WT7X11 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 6.87 | 174.5 mm |
| Flange Width (bf) | 5 | 12.70 cm |
| Flange Thickness (tf) | 0.335 | 8.5 mm |
| Web Thickness (tw) | 0.23 | 5.8 mm |
| Area (A) | 3.25 in² | 21.0 cm² |
| Weight | 11 lb/ft | 16.4 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 14.8 | 3.5 | in⁴ |
| Elastic Section Modulus (S) | 2.91 | 1.4 | in³ |
| Plastic Section Modulus (Z) | 5.2 | 2.19 | in³ |
| Radius of Gyration (r) | 2.14 | 1.04 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.104 | in⁴ |
| Warping Constant (Cw) | 0.134 | 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 WT7X11 tee? 11 lb/ft (16.4 kg/m).
What is the section modulus of WT7X11? Sx = 2.91 in³, Zx = 5.2 in³ (strong axis). Sy = 1.4 in³, Zy = 2.19 in³ (weak axis).
What steel grade is standard for WT7X11? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT7X11? Ix = 14.8 in⁴ about the strong axis and Iy = 3.5 in⁴ about the weak axis. The radius of gyration is rx = 2.14 in and ry = 1.04 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.