HE 450 A
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 | 440 mm | 17.3228 in |
| Flange width, b_f | 300 mm | 11.811 in |
| Web thickness, t_w | 11.5 mm | 0.452756 in |
| Flange thickness, t_f | 21 mm | 0.826772 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 637,000,000 mm⁴ | 1,530.399 in⁴ |
| Elastic modulus, Sₓ | 2,900,000 mm³ | 176.9689 in³ |
| Plastic modulus, Zₓ | 3,220,000 mm³ | 196.4965 in³ |
| Radius of gyration, rₓ | 189 mm | 7.4409 in |
| Distance to top fibre | 220 mm | 8.6614 in |
| Distance to bottom fibre | 220 mm | 8.6614 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 94,600,000 mm⁴ | 227.2774 in⁴ |
| Elastic modulus, S_y | 631,000 mm³ | 38.506 in³ |
| Plastic modulus, Z_y | 966,000 mm³ | 58.9489 in³ |
| Radius of gyration, r_y | 72.9 mm | 2.8701 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 2,500,000 mm⁴ | 6.0063 in⁴ |
| Warping constant, C_w | 4.15000e+12 mm⁶ | 15,454.174 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 140 kg/m | 94.0757 lb/ft |