W18x40
Wide flange from AISC Shapes Database v16.0. Also designated W460X60.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 455 mm | 17.9 in |
| Flange width, b_f | 153 mm | 6.02 in |
| Web thickness, t_w | 8 mm | 0.315 in |
| Flange thickness, t_f | 13.3 mm | 0.525 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 255,000,000 mm⁴ | 612 in⁴ |
| Elastic modulus, Sₓ | 1,120,000 mm³ | 68.4 in³ |
| Plastic modulus, Zₓ | 1,280,000 mm³ | 78.4 in³ |
| Radius of gyration, rₓ | 183 mm | 7.21 in |
| Distance to top fibre | 227.5 mm | 8.95 in |
| Distance to bottom fibre | 227.5 mm | 8.95 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 7,950,000 mm⁴ | 19.1 in⁴ |
| Elastic modulus, S_y | 104,000 mm³ | 6.35 in³ |
| Plastic modulus, Z_y | 164,000 mm³ | 10 in³ |
| Radius of gyration, r_y | 32.3 mm | 1.27 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 337,000 mm⁴ | 0.81 in⁴ |
| Warping constant, C_w | 3.87000e+11 mm⁶ | 1,440 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 60 kg/m | 40 lb/ft |