WT16.5X70.5 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 16.7 | 424.2 mm |
| Flange Width (bf) | 11.5 | 29.21 cm |
| Flange Thickness (tf) | 0.96 | 24.4 mm |
| Web Thickness (tw) | 0.605 | 15.4 mm |
| Area (A) | 20.7 in² | 133.5 cm² |
| Weight | 70.5 lb/ft | 104.9 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 552 | 123 | in⁴ |
| Elastic Section Modulus (S) | 44.7 | 21.3 | in³ |
| Plastic Section Modulus (Z) | 79.8 | 33.4 | in³ |
| Radius of Gyration (r) | 5.15 | 2.43 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 4.84 | in⁴ |
| Warping Constant (Cw) | 35.4 | 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 WT16.5X70.5 tee? 70.5 lb/ft (104.9 kg/m).
What is the section modulus of WT16.5X70.5? Sx = 44.7 in³, Zx = 79.8 in³ (strong axis). Sy = 21.3 in³, Zy = 33.4 in³ (weak axis).
What steel grade is standard for WT16.5X70.5? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT16.5X70.5? Ix = 552 in⁴ about the strong axis and Iy = 123 in⁴ about the weak axis. The radius of gyration is rx = 5.15 in and ry = 2.43 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.