WT18X361.5 Steel WT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 20.9 | 530.9 mm |
| Flange Width (bf) | 17.8 | 45.21 cm |
| Flange Thickness (tf) | 3.9 | 99.1 mm |
| Web Thickness (tw) | 2.17 | 55.1 mm |
| Area (A) | 107 in² | 690.3 cm² |
| Weight | 361.5 lb/ft | 538.0 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 3610 | 1850 | in⁴ |
| Elastic Section Modulus (S) | 235 | 208 | in³ |
| Plastic Section Modulus (Z) | 434 | 329 | in³ |
| Radius of Gyration (r) | 5.81 | 4.16 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 390 | in⁴ |
| Warping Constant (Cw) | 4250 | 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 WT18X361.5 tee? 361.5 lb/ft (538.0 kg/m).
What is the section modulus of WT18X361.5? Sx = 235 in³, Zx = 434 in³ (strong axis). Sy = 208 in³, Zy = 329 in³ (weak axis).
What steel grade is standard for WT18X361.5? ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for WT-shapes. Verify with mill certificate.
What is the moment of inertia of WT18X361.5? Ix = 3610 in⁴ about the strong axis and Iy = 1850 in⁴ about the weak axis. The radius of gyration is rx = 5.81 in and ry = 4.16 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.