Steel Beam Sizes / UK / RHS / RHS 350×200×6.3
RHS 350×200×6.3 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 350×200×6.3 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 | 35.48 lb/ft | 52.80 kg/m |
| Height | 13.78 in | 350.00 mm |
| Width | 7.87 in | 200.00 mm |
| t | 0.248 in | 6.300 mm |
| Area | 10.43 in² | 6,730.00 mm² |
| Ix | 271.48 in⁴ | 113,000,000 mm⁴ |
| Iy | 114.84 in⁴ | 47,800,000 mm⁴ |
| Sx | 39.54 in³ | 648,000.00 mm³ |
| Sy | 29.17 in³ | 478,000.00 mm³ |
| Zx | 47.84 in³ | 784,000.00 mm³ |
| Zy | 32.53 in³ | 533,000.00 mm³ |
| rx | 5.12 in | 130.00 mm |
| ry | 3.32 in | 84.30 mm |
| J | 252.26 in⁴ | 105,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 350×200×6.3.
Lighter in Rectangular hollow sections
RHS 200×100×12.5
- Weight
- 52.7 kg/m (-0.2%)
- Depth
- 200.0 mm (-43%)
- Ix
- 31,400,000 mm⁴ (-72%)
Heavier in Rectangular hollow sections
RHS 300×200×7.1
- Weight
- 53.7 kg/m (+1.7%)
- Depth
- 300.0 mm (-14%)
- Ix
- 87,300,000 mm⁴ (-23%)
Closest Iₓ in Rectangular hollow sections
RHS 260×180×16
- Weight
- 100.0 kg/m (+89%)
- Depth
- 260.0 mm (-26%)
- Ix
- 112,000,000 mm⁴ (-0.9%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology