L 180×180×17
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 | 180 mm | 7.0866 in |
| Width | 180 mm | 7.0866 in |
| Thickness, t | 17 mm | 0.669291 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 17,800,000 mm⁴ | 42.7647 in⁴ |
| Elastic modulus, Sₓ | 137,000 mm³ | 8.3603 in³ |
| Radius of gyration, rₓ | 55 mm | 2.1654 in |
| Distance to top fibre | 129.927 mm | 5.1152 in |
| Distance to bottom fibre | 50.073 mm | 1.9714 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 17,800,000 mm⁴ | 42.7647 in⁴ |
| Elastic modulus, S_y | 137,000 mm³ | 8.3603 in³ |
| Radius of gyration, r_y | 55 mm | 2.1654 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 603,000 mm⁴ | 1.4487 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 46 kg/m | 30.9106 lb/ft |