Steel Beam Sizes / Australia / CHS / 21×3.2 CHS
21×3.2 CHS Dimensions, Weight and Section Properties
ASNZS Circular hollow sections · v2019.11
21×3.2 CHS: 1.429 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
21×3.2 CHS 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 | 721.13 mm³ |
| Sy | 0.04 in³ | 721.13 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
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus 21×3.2 CHS.
Lighter in Circular hollow sections
27×2.3 CHS
- Weight
- 1.4 kg/m (-2.2%)
- Depth
- — mm
- Ix
- 13,600 mm⁴ (+77%)
Heavier in Circular hollow sections
27×2.6 CHS
- Weight
- 1.6 kg/m (+8.8%)
- Depth
- — mm
- Ix
- 14,800 mm⁴ (+93%)
Another Iₓ option in Circular hollow sections
21×3.6 CHS
- Weight
- 1.6 kg/m (+9.9%)
- Depth
- — mm
- Ix
- 8,160 mm⁴ (+6.2%)
Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology