Steel Beam Sizes / Europe / RHS / RHS 180×100×6.3
RHS 180×100×6.3 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 180×100×6.3 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 | 17.54 lb/ft | 26.10 kg/m |
| Height | 7.09 in | 180.00 mm |
| Width | 3.94 in | 100.00 mm |
| t | 0.248 in | 6.300 mm |
| Area | 5.16 in² | 3,330.00 mm² |
| Ix | 33.88 in⁴ | 14,100,000 mm⁴ |
| Iy | 13.38 in⁴ | 5,570,000 mm⁴ |
| Sx | 9.52 in³ | 156,000.00 mm³ |
| Sy | 6.77 in³ | 111,000.00 mm³ |
| Zx | 11.84 in³ | 194,000.00 mm³ |
| Zy | 7.81 in³ | 128,000.00 mm³ |
| rx | 2.56 in | 65.00 mm |
| ry | 1.61 in | 40.90 mm |
| J | 30.75 in⁴ | 12,800,000 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 180×100×6.3.
Lighter in Rectangular hollow sections
RHS 150×100×7.1
- Weight
- 25.9 kg/m (-0.8%)
- Depth
- 150.0 mm (-17%)
- Ix
- 9,900,000 mm⁴ (-30%)
Heavier in Rectangular hollow sections
RHS 200×150×5
- Weight
- 26.5 kg/m (+1.5%)
- Depth
- 200.0 mm (+11%)
- Ix
- 19,700,000 mm⁴ (+40%)
Closest Iₓ in Rectangular hollow sections
RHS 150×100×11
- Weight
- 38.4 kg/m (+47%)
- Depth
- 150.0 mm (-17%)
- Ix
- 13,700,000 mm⁴ (-2.8%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology