WT20X117.5 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 19.8 | 502.9 mm |
| Flange Width (bf) | 11.9 | 30.23 cm |
| Flange Thickness (tf) | 1.58 | 40.1 mm |
| Web Thickness (tw) | 0.83 | 21.1 mm |
| Area (A) | 34.6 in² | 223.2 cm² |
| Weight | 117.5 lb/ft | 174.9 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 1260 | 222 | in⁴ |
| Elastic Section Modulus (S) | 85.7 | 37.3 | in³ |
| Plastic Section Modulus (Z) | 153 | 59 | in³ |
| Radius of Gyration (r) | 6.04 | 2.54 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 20.6 | in⁴ |
| Warping Constant (Cw) | 156 | 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 WT20X117.5 tee? 117.5 lb/ft (174.9 kg/m).
What is the section modulus of WT20X117.5? Sx = 85.7 in³, Zx = 153 in³ (strong axis). Sy = 37.3 in³, Zy = 59 in³ (weak axis).
What steel grade is standard for WT20X117.5? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT20X117.5? Ix = 1260 in⁴ about the strong axis and Iy = 222 in⁴ about the weak axis. The radius of gyration is rx = 6.04 in and ry = 2.54 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.