Steel Beam Sizes / Europe / CHS / CHS 21.3×3.2
CHS 21.3×3.2 Steel Beam Dimensions and Properties
EN Circular hollow sections · v2026.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
CHS 21.3×3.2 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 | 0.96 lb/ft | 1.43 kg/m |
| OD | 0.839 in | 21.300 mm |
| t | 0.126 in | 3.200 mm |
| Area | 0.28 in² | 182.00 mm² |
| Ix | 0.02 in⁴ | 7,680.00 mm⁴ |
| Iy | 0.02 in⁴ | 7,680.00 mm⁴ |
| Sx | 0.04 in³ | 722.00 mm³ |
| Sy | 0.04 in³ | 722.00 mm³ |
| Zx | 0.06 in³ | 1,060.00 mm³ |
| Zy | 0.06 in³ | 1,060.00 mm³ |
| rx | 0.26 in | 6.50 mm |
| ry | 0.26 in | 6.50 mm |
| J | 0.04 in⁴ | 15,400.00 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus CHS 21.3×3.2.
Lighter in Circular hollow sections
CHS 21.3×2.9
- Weight
- 1.3 kg/m (-7.7%)
- Depth
- — mm
- Ix
- 7,270 mm⁴ (-5.3%)
Heavier in Circular hollow sections
CHS 26.9×2.6
- Weight
- 1.6 kg/m (+9.1%)
- Depth
- — mm
- Ix
- 14,800 mm⁴ (+93%)
Closest Iₓ in Circular hollow sections
CHS 21.3×2.6
- Weight
- 1.2 kg/m (-16%)
- Depth
- — mm
- Ix
- 6,810 mm⁴ (-11%)
Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology