L 180×180×20
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 | 20 mm | 0.787402 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 20,400,000 mm⁴ | 49.0112 in⁴ |
| Elastic modulus, Sₓ | 159,000 mm³ | 9.7028 in³ |
| Radius of gyration, rₓ | 54.7 mm | 2.1535 in |
| Distance to top fibre | 128.3019 mm | 5.0513 in |
| Distance to bottom fibre | 51.6981 mm | 2.0354 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 20,400,000 mm⁴ | 49.0112 in⁴ |
| Elastic modulus, S_y | 159,000 mm³ | 9.7028 in³ |
| Radius of gyration, r_y | 54.7 mm | 2.1535 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 965,000 mm⁴ | 2.3184 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 53.7 kg/m | 36.0847 lb/ft |