SHS 90×90×8
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 | 8 mm | 0.314961 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 2,810,000 mm⁴ | 6.7511 in⁴ |
| Elastic modulus, Sₓ | 62,600 mm³ | 3.8201 in³ |
| Plastic modulus, Zₓ | 77,600 mm³ | 4.7354 in³ |
| Radius of gyration, rₓ | 33.2 mm | 1.3071 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 | 2,810,000 mm⁴ | 6.7511 in⁴ |
| Elastic modulus, S_y | 62,600 mm³ | 3.8201 in³ |
| Plastic modulus, Z_y | 77,600 mm³ | 4.7354 in³ |
| Radius of gyration, r_y | 33.2 mm | 1.3071 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 4,590,000 mm⁴ | 11.0275 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 20.1 kg/m | 13.5066 lb/ft |