Steel Beam Sizes / Europe / SHS / SHS 350×350×8
SHS 350×350×8 Steel Beam Dimensions and Properties
EN Square hollow sections · v2026.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
SHS 350×350×8 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 | 57.39 lb/ft | 85.40 kg/m |
| Height | 13.78 in | 350.00 mm |
| Width | 13.78 in | 350.00 mm |
| t | 0.315 in | 8.000 mm |
| Area | 16.90 in² | 10,900.00 mm² |
| Ix | 506.93 in⁴ | 211,000,000 mm⁴ |
| Iy | 506.93 in⁴ | 211,000,000 mm⁴ |
| Sx | 73.84 in³ | 1,210,000 mm³ |
| Sy | 73.84 in³ | 1,210,000 mm³ |
| Zx | 84.82 in³ | 1,390,000 mm³ |
| Zy | 84.82 in³ | 1,390,000 mm³ |
| rx | 5.47 in | 139.00 mm |
| ry | 5.47 in | 139.00 mm |
| J | 778.41 in⁴ | 324,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus SHS 350×350×8.
Lighter in Square hollow sections
SHS 260×260×11
- Weight
- 85.0 kg/m (-0.5%)
- Depth
- 260.0 mm (-26%)
- Ix
- 111,000,000 mm⁴ (-47%)
Heavier in Square hollow sections
SHS 220×220×14.2
- Weight
- 90.1 kg/m (+5.5%)
- Depth
- 220.0 mm (-37%)
- Ix
- 80,100,000 mm⁴ (-62%)
Closest Iₓ in Square hollow sections
SHS 300×300×14.2
- Weight
- 126.0 kg/m (+48%)
- Depth
- 300.0 mm (-14%)
- Ix
- 216,000,000 mm⁴ (+2.4%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology