IPE O 550
IPE beams 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 | 556 mm | 21.8898 in |
| Flange width, b_f | 212 mm | 8.3465 in |
| Web thickness, t_w | 12.7 mm | 0.5 in |
| Flange thickness, t_f | 20.2 mm | 0.795276 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 792,000,000 mm⁴ | 1,902.788 in⁴ |
| Elastic modulus, Sₓ | 2,850,000 mm³ | 173.9177 in³ |
| Plastic modulus, Zₓ | 3,260,000 mm³ | 198.9374 in³ |
| Radius of gyration, rₓ | 225 mm | 8.8583 in |
| Distance to top fibre | 278 mm | 10.9449 in |
| Distance to bottom fibre | 278 mm | 10.9449 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 32,200,000 mm⁴ | 77.3608 in⁴ |
| Elastic modulus, S_y | 304,000 mm³ | 18.5512 in³ |
| Plastic modulus, Z_y | 481,000 mm³ | 29.3524 in³ |
| Radius of gyration, r_y | 45.5 mm | 1.7913 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 1,870,000 mm⁴ | 4.4927 in⁴ |
| Warping constant, C_w | 2.30000e+12 mm⁶ | 8,564.964 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 123 kg/m | 82.6522 lb/ft |