HD 400×287
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 | 393 mm | 15.4724 in |
| Flange width, b_f | 399 mm | 15.7087 in |
| Web thickness, t_w | 22.6 mm | 0.889764 in |
| Flange thickness, t_f | 36.6 mm | 1.4409 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 997,000,000 mm⁴ | 2,395.302 in⁴ |
| Elastic modulus, Sₓ | 5,070,000 mm³ | 309.3904 in³ |
| Plastic modulus, Zₓ | 5,810,000 mm³ | 354.548 in³ |
| Radius of gyration, rₓ | 165 mm | 6.4961 in |
| Distance to top fibre | 196.5 mm | 7.7362 in |
| Distance to bottom fibre | 196.5 mm | 7.7362 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 388,000,000 mm⁴ | 932.1737 in⁴ |
| Elastic modulus, S_y | 1,940,000 mm³ | 118.3861 in³ |
| Plastic modulus, Z_y | 2,960,000 mm³ | 180.6303 in³ |
| Radius of gyration, r_y | 103 mm | 4.0551 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 14,500,000 mm⁴ | 34.8364 in⁴ |
| Warping constant, C_w | 1.23000e+13 mm⁶ | 45,803.937 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 287 kg/m | 192.8551 lb/ft |