Steel Beam Sizes / Europe / RHS / RHS 500×300×11
RHS 500×300×11 Steel Beam Dimensions and Properties
EN Rectangular hollow sections · v2026.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
RHS 500×300×11 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 | 89.37 lb/ft | 133.00 kg/m |
| Height | 19.69 in | 500.00 mm |
| Width | 11.81 in | 300.00 mm |
| t | 0.433 in | 11.000 mm |
| Area | 26.35 in² | 17,000.00 mm² |
| Ix | 1,407.87 in⁴ | 586,000,000 mm⁴ |
| Iy | 639.07 in⁴ | 266,000,000 mm⁴ |
| Sx | 143.41 in³ | 2,350,000 mm³ |
| Sy | 108.01 in³ | 1,770,000 mm³ |
| Zx | 173.31 in³ | 2,840,000 mm³ |
| Zy | 122.05 in³ | 2,000,000 mm³ |
| rx | 7.32 in | 186.00 mm |
| ry | 4.92 in | 125.00 mm |
| J | 1,376.64 in⁴ | 573,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 500×300×11.
Lighter in Rectangular hollow sections
RHS 400×300×12.5
- Weight
- 131.0 kg/m (-1.5%)
- Depth
- 400.0 mm (-20%)
- Ix
- 385,000,000 mm⁴ (-34%)
Heavier in Rectangular hollow sections
RHS 350×250×16
- Weight
- 141.0 kg/m (+6.0%)
- Depth
- 350.0 mm (-30%)
- Ix
- 300,000,000 mm⁴ (-49%)
Closest Iₓ in Rectangular hollow sections
RHS 500×200×14.2
- Weight
- 148.0 kg/m (+11%)
- Depth
- 500.0 mm (0.0%)
- Ix
- 569,000,000 mm⁴ (-2.9%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology