C12X25 Steel C-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 12 | 304.8 mm |
| Flange Width (bf) | 3.05 | 7.75 cm |
| Flange Thickness (tf) | 0.501 | 12.7 mm |
| Web Thickness (tw) | 0.387 | 9.8 mm |
| Area (A) | 7.34 in² | 47.4 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) | 144 | 4.45 | in⁴ |
| Elastic Section Modulus (S) | 24 | 1.87 | in³ |
| Plastic Section Modulus (Z) | 29.4 | 3.82 | in³ |
| Radius of Gyration (r) | 4.43 | 0.779 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.538 | in⁴ |
| Warping Constant (Cw) | 130 | in⁶ |
| Distance Between Flange Centroids (ho) | 11.5 | in |
| Effective Radius (rts) | 1 | in |
Design Resources
- Beam Capacity Calculator — Check C12X25 for your span and loads
- 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 C12X25 channel? 25 lb/ft (37.2 kg/m).
What is the section modulus of C12X25? Sx = 24 in³, Zx = 29.4 in³ (strong axis). Sy = 1.87 in³, Zy = 3.82 in³ (weak axis).
What steel grade is standard for C12X25? ASTM A36 (Fy = 36 ksi) for channels. Verify with mill certificate.
What is the moment of inertia of C12X25? Ix = 144 in⁴ about the strong axis and Iy = 4.45 in⁴ about the weak axis. The radius of gyration is rx = 4.43 in and ry = 0.779 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.