WT18X243.5 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 19.7 | 500.4 mm |
| Flange Width (bf) | 17.1 | 43.43 cm |
| Flange Thickness (tf) | 2.68 | 68.1 mm |
| Web Thickness (tw) | 1.5 | 38.1 mm |
| Area (A) | 71.7 in² | 462.6 cm² |
| Weight | 243.5 lb/ft | 362.4 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 2220 | 1120 | in⁴ |
| Elastic Section Modulus (S) | 150 | 131 | in³ |
| Plastic Section Modulus (Z) | 272 | 206 | in³ |
| Radius of Gyration (r) | 5.57 | 3.96 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 128 | in⁴ |
| Warping Constant (Cw) | 1250 | 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 WT18X243.5 tee? 243.5 lb/ft (362.4 kg/m).
What is the section modulus of WT18X243.5? Sx = 150 in³, Zx = 272 in³ (strong axis). Sy = 131 in³, Zy = 206 in³ (weak axis).
What steel grade is standard for WT18X243.5? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT18X243.5? Ix = 2220 in⁴ about the strong axis and Iy = 1120 in⁴ about the weak axis. The radius of gyration is rx = 5.57 in and ry = 3.96 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.