L 55×55×4
Angles 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 |
|---|---|---|
| Depth, d | 55 mm | 2.1654 in |
| Width | 55 mm | 2.1654 in |
| Thickness, t | 4 mm | 0.15748 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 120,000 mm⁴ | 0.288301 in⁴ |
| Elastic modulus, Sₓ | 2,980 mm³ | 0.181851 in³ |
| Radius of gyration, rₓ | 16.7 mm | 0.65748 in |
| Distance to top fibre | 40.2685 mm | 1.5854 in |
| Distance to bottom fibre | 14.7315 mm | 0.5799847 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 120,000 mm⁴ | 0.288301 in⁴ |
| Elastic modulus, S_y | 2,980 mm³ | 0.181851 in³ |
| Radius of gyration, r_y | 16.7 mm | 0.65748 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 2,730 mm⁴ | 0.006559 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 3.38 kg/m | 2.2713 lb/ft |