SHS 80×80×3.2
Square hollow sections from Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Height | 80 mm | 3.1496 in |
| Width | 80 mm | 3.1496 in |
| Thickness, t | 3.2 mm | 0.125984 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 950,000 mm⁴ | 2.2824 in⁴ |
| Elastic modulus, Sₓ | 23,700 mm³ | 1.4463 in³ |
| Plastic modulus, Zₓ | 27,900 mm³ | 1.7026 in³ |
| Radius of gyration, rₓ | 31.3 mm | 1.2323 in |
| Distance to top fibre | 40 mm | 1.5748 in |
| Distance to bottom fibre | 40 mm | 1.5748 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 950,000 mm⁴ | 2.2824 in⁴ |
| Elastic modulus, S_y | 23,700 mm³ | 1.4463 in³ |
| Plastic modulus, Z_y | 27,900 mm³ | 1.7026 in³ |
| Radius of gyration, r_y | 31.3 mm | 1.2323 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1,480,000 mm⁴ | 3.5557 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 7.63 kg/m | 5.1271 lb/ft |