HD 260×225
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 | 309 mm | 12.1654 in |
| Flange width, b_f | 271 mm | 10.6693 in |
| Web thickness, t_w | 24 mm | 0.944882 in |
| Flange thickness, t_f | 42 mm | 1.6535 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 438,000,000 mm⁴ | 1,052.299 in⁴ |
| Elastic modulus, Sₓ | 2,830,000 mm³ | 172.6972 in³ |
| Plastic modulus, Zₓ | 3,400,000 mm³ | 207.4807 in³ |
| Radius of gyration, rₓ | 124 mm | 4.8819 in |
| Distance to top fibre | 154.5 mm | 6.0827 in |
| Distance to bottom fibre | 154.5 mm | 6.0827 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 140,000,000 mm⁴ | 336.3513 in⁴ |
| Elastic modulus, S_y | 1,030,000 mm³ | 62.8545 in³ |
| Plastic modulus, Z_y | 1,580,000 mm³ | 96.4175 in³ |
| Radius of gyration, r_y | 69.8 mm | 2.748 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 15,300,000 mm⁴ | 36.7584 in⁴ |
| Warping constant, C_w | 2.48000e+12 mm⁶ | 9,235.265 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 225 kg/m | 151.193 lb/ft |