Steel Beam Sizes / Europe / RHS / RHS 350×250×16
RHS 350×250×16 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 350×250×16 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 | 94.75 lb/ft | 141.00 kg/m |
| Height | 13.78 in | 350.00 mm |
| Width | 9.84 in | 250.00 mm |
| t | 0.630 in | 16.000 mm |
| Area | 27.75 in² | 17,900.00 mm² |
| Ix | 720.75 in⁴ | 300,000,000 mm⁴ |
| Iy | 425.24 in⁴ | 177,000,000 mm⁴ |
| Sx | 104.96 in³ | 1,720,000 mm³ |
| Sy | 86.04 in³ | 1,410,000 mm³ |
| Zx | 128.15 in³ | 2,100,000 mm³ |
| Zy | 101.30 in³ | 1,660,000 mm³ |
| rx | 5.08 in | 129.00 mm |
| ry | 3.91 in | 99.30 mm |
| J | 848.09 in⁴ | 353,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 350×250×16.
Lighter in Rectangular hollow sections
RHS 500×300×11
- Weight
- 133.0 kg/m (-5.7%)
- Depth
- 500.0 mm (+43%)
- Ix
- 586,000,000 mm⁴ (+95%)
Heavier in Rectangular hollow sections
RHS 400×300×14.2
- Weight
- 148.0 kg/m (+5.0%)
- Depth
- 400.0 mm (+14%)
- Ix
- 430,000,000 mm⁴ (+43%)
Closest Iₓ in Rectangular hollow sections
RHS 450×250×8
- Weight
- 85.4 kg/m (-39%)
- Depth
- 450.0 mm (+29%)
- Ix
- 301,000,000 mm⁴ (+0.3%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology