ST4X9.2 Steel ST-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 4 | 101.6 mm |
| Flange Width (bf) | 4 | 10.16 cm |
| Flange Thickness (tf) | 0.425 | 10.8 mm |
| Web Thickness (tw) | 0.271 | 6.9 mm |
| Area (A) | 2.7 in² | 17.4 cm² |
| Weight | 9.2 lb/ft | 13.7 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 3.49 | 1.84 | in⁴ |
| Elastic Section Modulus (S) | 1.14 | 0.922 | in³ |
| Plastic Section Modulus (Z) | 2.07 | 1.59 | in³ |
| Radius of Gyration (r) | 1.14 | 0.827 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.167 | in⁴ |
| Warping Constant (Cw) | 0.064 | 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 ST4X9.2 tee? 9.2 lb/ft (13.7 kg/m).
What is the section modulus of ST4X9.2? Sx = 1.14 in³, Zx = 2.07 in³ (strong axis). Sy = 0.922 in³, Zy = 1.59 in³ (weak axis).
What steel grade is standard for ST4X9.2? ASTM A36 (Fy = 36 ksi) for ST-shapes. Verify with mill certificate.
What is the moment of inertia of ST4X9.2? Ix = 3.49 in⁴ about the strong axis and Iy = 1.84 in⁴ about the weak axis. The radius of gyration is rx = 1.14 in and ry = 0.827 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.