Steel Beam Sizes / Europe / RHS / RHS 400×200×6.3
RHS 400×200×6.3 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 400×200×6.3 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 | 38.84 lb/ft | 57.80 kg/m |
| Height | 15.75 in | 400.00 mm |
| Width | 7.87 in | 200.00 mm |
| t | 0.248 in | 6.300 mm |
| Area | 11.41 in² | 7,360.00 mm² |
| Ix | 377.19 in⁴ | 157,000,000 mm⁴ |
| Iy | 129.26 in⁴ | 53,800,000 mm⁴ |
| Sx | 47.90 in³ | 785,000.00 mm³ |
| Sy | 32.83 in³ | 538,000.00 mm³ |
| Zx | 58.58 in³ | 960,000.00 mm³ |
| Zy | 36.25 in³ | 594,000.00 mm³ |
| rx | 5.75 in | 146.00 mm |
| ry | 3.37 in | 85.50 mm |
| J | 302.72 in⁴ | 126,000,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 400×200×6.3.
Lighter in Rectangular hollow sections
RHS 260×180×8.8
- Weight
- 57.7 kg/m (-0.2%)
- Depth
- 260.0 mm (-35%)
- Ix
- 69,400,000 mm⁴ (-56%)
Heavier in Rectangular hollow sections
RHS 250×150×10
- Weight
- 58.8 kg/m (+1.7%)
- Depth
- 250.0 mm (-37%)
- Ix
- 61,700,000 mm⁴ (-61%)
Closest Iₓ in Rectangular hollow sections
RHS 300×200×14.2
- Weight
- 103.0 kg/m (+78%)
- Depth
- 300.0 mm (-25%)
- Ix
- 158,000,000 mm⁴ (+0.6%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology