SHS 220×220×8
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 | 220 mm | 8.6614 in |
| Width | 220 mm | 8.6614 in |
| Thickness, t | 8 mm | 0.314961 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 50,000,000 mm⁴ | 120.1255 in⁴ |
| Elastic modulus, Sₓ | 455,000 mm³ | 27.7658 in³ |
| Plastic modulus, Zₓ | 532,000 mm³ | 32.4646 in³ |
| Radius of gyration, rₓ | 86.3 mm | 3.3976 in |
| Distance to top fibre | 110 mm | 4.3307 in |
| Distance to bottom fibre | 110 mm | 4.3307 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 50,000,000 mm⁴ | 120.1255 in⁴ |
| Elastic modulus, S_y | 455,000 mm³ | 27.7658 in³ |
| Plastic modulus, Z_y | 532,000 mm³ | 32.4646 in³ |
| Radius of gyration, r_y | 86.3 mm | 3.3976 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 77,600,000 mm⁴ | 186.4347 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 52.7 kg/m | 35.4128 lb/ft |