HD 400×677
HD wide flange columns 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 | 483 mm | 19.0157 in |
| Flange width, b_f | 428 mm | 16.8504 in |
| Web thickness, t_w | 51.2 mm | 2.0157 in |
| Flange thickness, t_f | 81.5 mm | 3.2087 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 3.00000e+9 mm⁴ | 7,207.529 in⁴ |
| Elastic modulus, Sₓ | 12,400,000 mm³ | 756.6944 in³ |
| Plastic modulus, Zₓ | 15,400,000 mm³ | 939.7657 in³ |
| Radius of gyration, rₓ | 186 mm | 7.3228 in |
| Distance to top fibre | 241.5 mm | 9.5079 in |
| Distance to bottom fibre | 241.5 mm | 9.5079 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 1.07000e+9 mm⁴ | 2,570.685 in⁴ |
| Elastic modulus, S_y | 4,990,000 mm³ | 304.5085 in³ |
| Plastic modulus, Z_y | 7,680,000 mm³ | 468.6624 in³ |
| Radius of gyration, r_y | 111 mm | 4.3701 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 164,000,000 mm⁴ | 394.0116 in⁴ |
| Warping constant, C_w | 4.29000e+13 mm⁶ | 159,755.196 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 677 kg/m | 454.923 lb/ft |