WT9X155.5 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 11.2 | 284.5 mm |
| Flange Width (bf) | 12 | 30.48 cm |
| Flange Thickness (tf) | 2.74 | 69.6 mm |
| Web Thickness (tw) | 1.52 | 38.6 mm |
| Area (A) | 45.8 in² | 295.5 cm² |
| Weight | 155.5 lb/ft | 231.4 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 383 | 398 | in⁴ |
| Elastic Section Modulus (S) | 46.6 | 66.2 | in³ |
| Plastic Section Modulus (Z) | 90.6 | 104 | in³ |
| Radius of Gyration (r) | 2.89 | 2.95 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 87.2 | in⁴ |
| Warping Constant (Cw) | 339 | 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 WT9X155.5 tee? 155.5 lb/ft (231.4 kg/m).
What is the section modulus of WT9X155.5? Sx = 46.6 in³, Zx = 90.6 in³ (strong axis). Sy = 66.2 in³, Zy = 104 in³ (weak axis).
What steel grade is standard for WT9X155.5? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT9X155.5? Ix = 383 in⁴ about the strong axis and Iy = 398 in⁴ about the weak axis. The radius of gyration is rx = 2.89 in and ry = 2.95 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.