WT9X38 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 9.11 | 231.4 mm |
| Flange Width (bf) | 11 | 27.94 cm |
| Flange Thickness (tf) | 0.68 | 17.3 mm |
| Web Thickness (tw) | 0.425 | 10.8 mm |
| Area (A) | 11.1 in² | 71.6 cm² |
| Weight | 38 lb/ft | 56.6 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 71.8 | 76.2 | in⁴ |
| Elastic Section Modulus (S) | 9.83 | 13.8 | in³ |
| Plastic Section Modulus (Z) | 17.3 | 21.1 | in³ |
| Radius of Gyration (r) | 2.54 | 2.61 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 1.41 | in⁴ |
| Warping Constant (Cw) | 4.37 | 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 WT9X38 tee? 38 lb/ft (56.6 kg/m).
What is the section modulus of WT9X38? Sx = 9.83 in³, Zx = 17.3 in³ (strong axis). Sy = 13.8 in³, Zy = 21.1 in³ (weak axis).
What steel grade is standard for WT9X38? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT9X38? Ix = 71.8 in⁴ about the strong axis and Iy = 76.2 in⁴ about the weak axis. The radius of gyration is rx = 2.54 in and ry = 2.61 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.