WT15X74 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 15.3 | 388.6 mm |
| Flange Width (bf) | 10.5 | 26.67 cm |
| Flange Thickness (tf) | 1.18 | 30.0 mm |
| Web Thickness (tw) | 0.65 | 16.5 mm |
| Area (A) | 21.8 in² | 140.6 cm² |
| Weight | 74 lb/ft | 110.1 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 466 | 114 | in⁴ |
| Elastic Section Modulus (S) | 40.6 | 21.7 | in³ |
| Plastic Section Modulus (Z) | 72.2 | 33.9 | in³ |
| Radius of Gyration (r) | 4.63 | 2.28 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 7.24 | in⁴ |
| Warping Constant (Cw) | 37.6 | 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 WT15X74 tee? 74 lb/ft (110.1 kg/m).
What is the section modulus of WT15X74? Sx = 40.6 in³, Zx = 72.2 in³ (strong axis). Sy = 21.7 in³, Zy = 33.9 in³ (weak axis).
What steel grade is standard for WT15X74? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT15X74? Ix = 466 in⁴ about the strong axis and Iy = 114 in⁴ about the weak axis. The radius of gyration is rx = 4.63 in and ry = 2.28 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.