Steel Beam Sizes / Europe / RHS / RHS 200×120×5.6
RHS 200×120×5.6 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 200×120×5.6 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 | 18.08 lb/ft | 26.90 kg/m |
| Height | 7.87 in | 200.00 mm |
| Width | 4.72 in | 120.00 mm |
| t | 0.220 in | 5.600 mm |
| Area | 5.30 in² | 3,420.00 mm² |
| Ix | 44.69 in⁴ | 18,600,000 mm⁴ |
| Iy | 20.21 in⁴ | 8,410,000 mm⁴ |
| Sx | 11.35 in³ | 186,000.00 mm³ |
| Sy | 8.54 in³ | 140,000.00 mm³ |
| Zx | 13.85 in³ | 227,000.00 mm³ |
| Zy | 9.70 in³ | 159,000.00 mm³ |
| rx | 2.91 in | 73.80 mm |
| ry | 1.95 in | 49.50 mm |
| J | 43.97 in⁴ | 18,300,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 200×120×5.6.
Lighter in Rectangular hollow sections
RHS 200×150×5
- Weight
- 26.5 kg/m (-1.5%)
- Depth
- 200.0 mm (0.0%)
- Ix
- 19,700,000 mm⁴ (+5.9%)
Heavier in Rectangular hollow sections
RHS 120×80×10
- Weight
- 27.4 kg/m (+1.9%)
- Depth
- 120.0 mm (-40%)
- Ix
- 6,090,000 mm⁴ (-67%)
Closest Iₓ in Rectangular hollow sections
RHS 180×100×8.8
- Weight
- 35.6 kg/m (+32%)
- Depth
- 180.0 mm (-10%)
- Ix
- 18,500,000 mm⁴ (-0.5%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology