WT12X34 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 11.9 | 302.3 mm |
| Flange Width (bf) | 8.97 | 22.78 cm |
| Flange Thickness (tf) | 0.585 | 14.9 mm |
| Web Thickness (tw) | 0.415 | 10.5 mm |
| Area (A) | 10 in² | 64.5 cm² |
| Weight | 34 lb/ft | 50.6 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 137 | 35.2 | in⁴ |
| Elastic Section Modulus (S) | 15.6 | 7.85 | in³ |
| Plastic Section Modulus (Z) | 27.9 | 12.3 | in³ |
| Radius of Gyration (r) | 3.7 | 1.87 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.932 | in⁴ |
| Warping Constant (Cw) | 4.08 | 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 WT12X34 tee? 34 lb/ft (50.6 kg/m).
What is the section modulus of WT12X34? Sx = 15.6 in³, Zx = 27.9 in³ (strong axis). Sy = 7.85 in³, Zy = 12.3 in³ (weak axis).
What steel grade is standard for WT12X34? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT12X34? Ix = 137 in⁴ about the strong axis and Iy = 35.2 in⁴ about the weak axis. The radius of gyration is rx = 3.7 in and ry = 1.87 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.