L 200×200×21
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 | 200 mm | 7.874 in |
| Width | 200 mm | 7.874 in |
| Thickness, t | 21 mm | 0.826772 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 29,700,000 mm⁴ | 71.3545 in⁴ |
| Elastic modulus, Sₓ | 208,000 mm³ | 12.6929 in³ |
| Radius of gyration, rₓ | 61 mm | 2.4016 in |
| Distance to top fibre | 142.7885 mm | 5.6216 in |
| Distance to bottom fibre | 57.2115 mm | 2.2524 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 29,700,000 mm⁴ | 71.3545 in⁴ |
| Elastic modulus, S_y | 208,000 mm³ | 12.6929 in³ |
| Radius of gyration, r_y | 61 mm | 2.4016 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1,230,000 mm⁴ | 2.9551 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 62.8 kg/m | 42.1997 lb/ft |