WT7X404 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 11.4 | 289.6 mm |
| Flange Width (bf) | 18.6 | 47.24 cm |
| Flange Thickness (tf) | 5.12 | 130.0 mm |
| Web Thickness (tw) | 3.74 | 95.0 mm |
| Area (A) | 119 in² | 767.7 cm² |
| Weight | 404 lb/ft | 601.2 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 898 | 2770 | in⁴ |
| Elastic Section Modulus (S) | 116 | 298 | in³ |
| Plastic Section Modulus (Z) | 249 | 465 | in³ |
| Radius of Gyration (r) | 2.75 | 4.82 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 898 | in⁴ |
| Warping Constant (Cw) | 7000 | 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 WT7X404 tee? 404 lb/ft (601.2 kg/m).
What is the section modulus of WT7X404? Sx = 116 in³, Zx = 249 in³ (strong axis). Sy = 298 in³, Zy = 465 in³ (weak axis).
What steel grade is standard for WT7X404? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT7X404? Ix = 898 in⁴ about the strong axis and Iy = 2770 in⁴ about the weak axis. The radius of gyration is rx = 2.75 in and ry = 4.82 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.