W18x283
Wide flange from AISC Shapes Database v16.0. Also designated W460X421.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 556 mm | 21.9 in |
| Flange width, b_f | 302 mm | 11.9 in |
| Web thickness, t_w | 35.6 mm | 1.4 in |
| Flange thickness, t_f | 63.5 mm | 2.5 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 2.57000e+9 mm⁴ | 6,170 in⁴ |
| Elastic modulus, Sₓ | 9,260,000 mm³ | 565 in³ |
| Plastic modulus, Zₓ | 11,100,000 mm³ | 676 in³ |
| Radius of gyration, rₓ | 219 mm | 8.61 in |
| Distance to top fibre | 278 mm | 10.95 in |
| Distance to bottom fibre | 278 mm | 10.95 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 293,000,000 mm⁴ | 704 in⁴ |
| Elastic modulus, S_y | 1,930,000 mm³ | 118 in³ |
| Plastic modulus, Z_y | 3,030,000 mm³ | 185 in³ |
| Radius of gyration, r_y | 73.9 mm | 2.91 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 55,800,000 mm⁴ | 134 in⁴ |
| Warping constant, C_w | 1.77000e+13 mm⁶ | 65,900 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 421 kg/m | 283 lb/ft |