Steel Beam Sizes / Australia / CHS / 42×4.0 CHS
42×4.0 CHS Steel Beam Dimensions and Properties
ASNZS Circular hollow sections · v2019.11
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
42×4.0 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 | 2.55 lb/ft | 3.79 kg/m |
| OD | 1.669 in | 42.400 mm |
| t | 0.157 in | 4.000 mm |
| Area | 0.75 in² | 483.00 mm² |
| Ix | 0.22 in⁴ | 89,900.00 mm⁴ |
| Iy | 0.22 in⁴ | 89,900.00 mm⁴ |
| Sx | 0.26 in³ | 4,240.57 mm³ |
| Sy | 0.26 in³ | 4,240.57 mm³ |
| Zx | 0.36 in³ | 5,920.00 mm³ |
| Zy | 0.36 in³ | 5,920.00 mm³ |
| rx | 0.54 in | 13.64 mm |
| ry | 0.54 in | 13.64 mm |
| J | 0.43 in⁴ | 180,000.00 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 42×4.0 CHS.
Lighter in Circular hollow sections
48×3.2 CHS
- Weight
- 3.6 kg/m (-6.2%)
- Depth
- — mm
- Ix
- 116,000 mm⁴ (+29%)
Heavier in Circular hollow sections
60×2.9 CHS
- Weight
- 4.1 kg/m (+8.3%)
- Depth
- — mm
- Ix
- 216,000 mm⁴ (+140%)
Closest Iₓ in Circular hollow sections
48×2.3 CHS
- Weight
- 2.6 kg/m (-31%)
- Depth
- — mm
- Ix
- 88,100 mm⁴ (-2.0%)
Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology