W18x311
Wide flange from AISC Shapes Database v16.0. Also designated W460X464.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 566 mm | 22.3 in |
| Flange width, b_f | 305 mm | 12 in |
| Web thickness, t_w | 38.6 mm | 1.52 in |
| Flange thickness, t_f | 69.6 mm | 2.74 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 2.90000e+9 mm⁴ | 6,970 in⁴ |
| Elastic modulus, Sₓ | 10,200,000 mm³ | 624 in³ |
| Plastic modulus, Zₓ | 12,400,000 mm³ | 754 in³ |
| Radius of gyration, rₓ | 221 mm | 8.72 in |
| Distance to top fibre | 283 mm | 11.15 in |
| Distance to bottom fibre | 283 mm | 11.15 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 331,000,000 mm⁴ | 795 in⁴ |
| Elastic modulus, S_y | 2,160,000 mm³ | 132 in³ |
| Plastic modulus, Z_y | 3,390,000 mm³ | 207 in³ |
| Radius of gyration, r_y | 74.9 mm | 2.95 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 73,300,000 mm⁴ | 176 in⁴ |
| Warping constant, C_w | 2.05000e+13 mm⁶ | 76,200 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 464 kg/m | 311 lb/ft |