Steel Beam Sizes / Europe / RHS / RHS 200×100×4
RHS 200×100×4 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 200×100×4 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 | 12.23 lb/ft | 18.20 kg/m |
| Height | 7.87 in | 200.00 mm |
| Width | 3.94 in | 100.00 mm |
| t | 0.157 in | 4.000 mm |
| Area | 3.60 in² | 2,320.00 mm² |
| Ix | 29.31 in⁴ | 12,200,000 mm⁴ |
| Iy | 9.99 in⁴ | 4,160,000 mm⁴ |
| Sx | 7.44 in³ | 122,000.00 mm³ |
| Sy | 5.08 in³ | 83,200.00 mm³ |
| Zx | 9.15 in³ | 150,000.00 mm³ |
| Zy | 5.66 in³ | 92,800.00 mm³ |
| rx | 2.86 in | 72.60 mm |
| ry | 1.67 in | 42.40 mm |
| J | 23.62 in⁴ | 9,830,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 200×100×4.
Lighter in Rectangular hollow sections
RHS 120×60×7.1
- Weight
- 18.1 kg/m (-0.5%)
- Depth
- 120.0 mm (-40%)
- Ix
- 3,910,000 mm⁴ (-68%)
Heavier in Rectangular hollow sections
RHS 150×100×5
- Weight
- 18.6 kg/m (+2.2%)
- Depth
- 150.0 mm (-25%)
- Ix
- 7,390,000 mm⁴ (-39%)
Closest Iₓ in Rectangular hollow sections
RHS 180×60×8
- Weight
- 27.6 kg/m (+52%)
- Depth
- 180.0 mm (-10%)
- Ix
- 12,400,000 mm⁴ (+1.6%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology