IPN 260
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 | 260 mm | 10.2362 in |
| Flange width, b_f | 113 mm | 4.4488 in |
| Web thickness, t_w | 9.4 mm | 0.370079 in |
| Flange thickness, t_f | 14.1 mm | 0.555118 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 57,400,000 mm⁴ | 137.9041 in⁴ |
| Elastic modulus, Sₓ | 442,000 mm³ | 26.9725 in³ |
| Plastic modulus, Zₓ | 514,000 mm³ | 31.3662 in³ |
| Radius of gyration, rₓ | 104 mm | 4.0945 in |
| Distance to top fibre | 130 mm | 5.1181 in |
| Distance to bottom fibre | 130 mm | 5.1181 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 2,880,000 mm⁴ | 6.9192 in⁴ |
| Elastic modulus, S_y | 51,000 mm³ | 3.1122 in³ |
| Plastic modulus, Z_y | 85,900 mm³ | 5.2419 in³ |
| Radius of gyration, r_y | 23 mm | 0.905512 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 335,000 mm⁴ | 0.804841 in⁴ |
| Warping constant, C_w | 4.41000e+10 mm⁶ | 164.2239 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 41.9 kg/m | 28.1555 lb/ft |