WT20X83.5 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 19.3 | 490.2 mm |
| Flange Width (bf) | 11.8 | 29.97 cm |
| Flange Thickness (tf) | 1.03 | 26.2 mm |
| Web Thickness (tw) | 0.65 | 16.5 mm |
| Area (A) | 24.5 in² | 158.1 cm² |
| Weight | 83.5 lb/ft | 124.3 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 899 | 141 | in⁴ |
| Elastic Section Modulus (S) | 63.7 | 23.9 | in³ |
| Plastic Section Modulus (Z) | 115 | 37.8 | in³ |
| Radius of Gyration (r) | 6.05 | 2.4 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 6.99 | in⁴ |
| Warping Constant (Cw) | 62.9 | 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 WT20X83.5 tee? 83.5 lb/ft (124.3 kg/m).
What is the section modulus of WT20X83.5? Sx = 63.7 in³, Zx = 115 in³ (strong axis). Sy = 23.9 in³, Zy = 37.8 in³ (weak axis).
What steel grade is standard for WT20X83.5? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT20X83.5? Ix = 899 in⁴ about the strong axis and Iy = 141 in⁴ about the weak axis. The radius of gyration is rx = 6.05 in and ry = 2.4 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.