SHS 50×50×3
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 | 3 mm | 0.11811 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 202,000 mm⁴ | 0.485307 in⁴ |
| Elastic modulus, Sₓ | 8,080 mm³ | 0.493072 in³ |
| Plastic modulus, Zₓ | 9,700 mm³ | 0.59193 in³ |
| Radius of gyration, rₓ | 19.1 mm | 0.751969 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 | 202,000 mm⁴ | 0.485307 in⁴ |
| Elastic modulus, S_y | 8,080 mm³ | 0.493072 in³ |
| Plastic modulus, Z_y | 9,700 mm³ | 0.59193 in³ |
| Radius of gyration, r_y | 19.1 mm | 0.751969 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 321,000 mm⁴ | 0.771206 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 4.35 kg/m | 2.9231 lb/ft |