WT3x4.5
Structural tees from AISC Shapes Database v16.0. Also designated WT75X6.75.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 74.9 mm | 2.95 in |
| Flange width, b_f | 100 mm | 3.94 in |
| Web thickness, t_w | 4.32 mm | 0.17 in |
| Flange thickness, t_f | 5.46 mm | 0.215 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 395,000 mm⁴ | 0.95 in⁴ |
| Elastic modulus, Sₓ | 6,690 mm³ | 0.408 in³ |
| Plastic modulus, Zₓ | 11,800 mm³ | 0.72 in³ |
| Radius of gyration, rₓ | 21.4 mm | 0.842 in |
| Distance to top fibre | 15.8 mm | 0.623 in |
| Distance to bottom fibre | 59.1 mm | 2.327 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 458,000 mm⁴ | 1.1 in⁴ |
| Elastic modulus, S_y | 9,130 mm³ | 0.557 in³ |
| Plastic modulus, Z_y | 14,000 mm³ | 0.856 in³ |
| Radius of gyration, r_y | 23 mm | 0.905 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 8,410 mm⁴ | 0.0202 in⁴ |
| Warping constant, C_w | 1,980,000 mm⁶ | 0.00736 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 6.75 kg/m | 4.5 lb/ft |