SHS 250×250×6.3
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 | 6.3 mm | 0.248031 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 60,100,000 mm⁴ | 144.3908 in⁴ |
| Elastic modulus, Sₓ | 481,000 mm³ | 29.3524 in³ |
| Plastic modulus, Zₓ | 556,000 mm³ | 33.9292 in³ |
| Radius of gyration, rₓ | 99.3 mm | 3.9094 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 | 60,100,000 mm⁴ | 144.3908 in⁴ |
| Elastic modulus, S_y | 481,000 mm³ | 29.3524 in³ |
| Plastic modulus, Z_y | 556,000 mm³ | 33.9292 in³ |
| Radius of gyration, r_y | 99.3 mm | 3.9094 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 92,400,000 mm⁴ | 221.9919 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 47.9 kg/m | 32.1873 lb/ft |