SHS 50×50×4
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 | 50 mm | 1.9685 in |
| Width | 50 mm | 1.9685 in |
| Thickness, t | 4 mm | 0.15748 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 250,000 mm⁴ | 0.600627 in⁴ |
| Elastic modulus, Sₓ | 9,990 mm³ | 0.609627 in³ |
| Plastic modulus, Zₓ | 12,300 mm³ | 0.750592 in³ |
| Radius of gyration, rₓ | 18.6 mm | 0.732283 in |
| Distance to top fibre | 25 mm | 0.984252 in |
| Distance to bottom fibre | 25 mm | 0.984252 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 250,000 mm⁴ | 0.600627 in⁴ |
| Elastic modulus, S_y | 9,990 mm³ | 0.609627 in³ |
| Plastic modulus, Z_y | 12,300 mm³ | 0.750592 in³ |
| Radius of gyration, r_y | 18.6 mm | 0.732283 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 404,000 mm⁴ | 0.970614 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 5.64 kg/m | 3.7899 lb/ft |