WT15X66 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 15.2 | 386.1 mm |
| Flange Width (bf) | 10.5 | 26.67 cm |
| Flange Thickness (tf) | 1 | 25.4 mm |
| Web Thickness (tw) | 0.615 | 15.6 mm |
| Area (A) | 19.5 in² | 125.8 cm² |
| Weight | 66 lb/ft | 98.2 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 421 | 98 | in⁴ |
| Elastic Section Modulus (S) | 37.4 | 18.6 | in³ |
| Plastic Section Modulus (Z) | 66.8 | 29.2 | in³ |
| Radius of Gyration (r) | 4.66 | 2.25 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 4.85 | in⁴ |
| Warping Constant (Cw) | 28.5 | 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 WT15X66 tee? 66 lb/ft (98.2 kg/m).
What is the section modulus of WT15X66? Sx = 37.4 in³, Zx = 66.8 in³ (strong axis). Sy = 18.6 in³, Zy = 29.2 in³ (weak axis).
What steel grade is standard for WT15X66? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT15X66? Ix = 421 in⁴ about the strong axis and Iy = 98 in⁴ about the weak axis. The radius of gyration is rx = 4.66 in and ry = 2.25 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.