Steel Beam Sizes / Europe / RHS / RHS 400×150×16
RHS 400×150×16 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 400×150×16 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 | 86.01 lb/ft | 128.00 kg/m |
| Height | 15.75 in | 400.00 mm |
| Width | 5.91 in | 150.00 mm |
| t | 0.630 in | 16.000 mm |
| Area | 25.27 in² | 16,300.00 mm² |
| Ix | 715.95 in⁴ | 298,000,000 mm⁴ |
| Iy | 145.11 in⁴ | 60,400,000 mm⁴ |
| Sx | 90.93 in³ | 1,490,000 mm³ |
| Sy | 49.12 in³ | 805,000.00 mm³ |
| Zx | 119.00 in³ | 1,950,000 mm³ |
| Zy | 57.79 in³ | 947,000.00 mm³ |
| rx | 5.31 in | 135.00 mm |
| ry | 2.40 in | 60.90 mm |
| J | 403.62 in⁴ | 168,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 400×150×16.
Lighter in Rectangular hollow sections
RHS 350×250×14.2
- Weight
- 126.0 kg/m (-1.6%)
- Depth
- 350.0 mm (-12%)
- Ix
- 272,000,000 mm⁴ (-8.7%)
Heavier in Rectangular hollow sections
RHS 400×300×12.5
- Weight
- 131.0 kg/m (+2.3%)
- Depth
- 400.0 mm (0.0%)
- Ix
- 385,000,000 mm⁴ (+29%)
Closest Iₓ in Rectangular hollow sections
RHS 350×250×16
- Weight
- 141.0 kg/m (+10%)
- Depth
- 350.0 mm (-12%)
- Ix
- 300,000,000 mm⁴ (+0.7%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology