WT4X29 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 4.38 | 111.3 mm |
| Flange Width (bf) | 8.22 | 20.88 cm |
| Flange Thickness (tf) | 0.81 | 20.6 mm |
| Web Thickness (tw) | 0.51 | 13.0 mm |
| Area (A) | 8.54 in² | 55.1 cm² |
| Weight | 29 lb/ft | 43.2 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 9.12 | 37.5 | in⁴ |
| Elastic Section Modulus (S) | 2.61 | 9.13 | in³ |
| Plastic Section Modulus (Z) | 5.25 | 13.9 | in³ |
| Radius of Gyration (r) | 1.03 | 2.1 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 1.66 | in⁴ |
| Warping Constant (Cw) | 2.28 | 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 WT4X29 tee? 29 lb/ft (43.2 kg/m).
What is the section modulus of WT4X29? Sx = 2.61 in³, Zx = 5.25 in³ (strong axis). Sy = 9.13 in³, Zy = 13.9 in³ (weak axis).
What steel grade is standard for WT4X29? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT4X29? Ix = 9.12 in⁴ about the strong axis and Iy = 37.5 in⁴ about the weak axis. The radius of gyration is rx = 1.03 in and ry = 2.1 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.