IPE 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 | 400 mm | 15.748 in |
| Flange width, b_f | 180 mm | 7.0866 in |
| Web thickness, t_w | 8.6 mm | 0.338583 in |
| Flange thickness, t_f | 13.5 mm | 0.531496 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 231,000,000 mm⁴ | 554.9797 in⁴ |
| Elastic modulus, Sₓ | 1,160,000 mm³ | 70.7875 in³ |
| Plastic modulus, Zₓ | 1,310,000 mm³ | 79.9411 in³ |
| Radius of gyration, rₓ | 166 mm | 6.5354 in |
| Distance to top fibre | 200 mm | 7.874 in |
| Distance to bottom fibre | 200 mm | 7.874 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 13,200,000 mm⁴ | 31.7131 in⁴ |
| Elastic modulus, S_y | 146,000 mm³ | 8.9095 in³ |
| Plastic modulus, Z_y | 229,000 mm³ | 13.9744 in³ |
| Radius of gyration, r_y | 39.5 mm | 1.5551 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 513,000 mm⁴ | 1.2325 in⁴ |
| Warping constant, C_w | 4.90000e+11 mm⁶ | 1,824.71 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 66.3 kg/m | 44.5515 lb/ft |