WT9X17.5 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 8.85 | 224.8 mm |
| Flange Width (bf) | 6 | 15.24 cm |
| Flange Thickness (tf) | 0.425 | 10.8 mm |
| Web Thickness (tw) | 0.3 | 7.6 mm |
| Area (A) | 5.15 in² | 33.2 cm² |
| Weight | 17.5 lb/ft | 26.0 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 40.1 | 7.67 | in⁴ |
| Elastic Section Modulus (S) | 6.21 | 2.56 | in³ |
| Plastic Section Modulus (Z) | 11.2 | 4.02 | in³ |
| Radius of Gyration (r) | 2.79 | 1.22 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.252 | in⁴ |
| Warping Constant (Cw) | 0.598 | 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 WT9X17.5 tee? 17.5 lb/ft (26.0 kg/m).
What is the section modulus of WT9X17.5? Sx = 6.21 in³, Zx = 11.2 in³ (strong axis). Sy = 2.56 in³, Zy = 4.02 in³ (weak axis).
What steel grade is standard for WT9X17.5? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT9X17.5? Ix = 40.1 in⁴ about the strong axis and Iy = 7.67 in⁴ about the weak axis. The radius of gyration is rx = 2.79 in and ry = 1.22 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.