WT7X13 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 6.96 | 176.8 mm |
| Flange Width (bf) | 5.03 | 12.78 cm |
| Flange Thickness (tf) | 0.42 | 10.7 mm |
| Web Thickness (tw) | 0.255 | 6.5 mm |
| Area (A) | 3.85 in² | 24.8 cm² |
| Weight | 13 lb/ft | 19.3 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 17.3 | 4.45 | in⁴ |
| Elastic Section Modulus (S) | 3.31 | 1.77 | in³ |
| Plastic Section Modulus (Z) | 5.89 | 2.76 | in³ |
| Radius of Gyration (r) | 2.12 | 1.08 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.179 | in⁴ |
| Warping Constant (Cw) | 0.207 | 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 WT7X13 tee? 13 lb/ft (19.3 kg/m).
What is the section modulus of WT7X13? Sx = 3.31 in³, Zx = 5.89 in³ (strong axis). Sy = 1.77 in³, Zy = 2.76 in³ (weak axis).
What steel grade is standard for WT7X13? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT7X13? Ix = 17.3 in⁴ about the strong axis and Iy = 4.45 in⁴ about the weak axis. The radius of gyration is rx = 2.12 in and ry = 1.08 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.