SHS 220×220×8.8
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 | 8.8 mm | 0.346457 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 54,300,000 mm⁴ | 130.4563 in⁴ |
| Elastic modulus, Sₓ | 494,000 mm³ | 30.1457 in³ |
| Plastic modulus, Zₓ | 580,000 mm³ | 35.3938 in³ |
| Radius of gyration, rₓ | 85.9 mm | 3.3819 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 | 54,300,000 mm⁴ | 130.4563 in⁴ |
| Elastic modulus, S_y | 494,000 mm³ | 30.1457 in³ |
| Plastic modulus, Z_y | 580,000 mm³ | 35.3938 in³ |
| Radius of gyration, r_y | 85.9 mm | 3.3819 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 84,600,000 mm⁴ | 203.2523 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 57.7 kg/m | 38.7726 lb/ft |