Steel Beam Sizes / Europe / RHS / RHS 400×200×8.8
RHS 400×200×8.8 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 400×200×8.8 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 | 53.62 lb/ft | 79.80 kg/m |
| Height | 15.75 in | 400.00 mm |
| Width | 7.87 in | 200.00 mm |
| t | 0.346 in | 8.800 mm |
| Area | 15.81 in² | 10,200.00 mm² |
| Ix | 511.73 in⁴ | 213,000,000 mm⁴ |
| Iy | 173.94 in⁴ | 72,400,000 mm⁴ |
| Sx | 65.30 in³ | 1,070,000 mm³ |
| Sy | 44.18 in³ | 724,000.00 mm³ |
| Zx | 80.55 in³ | 1,320,000 mm³ |
| Zy | 49.49 in³ | 811,000.00 mm³ |
| rx | 5.71 in | 145.00 mm |
| ry | 3.32 in | 84.40 mm |
| J | 413.23 in⁴ | 172,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 400×200×8.8.
Lighter in Rectangular hollow sections
RHS 200×150×16
- Weight
- 77.7 kg/m (-2.6%)
- Depth
- 200.0 mm (-50%)
- Ix
- 50,400,000 mm⁴ (-76%)
Heavier in Rectangular hollow sections
RHS 260×180×12.5
- Weight
- 80.1 kg/m (+0.4%)
- Depth
- 260.0 mm (-35%)
- Ix
- 93,000,000 mm⁴ (-56%)
Closest Iₓ in Rectangular hollow sections
RHS 350×150×16
- Weight
- 115.0 kg/m (+44%)
- Depth
- 350.0 mm (-12%)
- Ix
- 211,000,000 mm⁴ (-0.9%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology