WT8X38.5 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 8.26 | 209.8 mm |
| Flange Width (bf) | 10.3 | 26.16 cm |
| Flange Thickness (tf) | 0.76 | 19.3 mm |
| Web Thickness (tw) | 0.455 | 11.6 mm |
| Area (A) | 11.3 in² | 72.9 cm² |
| Weight | 38.5 lb/ft | 57.3 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 56.9 | 69.2 | in⁴ |
| Elastic Section Modulus (S) | 8.59 | 13.4 | in³ |
| Plastic Section Modulus (Z) | 15.3 | 20.5 | in³ |
| Radius of Gyration (r) | 2.24 | 2.47 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 1.78 | in⁴ |
| Warping Constant (Cw) | 4.61 | 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 WT8X38.5 tee? 38.5 lb/ft (57.3 kg/m).
What is the section modulus of WT8X38.5? Sx = 8.59 in³, Zx = 15.3 in³ (strong axis). Sy = 13.4 in³, Zy = 20.5 in³ (weak axis).
What steel grade is standard for WT8X38.5? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT8X38.5? Ix = 56.9 in⁴ about the strong axis and Iy = 69.2 in⁴ about the weak axis. The radius of gyration is rx = 2.24 in and ry = 2.47 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.