L 30×30×4
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 | 30 mm | 1.1811 in |
| Width | 30 mm | 1.1811 in |
| Thickness, t | 4 mm | 0.15748 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 18,000 mm⁴ | 0.043245 in⁴ |
| Elastic modulus, Sₓ | 850 mm³ | 0.05187 in³ |
| Radius of gyration, rₓ | 8.9 mm | 0.350394 in |
| Distance to top fibre | 21.1765 mm | 0.8337189 in |
| Distance to bottom fibre | 8.8235 mm | 0.3473831 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 18,000 mm⁴ | 0.043245 in⁴ |
| Elastic modulus, S_y | 850 mm³ | 0.05187 in³ |
| Radius of gyration, r_y | 8.9 mm | 0.350394 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1,370 mm⁴ | 0.003291 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 1.78 kg/m | 1.1961 lb/ft |