WT18X175 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 19.3 | 490.2 mm |
| Flange Width (bf) | 12.6 | 32.00 cm |
| Flange Thickness (tf) | 2.32 | 58.9 mm |
| Web Thickness (tw) | 1.3 | 33.0 mm |
| Area (A) | 51.5 in² | 332.3 cm² |
| Weight | 175 lb/ft | 260.4 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 1720 | 390 | in⁴ |
| Elastic Section Modulus (S) | 123 | 61.9 | in³ |
| Plastic Section Modulus (Z) | 220 | 99.4 | in³ |
| Radius of Gyration (r) | 5.78 | 2.75 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 64.1 | in⁴ |
| Warping Constant (Cw) | 538 | 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 WT18X175 tee? 175 lb/ft (260.4 kg/m).
What is the section modulus of WT18X175? Sx = 123 in³, Zx = 220 in³ (strong axis). Sy = 61.9 in³, Zy = 99.4 in³ (weak axis).
What steel grade is standard for WT18X175? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT18X175? Ix = 1720 in⁴ about the strong axis and Iy = 390 in⁴ about the weak axis. The radius of gyration is rx = 5.78 in and ry = 2.75 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.