Steel Beam Sizes / Europe / RHS / RHS 450×150×11
RHS 450×150×11 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 450×150×11 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 | 66.39 lb/ft | 98.80 kg/m |
| Height | 17.72 in | 450.00 mm |
| Width | 5.91 in | 150.00 mm |
| t | 0.433 in | 11.000 mm |
| Area | 19.53 in² | 12,600.00 mm² |
| Ix | 711.14 in⁴ | 296,000,000 mm⁴ |
| Iy | 122.53 in⁴ | 51,000,000 mm⁴ |
| Sx | 80.55 in³ | 1,320,000 mm³ |
| Sy | 41.50 in³ | 680,000.00 mm³ |
| Zx | 103.74 in³ | 1,700,000 mm³ |
| Zy | 46.87 in³ | 768,000.00 mm³ |
| rx | 6.02 in | 153.00 mm |
| ry | 2.50 in | 63.60 mm |
| J | 345.96 in⁴ | 144,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 450×150×11.
Lighter in Rectangular hollow sections
RHS 500×300×8
- Weight
- 97.9 kg/m (-0.9%)
- Depth
- 500.0 mm (+11%)
- Ix
- 437,000,000 mm⁴ (+48%)
Heavier in Rectangular hollow sections
RHS 260×180×16
- Weight
- 100.0 kg/m (+1.2%)
- Depth
- 260.0 mm (-42%)
- Ix
- 112,000,000 mm⁴ (-62%)
Closest Iₓ in Rectangular hollow sections
RHS 400×150×16
- Weight
- 128.0 kg/m (+30%)
- Depth
- 400.0 mm (-11%)
- Ix
- 298,000,000 mm⁴ (+0.7%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology