Steel Beam Sizes / UK / SHS / SHS 400×400×8
SHS 400×400×8 Dimensions, Weight and Section Properties
UK Square hollow sections · v2023.11
SHS 400×400×8: 97.9 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
SHS 400×400×8 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 | 65.79 lb/ft | 97.90 kg/m |
| Height | 15.75 in | 400.00 mm |
| Width | 15.75 in | 400.00 mm |
| t | 0.315 in | 8.000 mm |
| Area | 19.38 in² | 12,500.00 mm² |
| Ix | 766.40 in⁴ | 319,000,000 mm⁴ |
| Iy | 766.40 in⁴ | 319,000,000 mm⁴ |
| Sx | 97.03 in³ | 1,590,000 mm³ |
| Sy | 97.03 in³ | 1,590,000 mm³ |
| Zx | 111.67 in³ | 1,830,000 mm³ |
| Zy | 111.67 in³ | 1,830,000 mm³ |
| rx | 6.30 in | 160.00 mm |
| ry | 6.30 in | 160.00 mm |
| J | 1,170.02 in⁴ | 487,000,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus SHS 400×400×8.
Lighter in Square hollow sections
SHS 260×260×12.5
- Weight
- 95.8 kg/m (-2.1%)
- Depth
- 260.0 mm (-35%)
- Ix
- 124,000,000 mm⁴ (-61%)
Heavier in Square hollow sections
SHS 300×300×11
- Weight
- 98.8 kg/m (+0.9%)
- Depth
- 300.0 mm (-25%)
- Ix
- 174,000,000 mm⁴ (-45%)
Another Iₓ option in Square hollow sections
SHS 350×350×12.5
- Weight
- 131.0 kg/m (+34%)
- Depth
- 350.0 mm (-12%)
- Ix
- 315,000,000 mm⁴ (-1.3%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology