WT9X25 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 9 | 228.6 mm |
| Flange Width (bf) | 7.5 | 19.05 cm |
| Flange Thickness (tf) | 0.57 | 14.5 mm |
| Web Thickness (tw) | 0.355 | 9.0 mm |
| Area (A) | 7.34 in² | 47.4 cm² |
| Weight | 25 lb/ft | 37.2 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 53.5 | 20 | in⁴ |
| Elastic Section Modulus (S) | 7.79 | 5.35 | in³ |
| Plastic Section Modulus (Z) | 13.8 | 8.28 | in³ |
| Radius of Gyration (r) | 2.7 | 1.65 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.619 | in⁴ |
| Warping Constant (Cw) | 1.36 | 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 WT9X25 tee? 25 lb/ft (37.2 kg/m).
What is the section modulus of WT9X25? Sx = 7.79 in³, Zx = 13.8 in³ (strong axis). Sy = 5.35 in³, Zy = 8.28 in³ (weak axis).
What steel grade is standard for WT9X25? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT9X25? Ix = 53.5 in⁴ about the strong axis and Iy = 20 in⁴ about the weak axis. The radius of gyration is rx = 2.7 in and ry = 1.65 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.