WT12X38 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 12 | 304.8 mm |
| Flange Width (bf) | 8.99 | 22.83 cm |
| Flange Thickness (tf) | 0.68 | 17.3 mm |
| Web Thickness (tw) | 0.44 | 11.2 mm |
| Area (A) | 11.2 in² | 72.3 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) | 151 | 41.3 | in⁴ |
| Elastic Section Modulus (S) | 16.9 | 9.18 | in³ |
| Plastic Section Modulus (Z) | 30.1 | 14.3 | in³ |
| Radius of Gyration (r) | 3.68 | 1.92 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 1.34 | in⁴ |
| Warping Constant (Cw) | 5.3 | 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 WT12X38 tee? 38 lb/ft (56.6 kg/m).
What is the section modulus of WT12X38? Sx = 16.9 in³, Zx = 30.1 in³ (strong axis). Sy = 9.18 in³, Zy = 14.3 in³ (weak axis).
What steel grade is standard for WT12X38? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT12X38? Ix = 151 in⁴ about the strong axis and Iy = 41.3 in⁴ about the weak axis. The radius of gyration is rx = 3.68 in and ry = 1.92 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.