SHS 260×260×7.1
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 | 260 mm | 10.2362 in |
| Width | 260 mm | 10.2362 in |
| Thickness, t | 7.1 mm | 0.279528 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 75,700,000 mm⁴ | 181.87 in⁴ |
| Elastic modulus, Sₓ | 582,000 mm³ | 35.5158 in³ |
| Plastic modulus, Zₓ | 674,000 mm³ | 41.13 in³ |
| Radius of gyration, rₓ | 103 mm | 4.0551 in |
| Distance to top fibre | 130 mm | 5.1181 in |
| Distance to bottom fibre | 130 mm | 5.1181 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 75,700,000 mm⁴ | 181.87 in⁴ |
| Elastic modulus, S_y | 582,000 mm³ | 35.5158 in³ |
| Plastic modulus, Z_y | 674,000 mm³ | 41.13 in³ |
| Radius of gyration, r_y | 103 mm | 4.0551 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 116,000,000 mm⁴ | 278.6911 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 56 kg/m | 37.6303 lb/ft |