W16x31
Wide flange from AISC Shapes Database v16.0. Also designated W410X46.1.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 404 mm | 15.9 in |
| Flange width, b_f | 140 mm | 5.53 in |
| Web thickness, t_w | 6.99 mm | 0.275 in |
| Flange thickness, t_f | 11.2 mm | 0.44 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 156,000,000 mm⁴ | 375 in⁴ |
| Elastic modulus, Sₓ | 773,000 mm³ | 47.2 in³ |
| Plastic modulus, Zₓ | 885,000 mm³ | 54 in³ |
| Radius of gyration, rₓ | 163 mm | 6.41 in |
| Distance to top fibre | 202 mm | 7.95 in |
| Distance to bottom fibre | 202 mm | 7.95 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 5,160,000 mm⁴ | 12.4 in⁴ |
| Elastic modulus, S_y | 73,600 mm³ | 4.49 in³ |
| Plastic modulus, Z_y | 115,000 mm³ | 7.03 in³ |
| Radius of gyration, r_y | 29.7 mm | 1.17 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 192,000 mm⁴ | 0.461 in⁴ |
| Warping constant, C_w | 1.98000e+11 mm⁶ | 739 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 46.1 kg/m | 31 lb/ft |