WT18X143 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 18.9 | 480.1 mm |
| Flange Width (bf) | 12.3 | 31.24 cm |
| Flange Thickness (tf) | 1.93 | 49.0 mm |
| Web Thickness (tw) | 1.06 | 26.9 mm |
| Area (A) | 42 in² | 271.0 cm² |
| Weight | 143 lb/ft | 212.8 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 1360 | 301 | in⁴ |
| Elastic Section Modulus (S) | 98 | 48.9 | in³ |
| Plastic Section Modulus (Z) | 175 | 77.8 | in³ |
| Radius of Gyration (r) | 5.69 | 2.68 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 36.2 | in⁴ |
| Warping Constant (Cw) | 284 | 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 WT18X143 tee? 143 lb/ft (212.8 kg/m).
What is the section modulus of WT18X143? Sx = 98 in³, Zx = 175 in³ (strong axis). Sy = 48.9 in³, Zy = 77.8 in³ (weak axis).
What steel grade is standard for WT18X143? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT18X143? Ix = 1360 in⁴ about the strong axis and Iy = 301 in⁴ about the weak axis. The radius of gyration is rx = 5.69 in and ry = 2.68 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.