IPN 300
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 | 300 mm | 11.811 in |
| Flange width, b_f | 125 mm | 4.9213 in |
| Web thickness, t_w | 10.8 mm | 0.425197 in |
| Flange thickness, t_f | 16.2 mm | 0.637795 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 98,000,000 mm⁴ | 235.4459 in⁴ |
| Elastic modulus, Sₓ | 653,000 mm³ | 39.8485 in³ |
| Plastic modulus, Zₓ | 762,000 mm³ | 46.5001 in³ |
| Radius of gyration, rₓ | 119 mm | 4.685 in |
| Distance to top fibre | 150 mm | 5.9055 in |
| Distance to bottom fibre | 150 mm | 5.9055 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 4,510,000 mm⁴ | 10.8353 in⁴ |
| Elastic modulus, S_y | 72,200 mm³ | 4.4059 in³ |
| Plastic modulus, Z_y | 121,000 mm³ | 7.3839 in³ |
| Radius of gyration, r_y | 26 mm | 1.0236 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 568,000 mm⁴ | 1.3646 in⁴ |
| Warping constant, C_w | 9.18000e+10 mm⁶ | 341.8538 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 54.2 kg/m | 36.4207 lb/ft |