Steel Beam Sizes / UK / RHS / RHS 250×100×7.1
RHS 250×100×7.1 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 250×100×7.1 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 | 24.86 lb/ft | 37.00 kg/m |
| Height | 9.84 in | 250.00 mm |
| Width | 3.94 in | 100.00 mm |
| t | 0.280 in | 7.100 mm |
| Area | 7.30 in² | 4,710.00 mm² |
| Ix | 85.53 in⁴ | 35,600,000 mm⁴ |
| Iy | 19.87 in⁴ | 8,270,000 mm⁴ |
| Sx | 17.39 in³ | 285,000.00 mm³ |
| Sy | 10.07 in³ | 165,000.00 mm³ |
| Zx | 22.15 in³ | 363,000.00 mm³ |
| Zy | 11.47 in³ | 188,000.00 mm³ |
| rx | 3.42 in | 86.90 mm |
| ry | 1.65 in | 41.90 mm |
| J | 52.86 in⁴ | 22,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 250×100×7.1.
Lighter in Rectangular hollow sections
RHS 160×80×11
- Weight
- 36.6 kg/m (-1.1%)
- Depth
- 160.0 mm (-36%)
- Ix
- 13,700,000 mm⁴ (-62%)
Heavier in Rectangular hollow sections
RHS 200×120×8
- Weight
- 37.6 kg/m (+1.6%)
- Depth
- 200.0 mm (-20%)
- Ix
- 25,300,000 mm⁴ (-29%)
Closest Iₓ in Rectangular hollow sections
RHS 200×150×10
- Weight
- 51.0 kg/m (+38%)
- Depth
- 200.0 mm (-20%)
- Ix
- 35,700,000 mm⁴ (+0.3%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology