L 45×45×4.5
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 | 45 mm | 1.7717 in |
| Width | 45 mm | 1.7717 in |
| Thickness, t | 4.5 mm | 0.177165 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 71,400 mm⁴ | 0.171539 in⁴ |
| Elastic modulus, Sₓ | 2,200 mm³ | 0.134252 in³ |
| Radius of gyration, rₓ | 13.5 mm | 0.531496 in |
| Distance to top fibre | 32.4545 mm | 1.2777 in |
| Distance to bottom fibre | 12.5455 mm | 0.4939151 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 71,400 mm⁴ | 0.171539 in⁴ |
| Elastic modulus, S_y | 2,200 mm³ | 0.134252 in³ |
| Radius of gyration, r_y | 13.5 mm | 0.531496 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 3,040 mm⁴ | 0.007304 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 3.06 kg/m | 2.0562 lb/ft |