HD 400×347
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 | 407 mm | 16.0236 in |
| Flange width, b_f | 404 mm | 15.9055 in |
| Web thickness, t_w | 27.2 mm | 1.0709 in |
| Flange thickness, t_f | 43.7 mm | 1.7205 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 1.25000e+9 mm⁴ | 3,003.137 in⁴ |
| Elastic modulus, Sₓ | 6,140,000 mm³ | 374.6858 in³ |
| Plastic modulus, Zₓ | 7,140,000 mm³ | 435.7095 in³ |
| Radius of gyration, rₓ | 168 mm | 6.6142 in |
| Distance to top fibre | 203.5 mm | 8.0118 in |
| Distance to bottom fibre | 203.5 mm | 8.0118 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 481,000,000 mm⁴ | 1,155.607 in⁴ |
| Elastic modulus, S_y | 2,380,000 mm³ | 145.2365 in³ |
| Plastic modulus, Z_y | 3,630,000 mm³ | 221.5162 in³ |
| Radius of gyration, r_y | 104 mm | 4.0945 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 24,800,000 mm⁴ | 59.5822 in⁴ |
| Warping constant, C_w | 1.58000e+13 mm⁶ | 58,837.578 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 347 kg/m | 233.1732 lb/ft |