Steel Beam Sizes / UK / RHS / RHS 400×300×10
RHS 400×300×10 Dimensions, Weight and Section Properties
UK Rectangular hollow sections · v2023.11
RHS 400×300×10: 106 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
RHS 400×300×10 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 | 71.23 lb/ft | 106.00 kg/m |
| Height | 15.75 in | 400.00 mm |
| Width | 11.81 in | 300.00 mm |
| t | 0.394 in | 10.000 mm |
| Area | 20.93 in² | 13,500.00 mm² |
| Ix | 756.79 in⁴ | 315,000,000 mm⁴ |
| Iy | 485.31 in⁴ | 202,000,000 mm⁴ |
| Sx | 96.42 in³ | 1,580,000 mm³ |
| Sy | 82.38 in³ | 1,350,000 mm³ |
| Zx | 114.11 in³ | 1,870,000 mm³ |
| Zy | 93.98 in³ | 1,540,000 mm³ |
| rx | 6.02 in | 153.00 mm |
| ry | 4.80 in | 122.00 mm |
| J | 917.76 in⁴ | 382,000,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus RHS 400×300×10.
Lighter in Rectangular hollow sections
RHS 300×200×14.2
- Weight
- 103.0 kg/m (-2.8%)
- Depth
- 300.0 mm (-25%)
- Ix
- 158,000,000 mm⁴ (-50%)
Heavier in Rectangular hollow sections
RHS 500×300×8.8
- Weight
- 107.0 kg/m (+0.9%)
- Depth
- 500.0 mm (+25%)
- Ix
- 478,000,000 mm⁴ (+52%)
Another Iₓ option in Rectangular hollow sections
RHS 400×200×14.2
- Weight
- 126.0 kg/m (+19%)
- Depth
- 400.0 mm (0.0%)
- Ix
- 324,000,000 mm⁴ (+2.9%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology