WT20X198.5 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 20.5 | 520.7 mm |
| Flange Width (bf) | 16.1 | 40.89 cm |
| Flange Thickness (tf) | 2.2 | 55.9 mm |
| Web Thickness (tw) | 1.22 | 31.0 mm |
| Area (A) | 58.3 in² | 376.1 cm² |
| Weight | 198.5 lb/ft | 295.4 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 2070 | 771 | in⁴ |
| Elastic Section Modulus (S) | 134 | 95.7 | in³ |
| Plastic Section Modulus (Z) | 240 | 150 | in³ |
| Radius of Gyration (r) | 5.96 | 3.63 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 70.6 | in⁴ |
| Warping Constant (Cw) | 677 | 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 WT20X198.5 tee? 198.5 lb/ft (295.4 kg/m).
What is the section modulus of WT20X198.5? Sx = 134 in³, Zx = 240 in³ (strong axis). Sy = 95.7 in³, Zy = 150 in³ (weak axis).
What steel grade is standard for WT20X198.5? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT20X198.5? Ix = 2070 in⁴ about the strong axis and Iy = 771 in⁴ about the weak axis. The radius of gyration is rx = 5.96 in and ry = 3.63 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.