WT7X45 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 7.01 | 178.1 mm |
| Flange Width (bf) | 14.5 | 36.83 cm |
| Flange Thickness (tf) | 0.71 | 18.0 mm |
| Web Thickness (tw) | 0.44 | 11.2 mm |
| Area (A) | 13.2 in² | 85.2 cm² |
| Weight | 45 lb/ft | 67.0 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 36.5 | 181 | in⁴ |
| Elastic Section Modulus (S) | 6.16 | 25 | in³ |
| Plastic Section Modulus (Z) | 11.5 | 37.8 | in³ |
| Radius of Gyration (r) | 1.66 | 3.7 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 2.03 | in⁴ |
| Warping Constant (Cw) | 8.31 | 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 WT7X45 tee? 45 lb/ft (67.0 kg/m).
What is the section modulus of WT7X45? Sx = 6.16 in³, Zx = 11.5 in³ (strong axis). Sy = 25 in³, Zy = 37.8 in³ (weak axis).
What steel grade is standard for WT7X45? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT7X45? Ix = 36.5 in⁴ about the strong axis and Iy = 181 in⁴ about the weak axis. The radius of gyration is rx = 1.66 in and ry = 3.7 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.