WT3X4.25 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 2.92 | 74.2 mm |
| Flange Width (bf) | 3.94 | 10.01 cm |
| Flange Thickness (tf) | 0.195 | 5.0 mm |
| Web Thickness (tw) | 0.17 | 4.3 mm |
| Area (A) | 1.26 in² | 8.1 cm² |
| Weight | 4.25 lb/ft | 6.3 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 0.905 | 0.995 | in⁴ |
| Elastic Section Modulus (S) | 0.397 | 0.505 | in³ |
| Plastic Section Modulus (Z) | 0.7 | 0.778 | in³ |
| Radius of Gyration (r) | 0.848 | 0.89 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.017 | in⁴ |
| Warping Constant (Cw) | 0.006 | 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 WT3X4.25 tee? 4.25 lb/ft (6.3 kg/m).
What is the section modulus of WT3X4.25? Sx = 0.397 in³, Zx = 0.7 in³ (strong axis). Sy = 0.505 in³, Zy = 0.778 in³ (weak axis).
What steel grade is standard for WT3X4.25? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT3X4.25? Ix = 0.905 in⁴ about the strong axis and Iy = 0.995 in⁴ about the weak axis. The radius of gyration is rx = 0.848 in and ry = 0.89 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.