WT9X30 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 9.12 | 231.6 mm |
| Flange Width (bf) | 7.56 | 19.20 cm |
| Flange Thickness (tf) | 0.695 | 17.7 mm |
| Web Thickness (tw) | 0.415 | 10.5 mm |
| Area (A) | 8.82 in² | 56.9 cm² |
| Weight | 30 lb/ft | 44.6 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 64.7 | 25 | in⁴ |
| Elastic Section Modulus (S) | 9.29 | 6.63 | in³ |
| Plastic Section Modulus (Z) | 16.5 | 10.3 | in³ |
| Radius of Gyration (r) | 2.71 | 1.68 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 1.08 | in⁴ |
| Warping Constant (Cw) | 2.35 | 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 WT9X30 tee? 30 lb/ft (44.6 kg/m).
What is the section modulus of WT9X30? Sx = 9.29 in³, Zx = 16.5 in³ (strong axis). Sy = 6.63 in³, Zy = 10.3 in³ (weak axis).
What steel grade is standard for WT9X30? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT9X30? Ix = 64.7 in⁴ about the strong axis and Iy = 25 in⁴ about the weak axis. The radius of gyration is rx = 2.71 in and ry = 1.68 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.