WT20X215.5 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 20.6 | 523.2 mm |
| Flange Width (bf) | 16.2 | 41.15 cm |
| Flange Thickness (tf) | 2.36 | 59.9 mm |
| Web Thickness (tw) | 1.34 | 34.0 mm |
| Area (A) | 63.3 in² | 408.4 cm² |
| Weight | 215.5 lb/ft | 320.7 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 2290 | 843 | in⁴ |
| Elastic Section Modulus (S) | 148 | 104 | in³ |
| Plastic Section Modulus (Z) | 266 | 164 | in³ |
| Radius of Gyration (r) | 6.01 | 3.65 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 88.2 | in⁴ |
| Warping Constant (Cw) | 881 | 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 WT20X215.5 tee? 215.5 lb/ft (320.7 kg/m).
What is the section modulus of WT20X215.5? Sx = 148 in³, Zx = 266 in³ (strong axis). Sy = 104 in³, Zy = 164 in³ (weak axis).
What steel grade is standard for WT20X215.5? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT20X215.5? Ix = 2290 in⁴ about the strong axis and Iy = 843 in⁴ about the weak axis. The radius of gyration is rx = 6.01 in and ry = 3.65 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.