WT18X165 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 18.8 | 477.5 mm |
| Flange Width (bf) | 16.6 | 42.16 cm |
| Flange Thickness (tf) | 1.85 | 47.0 mm |
| Web Thickness (tw) | 1.02 | 25.9 mm |
| Area (A) | 48.4 in² | 312.3 cm² |
| Weight | 165 lb/ft | 245.5 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 1410 | 711 | in⁴ |
| Elastic Section Modulus (S) | 97 | 85.5 | in³ |
| Plastic Section Modulus (Z) | 173 | 132 | in³ |
| Radius of Gyration (r) | 5.39 | 3.83 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 42 | in⁴ |
| Warping Constant (Cw) | 372 | 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 WT18X165 tee? 165 lb/ft (245.5 kg/m).
What is the section modulus of WT18X165? Sx = 97 in³, Zx = 173 in³ (strong axis). Sy = 85.5 in³, Zy = 132 in³ (weak axis).
What steel grade is standard for WT18X165? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT18X165? Ix = 1410 in⁴ about the strong axis and Iy = 711 in⁴ about the weak axis. The radius of gyration is rx = 5.39 in and ry = 3.83 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.