MT4X3.25 Steel MT-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 4 | 101.6 mm |
| Flange Width (bf) | 2.28 | 5.79 cm |
| Flange Thickness (tf) | 0.189 | 4.8 mm |
| Web Thickness (tw) | 0.135 | 3.4 mm |
| Area (A) | 0.959 in² | 6.2 cm² |
| Weight | 3.25 lb/ft | 4.8 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 1.57 | 0.188 | in⁴ |
| Elastic Section Modulus (S) | 0.558 | 0.165 | in³ |
| Plastic Section Modulus (Z) | 1.01 | 0.264 | in³ |
| Radius of Gyration (r) | 1.29 | 0.444 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.009 | 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 MT4X3.25 tee? 3.25 lb/ft (4.8 kg/m).
What is the section modulus of MT4X3.25? Sx = 0.558 in³, Zx = 1.01 in³ (strong axis). Sy = 0.165 in³, Zy = 0.264 in³ (weak axis).
What steel grade is standard for MT4X3.25? ASTM A36 (Fy = 36 ksi) for MT-shapes. Verify with mill certificate.
What is the moment of inertia of MT4X3.25? Ix = 1.57 in⁴ about the strong axis and Iy = 0.188 in⁴ about the weak axis. The radius of gyration is rx = 1.29 in and ry = 0.444 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.