WT16.5X84.5 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 16.9 | 429.3 mm |
| Flange Width (bf) | 11.5 | 29.21 cm |
| Flange Thickness (tf) | 1.22 | 31.0 mm |
| Web Thickness (tw) | 0.67 | 17.0 mm |
| Area (A) | 24.7 in² | 159.4 cm² |
| Weight | 84.5 lb/ft | 125.7 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 649 | 155 | in⁴ |
| Elastic Section Modulus (S) | 51.1 | 27 | in³ |
| Plastic Section Modulus (Z) | 90.8 | 42.1 | in³ |
| Radius of Gyration (r) | 5.12 | 2.5 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 8.81 | in⁴ |
| Warping Constant (Cw) | 55.4 | 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 WT16.5X84.5 tee? 84.5 lb/ft (125.7 kg/m).
What is the section modulus of WT16.5X84.5? Sx = 51.1 in³, Zx = 90.8 in³ (strong axis). Sy = 27 in³, Zy = 42.1 in³ (weak axis).
What steel grade is standard for WT16.5X84.5? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT16.5X84.5? Ix = 649 in⁴ about the strong axis and Iy = 155 in⁴ about the weak axis. The radius of gyration is rx = 5.12 in and ry = 2.5 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.