IPE A 400
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 | 397 mm | 15.6299 in |
| Flange width, b_f | 180 mm | 7.0866 in |
| Web thickness, t_w | 7 mm | 0.275591 in |
| Flange thickness, t_f | 12 mm | 0.472441 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 203,000,000 mm⁴ | 487.7095 in⁴ |
| Elastic modulus, Sₓ | 1,020,000 mm³ | 62.2442 in³ |
| Plastic modulus, Zₓ | 1,140,000 mm³ | 69.5671 in³ |
| Radius of gyration, rₓ | 167 mm | 6.5748 in |
| Distance to top fibre | 198.5 mm | 7.815 in |
| Distance to bottom fibre | 198.5 mm | 7.815 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 11,700,000 mm⁴ | 28.1094 in⁴ |
| Elastic modulus, S_y | 130,000 mm³ | 7.9331 in³ |
| Plastic modulus, Z_y | 202,000 mm³ | 12.3268 in³ |
| Radius of gyration, r_y | 40 mm | 1.5748 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 362,000 mm⁴ | 0.869708 in⁴ |
| Warping constant, C_w | 4.32000e+11 mm⁶ | 1,608.724 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 57.4 kg/m | 38.571 lb/ft |