WT12X47 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 12.2 | 309.9 mm |
| Flange Width (bf) | 9.07 | 23.04 cm |
| Flange Thickness (tf) | 0.875 | 22.2 mm |
| Web Thickness (tw) | 0.515 | 13.1 mm |
| Area (A) | 13.8 in² | 89.0 cm² |
| Weight | 47 lb/ft | 69.9 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 186 | 54.5 | in⁴ |
| Elastic Section Modulus (S) | 20.3 | 12 | in³ |
| Plastic Section Modulus (Z) | 36.1 | 18.7 | in³ |
| Radius of Gyration (r) | 3.67 | 1.98 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 2.62 | in⁴ |
| Warping Constant (Cw) | 9.57 | 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 WT12X47 tee? 47 lb/ft (69.9 kg/m).
What is the section modulus of WT12X47? Sx = 20.3 in³, Zx = 36.1 in³ (strong axis). Sy = 12 in³, Zy = 18.7 in³ (weak axis).
What steel grade is standard for WT12X47? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT12X47? Ix = 186 in⁴ about the strong axis and Iy = 54.5 in⁴ about the weak axis. The radius of gyration is rx = 3.67 in and ry = 1.98 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.