WT13.5X73 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 13.7 | 348.0 mm |
| Flange Width (bf) | 14 | 35.56 cm |
| Flange Thickness (tf) | 0.975 | 24.8 mm |
| Web Thickness (tw) | 0.605 | 15.4 mm |
| Area (A) | 21.6 in² | 139.4 cm² |
| Weight | 73 lb/ft | 108.6 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 336 | 222 | in⁴ |
| Elastic Section Modulus (S) | 31.2 | 31.7 | in³ |
| Plastic Section Modulus (Z) | 55 | 48.8 | in³ |
| Radius of Gyration (r) | 3.95 | 3.2 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 5.62 | in⁴ |
| Warping Constant (Cw) | 31.7 | 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 WT13.5X73 tee? 73 lb/ft (108.6 kg/m).
What is the section modulus of WT13.5X73? Sx = 31.2 in³, Zx = 55 in³ (strong axis). Sy = 31.7 in³, Zy = 48.8 in³ (weak axis).
What steel grade is standard for WT13.5X73? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT13.5X73? Ix = 336 in⁴ about the strong axis and Iy = 222 in⁴ about the weak axis. The radius of gyration is rx = 3.95 in and ry = 3.2 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.