WT7X30.5 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 6.95 | 176.5 mm |
| Flange Width (bf) | 10 | 25.40 cm |
| Flange Thickness (tf) | 0.645 | 16.4 mm |
| Web Thickness (tw) | 0.375 | 9.5 mm |
| Area (A) | 8.96 in² | 57.8 cm² |
| Weight | 30.5 lb/ft | 45.4 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 28.9 | 53.7 | in⁴ |
| Elastic Section Modulus (S) | 5.07 | 10.7 | in³ |
| Plastic Section Modulus (Z) | 9.15 | 16.4 | in³ |
| Radius of Gyration (r) | 1.8 | 2.45 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 1.09 | in⁴ |
| Warping Constant (Cw) | 2.29 | 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 WT7X30.5 tee? 30.5 lb/ft (45.4 kg/m).
What is the section modulus of WT7X30.5? Sx = 5.07 in³, Zx = 9.15 in³ (strong axis). Sy = 10.7 in³, Zy = 16.4 in³ (weak axis).
What steel grade is standard for WT7X30.5? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT7X30.5? Ix = 28.9 in⁴ about the strong axis and Iy = 53.7 in⁴ about the weak axis. The radius of gyration is rx = 1.8 in and ry = 2.45 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.