Steel Beam Sizes / Europe / RHS / RHS 300×250×10
RHS 300×250×10 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 300×250×10 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 | 55.37 lb/ft | 82.40 kg/m |
| Height | 11.81 in | 300.00 mm |
| Width | 9.84 in | 250.00 mm |
| t | 0.394 in | 10.000 mm |
| Area | 16.28 in² | 10,500.00 mm² |
| Ix | 333.95 in⁴ | 139,000,000 mm⁴ |
| Iy | 252.26 in⁴ | 105,000,000 mm⁴ |
| Sx | 56.63 in³ | 928,000.00 mm³ |
| Sy | 51.26 in³ | 840,000.00 mm³ |
| Zx | 67.13 in³ | 1,100,000 mm³ |
| Zy | 59.25 in³ | 971,000.00 mm³ |
| rx | 4.53 in | 115.00 mm |
| ry | 3.94 in | 100.00 mm |
| J | 446.87 in⁴ | 186,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 300×250×10.
Lighter in Rectangular hollow sections
RHS 300×200×11
- Weight
- 81.5 kg/m (-1.1%)
- Depth
- 300.0 mm (0.0%)
- Ix
- 128,000,000 mm⁴ (-7.9%)
Heavier in Rectangular hollow sections
RHS 400×300×8
- Weight
- 85.4 kg/m (+3.6%)
- Depth
- 400.0 mm (+33%)
- Ix
- 257,000,000 mm⁴ (+85%)
Closest Iₓ in Rectangular hollow sections
RHS 350×200×8
- Weight
- 66.5 kg/m (-19%)
- Depth
- 350.0 mm (+17%)
- Ix
- 141,000,000 mm⁴ (+1.4%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology