WT8x20
Structural tees from AISC Shapes Database v16.0. Also designated WT205X30.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 203 mm | 8.01 in |
| Flange width, b_f | 178 mm | 7 in |
| Web thickness, t_w | 7.75 mm | 0.305 in |
| Flange thickness, t_f | 12.8 mm | 0.505 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 13,800,000 mm⁴ | 33.1 in⁴ |
| Elastic modulus, Sₓ | 87,700 mm³ | 5.35 in³ |
| Plastic modulus, Zₓ | 155,000 mm³ | 9.43 in³ |
| Radius of gyration, rₓ | 60.2 mm | 2.37 in |
| Distance to top fibre | 46 mm | 1.81 in |
| Distance to bottom fibre | 157 mm | 6.2 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 5,990,000 mm⁴ | 14.4 in⁴ |
| Elastic modulus, S_y | 67,500 mm³ | 4.12 in³ |
| Plastic modulus, Z_y | 104,000 mm³ | 6.36 in³ |
| Radius of gyration, r_y | 39.6 mm | 1.56 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 165,000 mm⁴ | 0.396 in⁴ |
| Warping constant, C_w | 181,000,000 mm⁶ | 0.673 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 30 kg/m | 20 lb/ft |