ST6X25 Steel ST-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 6 | 152.4 mm |
| Flange Width (bf) | 5.48 | 13.92 cm |
| Flange Thickness (tf) | 0.659 | 16.7 mm |
| Web Thickness (tw) | 0.687 | 17.4 mm |
| Area (A) | 7.33 in² | 47.3 cm² |
| Weight | 25 lb/ft | 37.2 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 25.1 | 7.79 | in⁴ |
| Elastic Section Modulus (S) | 6.04 | 2.84 | in³ |
| Plastic Section Modulus (Z) | 11 | 5.16 | in³ |
| Radius of Gyration (r) | 1.85 | 1.03 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 1.36 | in⁴ |
| Warping Constant (Cw) | 1.97 | 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 ST6X25 tee? 25 lb/ft (37.2 kg/m).
What is the section modulus of ST6X25? Sx = 6.04 in³, Zx = 11 in³ (strong axis). Sy = 2.84 in³, Zy = 5.16 in³ (weak axis).
What steel grade is standard for ST6X25? ASTM A36 (Fy = 36 ksi) for ST-shapes. Verify with mill certificate.
What is the moment of inertia of ST6X25? Ix = 25.1 in⁴ about the strong axis and Iy = 7.79 in⁴ about the weak axis. The radius of gyration is rx = 1.85 in and ry = 1.03 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.