Steel Beam Sizes / UK / RHS / RHS 350×250×8.8
RHS 350×250×8.8 Dimensions, Weight and Section Properties
UK Rectangular hollow sections · v2023.11
RHS 350×250×8.8: 79.8 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
RHS 350×250×8.8 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 | 53.62 lb/ft | 79.80 kg/m |
| Height | 13.78 in | 350.00 mm |
| Width | 9.84 in | 250.00 mm |
| t | 0.346 in | 8.800 mm |
| Area | 15.81 in² | 10,200.00 mm² |
| Ix | 430.05 in⁴ | 179,000,000 mm⁴ |
| Iy | 257.07 in⁴ | 107,000,000 mm⁴ |
| Sx | 62.24 in³ | 1,020,000 mm³ |
| Sy | 52.05 in³ | 853,000.00 mm³ |
| Zx | 74.45 in³ | 1,220,000 mm³ |
| Zy | 59.19 in³ | 970,000.00 mm³ |
| rx | 5.24 in | 133.00 mm |
| ry | 4.02 in | 102.00 mm |
| J | 499.72 in⁴ | 208,000,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus RHS 350×250×8.8.
Lighter in Rectangular hollow sections
RHS 200×150×16
- Weight
- 77.7 kg/m (-2.6%)
- Depth
- 200.0 mm (-43%)
- Ix
- 50,400,000 mm⁴ (-72%)
Heavier in Rectangular hollow sections
RHS 260×180×12.5
- Weight
- 80.1 kg/m (+0.4%)
- Depth
- 260.0 mm (-26%)
- Ix
- 93,000,000 mm⁴ (-48%)
Another Iₓ option in Rectangular hollow sections
RHS 400×150×8.8
- Weight
- 72.9 kg/m (-8.6%)
- Depth
- 400.0 mm (+14%)
- Ix
- 180,000,000 mm⁴ (+0.6%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology