SHS 250×250×8.8
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 | 250 mm | 9.8425 in |
| Width | 250 mm | 9.8425 in |
| Thickness, t | 8.8 mm | 0.346457 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 81,100,000 mm⁴ | 194.8435 in⁴ |
| Elastic modulus, Sₓ | 649,000 mm³ | 39.6044 in³ |
| Plastic modulus, Zₓ | 758,000 mm³ | 46.256 in³ |
| Radius of gyration, rₓ | 98.2 mm | 3.8661 in |
| Distance to top fibre | 125 mm | 4.9213 in |
| Distance to bottom fibre | 125 mm | 4.9213 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 81,100,000 mm⁴ | 194.8435 in⁴ |
| Elastic modulus, S_y | 649,000 mm³ | 39.6044 in³ |
| Plastic modulus, Z_y | 758,000 mm³ | 46.256 in³ |
| Radius of gyration, r_y | 98.2 mm | 3.8661 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 126,000,000 mm⁴ | 302.7162 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 66 kg/m | 44.35 lb/ft |