WT20X147 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 20.2 | 513.1 mm |
| Flange Width (bf) | 12 | 30.48 cm |
| Flange Thickness (tf) | 1.93 | 49.0 mm |
| Web Thickness (tw) | 1.06 | 26.9 mm |
| Area (A) | 43.1 in² | 278.1 cm² |
| Weight | 147 lb/ft | 218.8 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 1630 | 281 | in⁴ |
| Elastic Section Modulus (S) | 111 | 46.7 | in³ |
| Plastic Section Modulus (Z) | 199 | 75 | in³ |
| Radius of Gyration (r) | 6.14 | 2.55 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 38.2 | in⁴ |
| Warping Constant (Cw) | 322 | 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 WT20X147 tee? 147 lb/ft (218.8 kg/m).
What is the section modulus of WT20X147? Sx = 111 in³, Zx = 199 in³ (strong axis). Sy = 46.7 in³, Zy = 75 in³ (weak axis).
What steel grade is standard for WT20X147? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT20X147? Ix = 1630 in⁴ about the strong axis and Iy = 281 in⁴ about the weak axis. The radius of gyration is rx = 6.14 in and ry = 2.55 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.