SHS 40×40×3.6
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 | 40 mm | 1.5748 in |
| Width | 40 mm | 1.5748 in |
| Thickness, t | 3.6 mm | 0.141732 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 111,000 mm⁴ | 0.266679 in⁴ |
| Elastic modulus, Sₓ | 5,540 mm³ | 0.338072 in³ |
| Plastic modulus, Zₓ | 6,880 mm³ | 0.419843 in³ |
| Radius of gyration, rₓ | 14.7 mm | 0.57874 in |
| Distance to top fibre | 20 mm | 0.7874015 in |
| Distance to bottom fibre | 20 mm | 0.7874015 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 111,000 mm⁴ | 0.266679 in⁴ |
| Elastic modulus, S_y | 5,540 mm³ | 0.338072 in³ |
| Plastic modulus, Z_y | 6,880 mm³ | 0.419843 in³ |
| Radius of gyration, r_y | 14.7 mm | 0.57874 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 181,000 mm⁴ | 0.434854 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 4.01 kg/m | 2.6946 lb/ft |