WT4x20
Structural tees from AISC Shapes Database v16.0. Also designated WT100X29.5.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 105 mm | 4.13 in |
| Flange width, b_f | 205 mm | 8.07 in |
| Web thickness, t_w | 9.14 mm | 0.36 in |
| Flange thickness, t_f | 14.2 mm | 0.56 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 2,390,000 mm⁴ | 5.73 in⁴ |
| Elastic modulus, Sₓ | 27,700 mm³ | 1.69 in³ |
| Plastic modulus, Zₓ | 53,300 mm³ | 3.25 in³ |
| Radius of gyration, rₓ | 25.1 mm | 0.988 in |
| Distance to top fibre | 18.7 mm | 0.735 in |
| Distance to bottom fibre | 86.3 mm | 3.395 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 10,200,000 mm⁴ | 24.5 in⁴ |
| Elastic modulus, S_y | 99,600 mm³ | 6.08 in³ |
| Plastic modulus, Z_y | 151,000 mm³ | 9.24 in³ |
| Radius of gyration, r_y | 51.8 mm | 2.04 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 232,000 mm⁴ | 0.558 in⁴ |
| Warping constant, C_w | 192,000,000 mm⁶ | 0.715 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 29.5 kg/m | 20 lb/ft |