Steel Beam Sizes / Australia / CHS / 42×4.9 CHS
42×4.9 CHS Dimensions, Weight and Section Properties
ASNZS Circular hollow sections · v2019.11
42×4.9 CHS: 4.529 kg/m weight. View the full dimensions and properties in imperial and metric units below.
Need this steel supplied or fabricated?
Request project pricing for delivery in the United States or Canada.
Get a steel quote →Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
42×4.9 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 | 3.04 lb/ft | 4.53 kg/m |
| OD | 1.669 in | 42.400 mm |
| t | 0.193 in | 4.900 mm |
| Area | 0.89 in² | 577.00 mm² |
| Ix | 0.25 in⁴ | 103,000.00 mm⁴ |
| Iy | 0.25 in⁴ | 103,000.00 mm⁴ |
| Sx | 0.30 in³ | 4,858.49 mm³ |
| Sy | 0.30 in³ | 4,858.49 mm³ |
| Zx | 0.42 in³ | 6,930.00 mm³ |
| Zy | 0.42 in³ | 6,930.00 mm³ |
| rx | 0.53 in | 13.36 mm |
| ry | 0.53 in | 13.36 mm |
| J | 0.49 in⁴ | 206,000.00 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus 42×4.9 CHS.
Lighter in Circular hollow sections
48×4.0 CHS
- Weight
- 4.4 kg/m (-3.5%)
- Depth
- — mm
- Ix
- 138,000 mm⁴ (+34%)
Heavier in Circular hollow sections
60×3.6 CHS
- Weight
- 5.0 kg/m (+11%)
- Depth
- — mm
- Ix
- 259,000 mm⁴ (+151%)
Another Iₓ option in Circular hollow sections
48×2.9 CHS
- Weight
- 3.2 kg/m (-28%)
- Depth
- — mm
- Ix
- 107,000 mm⁴ (+3.9%)
Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology