Steel Beam Sizes / Europe / RHS / RHS 260×180×8
RHS 260×180×8 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 260×180×8 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 | 35.41 lb/ft | 52.70 kg/m |
| Height | 10.24 in | 260.00 mm |
| Width | 7.09 in | 180.00 mm |
| t | 0.315 in | 8.000 mm |
| Area | 10.42 in² | 6,720.00 mm² |
| Ix | 153.52 in⁴ | 63,900,000 mm⁴ |
| Iy | 86.73 in⁴ | 36,100,000 mm⁴ |
| Sx | 30.02 in³ | 492,000.00 mm³ |
| Sy | 24.47 in³ | 401,000.00 mm³ |
| Zx | 36.13 in³ | 592,000.00 mm³ |
| Zy | 28.01 in³ | 459,000.00 mm³ |
| rx | 3.84 in | 97.50 mm |
| ry | 2.89 in | 73.30 mm |
| J | 173.46 in⁴ | 72,200,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 260×180×8.
Lighter in Rectangular hollow sections
RHS 250×150×8.8
- Weight
- 52.2 kg/m (-0.9%)
- Depth
- 250.0 mm (-3.8%)
- Ix
- 55,500,000 mm⁴ (-13%)
Heavier in Rectangular hollow sections
RHS 300×250×6.3
- Weight
- 52.8 kg/m (+0.2%)
- Depth
- 300.0 mm (+15%)
- Ix
- 91,900,000 mm⁴ (+44%)
Closest Iₓ in Rectangular hollow sections
RHS 300×200×5
- Weight
- 38.3 kg/m (-27%)
- Depth
- 300.0 mm (+15%)
- Ix
- 63,200,000 mm⁴ (-1.1%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology