SHS 250×250×16
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 | 16 mm | 0.629921 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 133,000,000 mm⁴ | 319.5338 in⁴ |
| Elastic modulus, Sₓ | 1,060,000 mm³ | 64.6852 in³ |
| Plastic modulus, Zₓ | 1,280,000 mm³ | 78.1104 in³ |
| Radius of gyration, rₓ | 95 mm | 3.7402 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 | 133,000,000 mm⁴ | 319.5338 in⁴ |
| Elastic modulus, S_y | 1,060,000 mm³ | 64.6852 in³ |
| Plastic modulus, Z_y | 1,280,000 mm³ | 78.1104 in³ |
| Radius of gyration, r_y | 95 mm | 3.7402 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 211,000,000 mm⁴ | 506.9295 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 115 kg/m | 77.2764 lb/ft |