Steel Beam Sizes / Europe / RHS / RHS 200×120×8
RHS 200×120×8 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 200×120×8 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 | 25.27 lb/ft | 37.60 kg/m |
| Height | 7.87 in | 200.00 mm |
| Width | 4.72 in | 120.00 mm |
| t | 0.315 in | 8.000 mm |
| Area | 7.44 in² | 4,800.00 mm² |
| Ix | 60.78 in⁴ | 25,300,000 mm⁴ |
| Iy | 27.15 in⁴ | 11,300,000 mm⁴ |
| Sx | 15.44 in³ | 253,000.00 mm³ |
| Sy | 11.47 in³ | 188,000.00 mm³ |
| Zx | 19.10 in³ | 313,000.00 mm³ |
| Zy | 13.30 in³ | 218,000.00 mm³ |
| rx | 2.86 in | 72.60 mm |
| ry | 1.91 in | 48.50 mm |
| J | 60.06 in⁴ | 25,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 200×120×8.
Lighter in Rectangular hollow sections
RHS 200×150×7.1
- Weight
- 37.0 kg/m (-1.6%)
- Depth
- 200.0 mm (0.0%)
- Ix
- 26,800,000 mm⁴ (+5.9%)
Heavier in Rectangular hollow sections
RHS 250×150×6.3
- Weight
- 38.0 kg/m (+1.1%)
- Depth
- 250.0 mm (+25%)
- Ix
- 41,400,000 mm⁴ (+64%)
Closest Iₓ in Rectangular hollow sections
RHS 180×100×14.2
- Weight
- 54.4 kg/m (+45%)
- Depth
- 180.0 mm (-10%)
- Ix
- 25,900,000 mm⁴ (+2.4%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology