WT3x12.5
Structural tees from AISC Shapes Database v16.0. Also designated WT75X18.55.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 81 mm | 3.19 in |
| Flange width, b_f | 154 mm | 6.08 in |
| Web thickness, t_w | 8.13 mm | 0.32 in |
| Flange thickness, t_f | 11.6 mm | 0.455 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 953,000 mm⁴ | 2.29 in⁴ |
| Elastic modulus, Sₓ | 14,500 mm³ | 0.886 in³ |
| Plastic modulus, Zₓ | 27,500 mm³ | 1.68 in³ |
| Radius of gyration, rₓ | 20 mm | 0.789 in |
| Distance to top fibre | 15.5 mm | 0.61 in |
| Distance to bottom fibre | 65.5 mm | 2.58 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 3,550,000 mm⁴ | 8.53 in⁴ |
| Elastic modulus, S_y | 46,000 mm³ | 2.81 in³ |
| Plastic modulus, Z_y | 70,100 mm³ | 4.28 in³ |
| Radius of gyration, r_y | 38.6 mm | 1.52 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 95,300 mm⁴ | 0.229 in⁴ |
| Warping constant, C_w | 45,900,000 mm⁶ | 0.171 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 18.6 kg/m | 12.5 lb/ft |