ST1.5X3.75 Steel ST-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 1.5 | 38.1 mm |
| Flange Width (bf) | 2.51 | 6.38 cm |
| Flange Thickness (tf) | 0.26 | 6.6 mm |
| Web Thickness (tw) | 0.349 | 8.9 mm |
| Area (A) | 1.1 in² | 7.1 cm² |
| Weight | 3.75 lb/ft | 5.6 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 0.2 | 0.289 | in⁴ |
| Elastic Section Modulus (S) | 0.187 | 0.23 | in³ |
| Plastic Section Modulus (Z) | 0.351 | 0.411 | in³ |
| Radius of Gyration (r) | 0.426 | 0.513 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.043 | in⁴ |
| Warping Constant (Cw) | 0.005 | 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 ST1.5X3.75 tee? 3.75 lb/ft (5.6 kg/m).
What is the section modulus of ST1.5X3.75? Sx = 0.187 in³, Zx = 0.351 in³ (strong axis). Sy = 0.23 in³, Zy = 0.411 in³ (weak axis).
What steel grade is standard for ST1.5X3.75? ASTM A36 (Fy = 36 ksi) for ST-shapes. Verify with mill certificate.
What is the moment of inertia of ST1.5X3.75? Ix = 0.2 in⁴ about the strong axis and Iy = 0.289 in⁴ about the weak axis. The radius of gyration is rx = 0.426 in and ry = 0.513 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.