SHS 90×90×4
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 | 90 mm | 3.5433 in |
| Width | 90 mm | 3.5433 in |
| Thickness, t | 4 mm | 0.15748 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 1,660,000 mm⁴ | 3.9882 in⁴ |
| Elastic modulus, Sₓ | 37,000 mm³ | 2.2579 in³ |
| Plastic modulus, Zₓ | 43,600 mm³ | 2.6606 in³ |
| Radius of gyration, rₓ | 35 mm | 1.378 in |
| Distance to top fibre | 45 mm | 1.7717 in |
| Distance to bottom fibre | 45 mm | 1.7717 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 1,660,000 mm⁴ | 3.9882 in⁴ |
| Elastic modulus, S_y | 37,000 mm³ | 2.2579 in³ |
| Plastic modulus, Z_y | 43,600 mm³ | 2.6606 in³ |
| Radius of gyration, r_y | 35 mm | 1.378 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 2,600,000 mm⁴ | 6.2465 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 10.7 kg/m | 7.1901 lb/ft |