WT12X73 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 12.4 | 315.0 mm |
| Flange Width (bf) | 12.9 | 32.77 cm |
| Flange Thickness (tf) | 1.09 | 27.7 mm |
| Web Thickness (tw) | 0.65 | 16.5 mm |
| Area (A) | 21.5 in² | 138.7 cm² |
| Weight | 73 lb/ft | 108.6 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 264 | 195 | in⁴ |
| Elastic Section Modulus (S) | 27.2 | 30.3 | in³ |
| Plastic Section Modulus (Z) | 48.2 | 46.6 | in³ |
| Radius of Gyration (r) | 3.5 | 3.01 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 6.7 | in⁴ |
| Warping Constant (Cw) | 31.9 | 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 WT12X73 tee? 73 lb/ft (108.6 kg/m).
What is the section modulus of WT12X73? Sx = 27.2 in³, Zx = 48.2 in³ (strong axis). Sy = 30.3 in³, Zy = 46.6 in³ (weak axis).
What steel grade is standard for WT12X73? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT12X73? Ix = 264 in⁴ about the strong axis and Iy = 195 in⁴ about the weak axis. The radius of gyration is rx = 3.5 in and ry = 3.01 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.