L 250×250×20
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 | 250 mm | 9.8425 in |
| Width | 250 mm | 9.8425 in |
| Thickness, t | 20 mm | 0.787402 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 56,700,000 mm⁴ | 136.2223 in⁴ |
| Elastic modulus, Sₓ | 314,000 mm³ | 19.1615 in³ |
| Radius of gyration, rₓ | 76.9 mm | 3.0276 in |
| Distance to top fibre | 180.5732 mm | 7.1092 in |
| Distance to bottom fibre | 69.4268 mm | 2.7333 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 56,700,000 mm⁴ | 136.2223 in⁴ |
| Elastic modulus, S_y | 314,000 mm³ | 19.1615 in³ |
| Radius of gyration, r_y | 76.9 mm | 3.0276 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1,340,000 mm⁴ | 3.2194 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 75.3 kg/m | 50.5993 lb/ft |