SHS 40×40×5
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 | 5 mm | 0.19685 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 134,000 mm⁴ | 0.321936 in⁴ |
| Elastic modulus, Sₓ | 6,680 mm³ | 0.407639 in³ |
| Plastic modulus, Zₓ | 8,660 mm³ | 0.528466 in³ |
| Radius of gyration, rₓ | 14.1 mm | 0.555118 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 | 134,000 mm⁴ | 0.321936 in⁴ |
| Elastic modulus, S_y | 6,680 mm³ | 0.407639 in³ |
| Plastic modulus, Z_y | 8,660 mm³ | 0.528466 in³ |
| Radius of gyration, r_y | 14.1 mm | 0.555118 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 225,000 mm⁴ | 0.540565 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 5.28 kg/m | 3.548 lb/ft |