HE 450 B
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 | 450 mm | 17.7165 in |
| Flange width, b_f | 300 mm | 11.811 in |
| Web thickness, t_w | 14 mm | 0.551181 in |
| Flange thickness, t_f | 26 mm | 1.0236 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 799,000,000 mm⁴ | 1,919.605 in⁴ |
| Elastic modulus, Sₓ | 3,550,000 mm³ | 216.6343 in³ |
| Plastic modulus, Zₓ | 3,980,000 mm³ | 242.8745 in³ |
| Radius of gyration, rₓ | 191 mm | 7.5197 in |
| Distance to top fibre | 225 mm | 8.8583 in |
| Distance to bottom fibre | 225 mm | 8.8583 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 117,000,000 mm⁴ | 281.0936 in⁴ |
| Elastic modulus, S_y | 781,000 mm³ | 47.6595 in³ |
| Plastic modulus, Z_y | 1,200,000 mm³ | 73.2285 in³ |
| Radius of gyration, r_y | 73.3 mm | 2.8858 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 4,480,000 mm⁴ | 10.7632 in⁴ |
| Warping constant, C_w | 5.26000e+12 mm⁶ | 19,587.7 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 171 kg/m | 114.9067 lb/ft |