ST2X4.75 Steel ST-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 2 | 50.8 mm |
| Flange Width (bf) | 2.8 | 7.11 cm |
| Flange Thickness (tf) | 0.293 | 7.4 mm |
| Web Thickness (tw) | 0.326 | 8.3 mm |
| Area (A) | 1.4 in² | 9.0 cm² |
| Weight | 4.75 lb/ft | 7.1 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 0.462 | 0.444 | in⁴ |
| Elastic Section Modulus (S) | 0.319 | 0.317 | in³ |
| Plastic Section Modulus (Z) | 0.592 | 0.565 | in³ |
| Radius of Gyration (r) | 0.575 | 0.564 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.059 | in⁴ |
| Warping Constant (Cw) | 0.01 | 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 ST2X4.75 tee? 4.75 lb/ft (7.1 kg/m).
What is the section modulus of ST2X4.75? Sx = 0.319 in³, Zx = 0.592 in³ (strong axis). Sy = 0.317 in³, Zy = 0.565 in³ (weak axis).
What steel grade is standard for ST2X4.75? ASTM A36 (Fy = 36 ksi) for ST-shapes. Verify with mill certificate.
What is the moment of inertia of ST2X4.75? Ix = 0.462 in⁴ about the strong axis and Iy = 0.444 in⁴ about the weak axis. The radius of gyration is rx = 0.575 in and ry = 0.564 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.