Steel Beam Sizes / Europe / RHS / RHS 260×140×12.5
RHS 260×140×12.5 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 260×140×12.5 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 | 48.58 lb/ft | 72.30 kg/m |
| Height | 10.24 in | 260.00 mm |
| Width | 5.51 in | 140.00 mm |
| t | 0.492 in | 12.500 mm |
| Area | 14.28 in² | 9,210.00 mm² |
| Ix | 186.67 in⁴ | 77,700,000 mm⁴ |
| Iy | 69.19 in⁴ | 28,800,000 mm⁴ |
| Sx | 36.43 in³ | 597,000.00 mm³ |
| Sy | 25.08 in³ | 411,000.00 mm³ |
| Zx | 46.13 in³ | 756,000.00 mm³ |
| Zy | 29.60 in³ | 485,000.00 mm³ |
| rx | 3.61 in | 91.80 mm |
| ry | 2.20 in | 55.90 mm |
| J | 164.33 in⁴ | 68,400,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 260×140×12.5.
Lighter in Rectangular hollow sections
RHS 260×180×11
- Weight
- 71.2 kg/m (-1.5%)
- Depth
- 260.0 mm (0.0%)
- Ix
- 83,800,000 mm⁴ (+7.9%)
Heavier in Rectangular hollow sections
RHS 350×250×8
- Weight
- 72.8 kg/m (+0.7%)
- Depth
- 350.0 mm (+35%)
- Ix
- 164,000,000 mm⁴ (+111%)
Closest Iₓ in Rectangular hollow sections
RHS 260×180×10
- Weight
- 65.1 kg/m (-10.0%)
- Depth
- 260.0 mm (0.0%)
- Ix
- 77,400,000 mm⁴ (-0.4%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology