WT10.5X31 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 10.5 | 266.7 mm |
| Flange Width (bf) | 8.24 | 20.93 cm |
| Flange Thickness (tf) | 0.615 | 15.6 mm |
| Web Thickness (tw) | 0.4 | 10.2 mm |
| Area (A) | 9.13 in² | 58.9 cm² |
| Weight | 31 lb/ft | 46.1 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 93.8 | 28.7 | in⁴ |
| Elastic Section Modulus (S) | 11.9 | 6.97 | in³ |
| Plastic Section Modulus (Z) | 21.1 | 10.9 | in³ |
| Radius of Gyration (r) | 3.21 | 1.77 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.913 | in⁴ |
| Warping Constant (Cw) | 2.78 | 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 WT10.5X31 tee? 31 lb/ft (46.1 kg/m).
What is the section modulus of WT10.5X31? Sx = 11.9 in³, Zx = 21.1 in³ (strong axis). Sy = 6.97 in³, Zy = 10.9 in³ (weak axis).
What steel grade is standard for WT10.5X31? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT10.5X31? Ix = 93.8 in⁴ about the strong axis and Iy = 28.7 in⁴ about the weak axis. The radius of gyration is rx = 3.21 in and ry = 1.77 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.