SHS 250×250×5
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 | 250 mm | 9.8425 in |
| Width | 250 mm | 9.8425 in |
| Thickness, t | 5 mm | 0.19685 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 48,600,000 mm⁴ | 116.762 in⁴ |
| Elastic modulus, Sₓ | 389,000 mm³ | 23.7382 in³ |
| Plastic modulus, Zₓ | 447,000 mm³ | 27.2776 in³ |
| Radius of gyration, rₓ | 99.9 mm | 3.9331 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 | 48,600,000 mm⁴ | 116.762 in⁴ |
| Elastic modulus, S_y | 389,000 mm³ | 23.7382 in³ |
| Plastic modulus, Z_y | 447,000 mm³ | 27.2776 in³ |
| Radius of gyration, r_y | 99.9 mm | 3.9331 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 74,300,000 mm⁴ | 178.5065 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 38.3 kg/m | 25.7364 lb/ft |