WT16.5X120.5 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 17.1 | 434.3 mm |
| Flange Width (bf) | 15.9 | 40.39 cm |
| Flange Thickness (tf) | 1.4 | 35.6 mm |
| Web Thickness (tw) | 0.83 | 21.1 mm |
| Area (A) | 35.6 in² | 229.7 cm² |
| Weight | 120.5 lb/ft | 179.3 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 872 | 466 | in⁴ |
| Elastic Section Modulus (S) | 65.8 | 58.8 | in³ |
| Plastic Section Modulus (Z) | 116 | 90.8 | in³ |
| Radius of Gyration (r) | 4.96 | 3.62 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 18 | in⁴ |
| Warping Constant (Cw) | 146 | in⁶ |
Design Resources
- Section Properties Database — Compare with other sections
- Steel Beam Sizes Reference — Full dimension table
- Steel Grades Reference — Material properties
Frequently Asked Questions
What is the weight of a WT16.5X120.5 tee? 120.5 lb/ft (179.3 kg/m).
What is the section modulus of WT16.5X120.5? Sx = 65.8 in³, Zx = 116 in³ (strong axis). Sy = 58.8 in³, Zy = 90.8 in³ (weak axis).
What steel grade is standard for WT16.5X120.5? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT16.5X120.5? Ix = 872 in⁴ about the strong axis and Iy = 466 in⁴ about the weak axis. The radius of gyration is rx = 4.96 in and ry = 3.62 in.
Related Pages
Educational reference only. Verify all section properties against the current AISC Manual and mill certificates before design. Results are PRELIMINARY — NOT FOR CONSTRUCTION.