ST1.5X2.85 Steel ST-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 1.5 | 38.1 mm |
| Flange Width (bf) | 2.33 | 5.92 cm |
| Flange Thickness (tf) | 0.26 | 6.6 mm |
| Web Thickness (tw) | 0.17 | 4.3 mm |
| Area (A) | 0.83 in² | 5.4 cm² |
| Weight | 2.85 lb/ft | 4.2 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 0.114 | 0.223 | in⁴ |
| Elastic Section Modulus (S) | 0.097 | 0.192 | in³ |
| Plastic Section Modulus (Z) | 0.196 | 0.328 | in³ |
| Radius of Gyration (r) | 0.37 | 0.518 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.022 | in⁴ |
| Warping Constant (Cw) | 0.002 | 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 ST1.5X2.85 tee? 2.85 lb/ft (4.2 kg/m).
What is the section modulus of ST1.5X2.85? Sx = 0.097 in³, Zx = 0.196 in³ (strong axis). Sy = 0.192 in³, Zy = 0.328 in³ (weak axis).
What steel grade is standard for ST1.5X2.85? ASTM A36 (Fy = 36 ksi) for ST-shapes. Verify with mill certificate.
What is the moment of inertia of ST1.5X2.85? Ix = 0.114 in⁴ about the strong axis and Iy = 0.223 in⁴ about the weak axis. The radius of gyration is rx = 0.37 in and ry = 0.518 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.