Steel Beam Sizes / Europe / RHS / RHS 400×150×10
RHS 400×150×10 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 400×150×10 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 | 15.75 in | 400.00 mm |
| Width | 5.91 in | 150.00 mm |
| t | 0.394 in | 10.000 mm |
| Area | 16.28 in² | 10,500.00 mm² |
| Ix | 482.90 in⁴ | 201,000,000 mm⁴ |
| Iy | 101.63 in⁴ | 42,300,000 mm⁴ |
| Sx | 61.63 in³ | 1,010,000 mm³ |
| Sy | 34.42 in³ | 564,000.00 mm³ |
| Zx | 78.11 in³ | 1,280,000 mm³ |
| Zy | 38.81 in³ | 636,000.00 mm³ |
| rx | 5.43 in | 138.00 mm |
| ry | 2.50 in | 63.50 mm |
| J | 276.29 in⁴ | 115,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 400×150×10.
Lighter in Rectangular hollow sections
RHS 300×200×11
- Weight
- 81.5 kg/m (-1.1%)
- Depth
- 300.0 mm (-25%)
- Ix
- 128,000,000 mm⁴ (-36%)
Heavier in Rectangular hollow sections
RHS 400×300×8
- Weight
- 85.4 kg/m (+3.6%)
- Depth
- 400.0 mm (0.0%)
- Ix
- 257,000,000 mm⁴ (+28%)
Closest Iₓ in Rectangular hollow sections
RHS 350×250×10
- Weight
- 90.2 kg/m (+9.5%)
- Depth
- 350.0 mm (-12%)
- Ix
- 201,000,000 mm⁴ (0.0%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology