W8x18
Wide flange from AISC Shapes Database v16.0. Also designated W200X26.6.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 207 mm | 8.14 in |
| Flange width, b_f | 133 mm | 5.25 in |
| Web thickness, t_w | 5.84 mm | 0.23 in |
| Flange thickness, t_f | 8.38 mm | 0.33 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 25,800,000 mm⁴ | 61.9 in⁴ |
| Elastic modulus, Sₓ | 249,000 mm³ | 15.2 in³ |
| Plastic modulus, Zₓ | 279,000 mm³ | 17 in³ |
| Radius of gyration, rₓ | 87.1 mm | 3.43 in |
| Distance to top fibre | 103.5 mm | 4.07 in |
| Distance to bottom fibre | 103.5 mm | 4.07 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 3,320,000 mm⁴ | 7.97 in⁴ |
| Elastic modulus, S_y | 49,800 mm³ | 3.04 in³ |
| Plastic modulus, Z_y | 76,400 mm³ | 4.66 in³ |
| Radius of gyration, r_y | 31.2 mm | 1.23 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 71,600 mm⁴ | 0.172 in⁴ |
| Warping constant, C_w | 3.28000e+10 mm⁶ | 122 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 26.6 kg/m | 18 lb/ft |