WT7X17 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 6.99 | 177.5 mm |
| Flange Width (bf) | 6.75 | 17.14 cm |
| Flange Thickness (tf) | 0.455 | 11.6 mm |
| Web Thickness (tw) | 0.285 | 7.2 mm |
| Area (A) | 5 in² | 32.3 cm² |
| Weight | 17 lb/ft | 25.3 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 20.9 | 11.6 | in⁴ |
| Elastic Section Modulus (S) | 3.83 | 3.45 | in³ |
| Plastic Section Modulus (Z) | 6.74 | 5.32 | in³ |
| Radius of Gyration (r) | 2.04 | 1.53 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.284 | in⁴ |
| Warping Constant (Cw) | 0.4 | 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 WT7X17 tee? 17 lb/ft (25.3 kg/m).
What is the section modulus of WT7X17? Sx = 3.83 in³, Zx = 6.74 in³ (strong axis). Sy = 3.45 in³, Zy = 5.32 in³ (weak axis).
What steel grade is standard for WT7X17? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT7X17? Ix = 20.9 in⁴ about the strong axis and Iy = 11.6 in⁴ about the weak axis. The radius of gyration is rx = 2.04 in and ry = 1.53 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.