Steel Beam Sizes / UK / SHS / SHS 300×300×7.1
SHS 300×300×7.1 Dimensions, Weight and Section Properties
UK Square hollow sections · v2023.11
SHS 300×300×7.1: 64.9 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
SHS 300×300×7.1 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 | 43.61 lb/ft | 64.90 kg/m |
| Height | 11.81 in | 300.00 mm |
| Width | 11.81 in | 300.00 mm |
| t | 0.280 in | 7.100 mm |
| Area | 12.80 in² | 8,260.00 mm² |
| Ix | 283.50 in⁴ | 118,000,000 mm⁴ |
| Iy | 283.50 in⁴ | 118,000,000 mm⁴ |
| Sx | 47.90 in³ | 785,000.00 mm³ |
| Sy | 47.90 in³ | 785,000.00 mm³ |
| Zx | 55.29 in³ | 906,000.00 mm³ |
| Zy | 55.29 in³ | 906,000.00 mm³ |
| rx | 4.69 in | 119.00 mm |
| ry | 4.69 in | 119.00 mm |
| J | 434.85 in⁴ | 181,000,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus SHS 300×300×7.1.
Lighter in Square hollow sections
SHS 180×180×12.5
- Weight
- 64.4 kg/m (-0.8%)
- Depth
- 180.0 mm (-40%)
- Ix
- 37,900,000 mm⁴ (-68%)
Heavier in Square hollow sections
SHS 220×220×10
- Weight
- 65.1 kg/m (+0.3%)
- Depth
- 220.0 mm (-27%)
- Ix
- 60,500,000 mm⁴ (-49%)
Another Iₓ option in Square hollow sections
SHS 250×250×14.2
- Weight
- 103.0 kg/m (+59%)
- Depth
- 250.0 mm (-17%)
- Ix
- 121,000,000 mm⁴ (+2.5%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology