Steel Beam Sizes / UK / SHS / SHS 300×300×12.5
SHS 300×300×12.5 Dimensions, Weight and Section Properties
UK Square hollow sections · v2023.11
SHS 300×300×12.5: 112 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
SHS 300×300×12.5 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 | 75.26 lb/ft | 112.00 kg/m |
| Height | 11.81 in | 300.00 mm |
| Width | 11.81 in | 300.00 mm |
| t | 0.492 in | 12.500 mm |
| Area | 22.01 in² | 14,200.00 mm² |
| Ix | 466.09 in⁴ | 194,000,000 mm⁴ |
| Iy | 466.09 in⁴ | 194,000,000 mm⁴ |
| Sx | 79.33 in³ | 1,300,000 mm³ |
| Sy | 79.33 in³ | 1,300,000 mm³ |
| Zx | 92.76 in³ | 1,520,000 mm³ |
| Zy | 92.76 in³ | 1,520,000 mm³ |
| rx | 4.61 in | 117.00 mm |
| ry | 4.61 in | 117.00 mm |
| J | 727.96 in⁴ | 303,000,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus SHS 300×300×12.5.
Lighter in Square hollow sections
SHS 260×260×14.2
- Weight
- 108.0 kg/m (-3.6%)
- Depth
- 260.0 mm (-13%)
- Ix
- 137,000,000 mm⁴ (-29%)
Heavier in Square hollow sections
SHS 250×250×16
- Weight
- 115.0 kg/m (+2.7%)
- Depth
- 250.0 mm (-17%)
- Ix
- 133,000,000 mm⁴ (-31%)
Another Iₓ option in Square hollow sections
SHS 350×350×8
- Weight
- 85.4 kg/m (-24%)
- Depth
- 350.0 mm (+17%)
- Ix
- 211,000,000 mm⁴ (+8.8%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology