HD 400×314
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 | 399 mm | 15.7087 in |
| Flange width, b_f | 401 mm | 15.7874 in |
| Web thickness, t_w | 24.9 mm | 0.980315 in |
| Flange thickness, t_f | 39.6 mm | 1.5591 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 1.10000e+9 mm⁴ | 2,642.761 in⁴ |
| Elastic modulus, Sₓ | 5,520,000 mm³ | 336.8511 in³ |
| Plastic modulus, Zₓ | 6,370,000 mm³ | 388.7213 in³ |
| Radius of gyration, rₓ | 166 mm | 6.5354 in |
| Distance to top fibre | 199.5 mm | 7.8543 in |
| Distance to bottom fibre | 199.5 mm | 7.8543 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 426,000,000 mm⁴ | 1,023.469 in⁴ |
| Elastic modulus, S_y | 2,120,000 mm³ | 129.3703 in³ |
| Plastic modulus, Z_y | 3,240,000 mm³ | 197.7169 in³ |
| Radius of gyration, r_y | 103 mm | 4.0551 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 18,500,000 mm⁴ | 44.4464 in⁴ |
| Warping constant, C_w | 1.37000e+13 mm⁶ | 51,017.394 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 314 kg/m | 210.9983 lb/ft |