Steel Beam Sizes / Australia / SHS / 40×2.5 SHS
40×2.5 SHS Steel Beam Dimensions and Properties
ASNZS Square hollow sections · v2019.11
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
40×2.5 SHS 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 | 1.89 lb/ft | 2.82 kg/m |
| Height | 1.57 in | 40.00 mm |
| Width | 1.57 in | 40.00 mm |
| t | 0.098 in | 2.500 mm |
| Area | 0.56 in² | 359.00 mm² |
| Ix | 0.20 in⁴ | 82,200.00 mm⁴ |
| Iy | 0.20 in⁴ | 82,200.00 mm⁴ |
| Sx | 0.25 in³ | 4,110.00 mm³ |
| Sy | 0.25 in³ | 4,110.00 mm³ |
| Zx | 0.30 in³ | 4,970.00 mm³ |
| Zy | 0.30 in³ | 4,970.00 mm³ |
| rx | 0.60 in | 15.13 mm |
| ry | 0.60 in | 15.13 mm |
| J | 0.33 in⁴ | 136,000.00 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 40×2.5 SHS.
Lighter in Square hollow sections
35×2.8 SHS
- Weight
- 2.7 kg/m (-5.3%)
- Depth
- 35.0 mm (-12%)
- Ix
- 57,000 mm⁴ (-31%)
Heavier in Square hollow sections
35×3.0 SHS
- Weight
- 2.8 kg/m (+0.6%)
- Depth
- 35.0 mm (-12%)
- Ix
- 59,500 mm⁴ (-28%)
Closest Iₓ in Square hollow sections
40×3.0 SHS
- Weight
- 3.3 kg/m (+17%)
- Depth
- 40.0 mm (0.0%)
- Ix
- 93,200 mm⁴ (+13%)
Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology