,000.00 mm³ |
| Zx | 22.09 in³ | 362,000.00 mm³ |
| Zy | 14.40 in³ | 236,000.00 mm³ |
| rx | 3.11 in | 79.10 mm |
| ry | 1.93 in | 49.00 mm |
| J | 68.47 in⁴ | 28,500,000 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.
Lighter in Rectangular hollow sections
RHS 180×100×10
- Weight
- 40.0 kg/m (-0.5%)
- Depth
- 180.0 mm (-18%)
- Ix
- 20,400,000 mm⁴ (-36%)
Heavier in Rectangular hollow sections
RHS 160×80×12.5
- Weight
- 40.9 kg/m (+1.7%)
- Depth
- 160.0 mm (-27%)
- Ix
- 14,800,000 mm⁴ (-54%)
Closest Iₓ in Rectangular hollow sections
RHS 250×100×6.3
- Weight
- 33.0 kg/m (-18%)
- Depth
- 250.0 mm (+14%)
- Ix
- 32,100,000 mm⁴ (+0.3%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology