HE 450 AA
HE wide flange sections 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 | 425 mm | 16.7323 in |
| Flange width, b_f | 300 mm | 11.811 in |
| Web thickness, t_w | 10 mm | 0.393701 in |
| Flange thickness, t_f | 13.5 mm | 0.531496 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 419,000,000 mm⁴ | 1,006.652 in⁴ |
| Elastic modulus, Sₓ | 1,970,000 mm³ | 120.2168 in³ |
| Plastic modulus, Zₓ | 2,180,000 mm³ | 133.0318 in³ |
| Radius of gyration, rₓ | 182 mm | 7.1654 in |
| Distance to top fibre | 212.5 mm | 8.3661 in |
| Distance to bottom fibre | 212.5 mm | 8.3661 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 60,900,000 mm⁴ | 146.3128 in⁴ |
| Elastic modulus, S_y | 406,000 mm³ | 24.7756 in³ |
| Plastic modulus, Z_y | 624,000 mm³ | 38.0788 in³ |
| Radius of gyration, r_y | 69.2 mm | 2.7244 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 914,000 mm⁴ | 2.1959 in⁴ |
| Warping constant, C_w | 2.57000e+12 mm⁶ | 9,570.416 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 99.7 kg/m | 66.9953 lb/ft |