WT18X116 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 18.6 | 472.4 mm |
| Flange Width (bf) | 12.1 | 30.73 cm |
| Flange Thickness (tf) | 1.57 | 39.9 mm |
| Web Thickness (tw) | 0.87 | 22.1 mm |
| Area (A) | 34 in² | 219.4 cm² |
| Weight | 116 lb/ft | 172.6 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 1080 | 234 | in⁴ |
| Elastic Section Modulus (S) | 78.5 | 38.6 | in³ |
| Plastic Section Modulus (Z) | 140 | 60.9 | in³ |
| Radius of Gyration (r) | 5.63 | 2.62 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 19.7 | in⁴ |
| Warping Constant (Cw) | 151 | 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 WT18X116 tee? 116 lb/ft (172.6 kg/m).
What is the section modulus of WT18X116? Sx = 78.5 in³, Zx = 140 in³ (strong axis). Sy = 38.6 in³, Zy = 60.9 in³ (weak axis).
What steel grade is standard for WT18X116? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT18X116? Ix = 1080 in⁴ about the strong axis and Iy = 234 in⁴ about the weak axis. The radius of gyration is rx = 5.63 in and ry = 2.62 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.