SHS 80×80×10
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 | 10 mm | 0.393701 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 2,140,000 mm⁴ | 5.1414 in⁴ |
| Elastic modulus, Sₓ | 53,500 mm³ | 3.2648 in³ |
| Plastic modulus, Zₓ | 69,300 mm³ | 4.2289 in³ |
| Radius of gyration, rₓ | 28.2 mm | 1.1102 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 | 2,140,000 mm⁴ | 5.1414 in⁴ |
| Elastic modulus, S_y | 53,500 mm³ | 3.2648 in³ |
| Plastic modulus, Z_y | 69,300 mm³ | 4.2289 in³ |
| Radius of gyration, r_y | 28.2 mm | 1.1102 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 3,600,000 mm⁴ | 8.649 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 21.1 kg/m | 14.1785 lb/ft |