L 300×300×30
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 | 300 mm | 11.811 in |
| Width | 300 mm | 11.811 in |
| Thickness, t | 30 mm | 1.1811 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 143,000,000 mm⁴ | 343.5589 in⁴ |
| Elastic modulus, Sₓ | 666,000 mm³ | 40.6418 in³ |
| Radius of gyration, rₓ | 91.7 mm | 3.6102 in |
| Distance to top fibre | 214.7147 mm | 8.4533 in |
| Distance to bottom fibre | 85.2853 mm | 3.3577 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 143,000,000 mm⁴ | 343.5589 in⁴ |
| Elastic modulus, S_y | 666,000 mm³ | 40.6418 in³ |
| Radius of gyration, r_y | 91.7 mm | 3.6102 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 5,270,000 mm⁴ | 12.6612 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 133 kg/m | 89.3719 lb/ft |