W12x87
Wide flange from AISC Shapes Database v16.0. Also designated W310X129.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 318 mm | 12.5 in |
| Flange width, b_f | 307 mm | 12.1 in |
| Web thickness, t_w | 13.1 mm | 0.515 in |
| Flange thickness, t_f | 20.6 mm | 0.81 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 308,000,000 mm⁴ | 740 in⁴ |
| Elastic modulus, Sₓ | 1,930,000 mm³ | 118 in³ |
| Plastic modulus, Zₓ | 2,160,000 mm³ | 132 in³ |
| Radius of gyration, rₓ | 137 mm | 5.38 in |
| Distance to top fibre | 159 mm | 6.25 in |
| Distance to bottom fibre | 159 mm | 6.25 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 100,000,000 mm⁴ | 241 in⁴ |
| Elastic modulus, S_y | 651,000 mm³ | 39.7 in³ |
| Plastic modulus, Z_y | 990,000 mm³ | 60.4 in³ |
| Radius of gyration, r_y | 78 mm | 3.07 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 2,120,000 mm⁴ | 5.1 in⁴ |
| Warping constant, C_w | 2.22000e+12 mm⁶ | 8,270 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 129 kg/m | 87 lb/ft |