WT13.5X64.5 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 13.8 | 350.5 mm |
| Flange Width (bf) | 10 | 25.40 cm |
| Flange Thickness (tf) | 1.1 | 27.9 mm |
| Web Thickness (tw) | 0.61 | 15.5 mm |
| Area (A) | 18.9 in² | 121.9 cm² |
| Weight | 64.5 lb/ft | 96.0 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 323 | 92.2 | in⁴ |
| Elastic Section Modulus (S) | 31 | 18.4 | in³ |
| Plastic Section Modulus (Z) | 55.1 | 28.8 | in³ |
| Radius of Gyration (r) | 4.13 | 2.21 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 5.55 | in⁴ |
| Warping Constant (Cw) | 24 | 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 WT13.5X64.5 tee? 64.5 lb/ft (96.0 kg/m).
What is the section modulus of WT13.5X64.5? Sx = 31 in³, Zx = 55.1 in³ (strong axis). Sy = 18.4 in³, Zy = 28.8 in³ (weak axis).
What steel grade is standard for WT13.5X64.5? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT13.5X64.5? Ix = 323 in⁴ about the strong axis and Iy = 92.2 in⁴ about the weak axis. The radius of gyration is rx = 4.13 in and ry = 2.21 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.