IPN 240
IPN taper flange 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 | 240 mm | 9.4488 in |
| Flange width, b_f | 106 mm | 4.1732 in |
| Web thickness, t_w | 8.7 mm | 0.34252 in |
| Flange thickness, t_f | 13.1 mm | 0.515748 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 42,500,000 mm⁴ | 102.1067 in⁴ |
| Elastic modulus, Sₓ | 354,000 mm³ | 21.6024 in³ |
| Plastic modulus, Zₓ | 412,000 mm³ | 25.1418 in³ |
| Radius of gyration, rₓ | 96 mm | 3.7795 in |
| Distance to top fibre | 120 mm | 4.7244 in |
| Distance to bottom fibre | 120 mm | 4.7244 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 2,210,000 mm⁴ | 5.3095 in⁴ |
| Elastic modulus, S_y | 41,700 mm³ | 2.5447 in³ |
| Plastic modulus, Z_y | 70,000 mm³ | 4.2717 in³ |
| Radius of gyration, r_y | 22 mm | 0.866142 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 250,000 mm⁴ | 0.600627 in⁴ |
| Warping constant, C_w | 2.87000e+10 mm⁶ | 106.8759 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 36.2 kg/m | 24.3253 lb/ft |