Steel Beam Sizes / Europe / RHS / RHS 350×150×6.3
RHS 350×150×6.3 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 350×150×6.3 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 | 32.19 lb/ft | 47.90 kg/m |
| Height | 13.78 in | 350.00 mm |
| Width | 5.91 in | 150.00 mm |
| t | 0.248 in | 6.300 mm |
| Area | 9.46 in² | 6,100.00 mm² |
| Ix | 227.76 in⁴ | 94,800,000 mm⁴ |
| Iy | 60.54 in⁴ | 25,200,000 mm⁴ |
| Sx | 33.07 in³ | 542,000.00 mm³ |
| Sy | 20.57 in³ | 337,000.00 mm³ |
| Zx | 41.25 in³ | 676,000.00 mm³ |
| Zy | 22.76 in³ | 373,000.00 mm³ |
| rx | 4.92 in | 125.00 mm |
| ry | 2.53 in | 64.30 mm |
| J | 153.52 in⁴ | 63,900,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 350×150×6.3.
Lighter in Rectangular hollow sections
RHS 250×150×8
- Weight
- 47.7 kg/m (-0.4%)
- Depth
- 250.0 mm (-29%)
- Ix
- 51,100,000 mm⁴ (-46%)
Heavier in Rectangular hollow sections
RHS 180×100×12.5
- Weight
- 48.7 kg/m (+1.7%)
- Depth
- 180.0 mm (-49%)
- Ix
- 23,800,000 mm⁴ (-75%)
Closest Iₓ in Rectangular hollow sections
RHS 260×140×16
- Weight
- 90.3 kg/m (+89%)
- Depth
- 260.0 mm (-26%)
- Ix
- 93,400,000 mm⁴ (-1.5%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology