WT9X71.5 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 9.75 | 247.6 mm |
| Flange Width (bf) | 11.2 | 28.45 cm |
| Flange Thickness (tf) | 1.32 | 33.5 mm |
| Web Thickness (tw) | 0.73 | 18.5 mm |
| Area (A) | 21 in² | 135.5 cm² |
| Weight | 71.5 lb/ft | 106.4 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 142 | 156 | in⁴ |
| Elastic Section Modulus (S) | 18.5 | 27.7 | in³ |
| Plastic Section Modulus (Z) | 34 | 42.7 | in³ |
| Radius of Gyration (r) | 2.6 | 2.72 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 9.58 | in⁴ |
| Warping Constant (Cw) | 30.7 | 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 WT9X71.5 tee? 71.5 lb/ft (106.4 kg/m).
What is the section modulus of WT9X71.5? Sx = 18.5 in³, Zx = 34 in³ (strong axis). Sy = 27.7 in³, Zy = 42.7 in³ (weak axis).
What steel grade is standard for WT9X71.5? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT9X71.5? Ix = 142 in⁴ about the strong axis and Iy = 156 in⁴ about the weak axis. The radius of gyration is rx = 2.6 in and ry = 2.72 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.