C9X15 Steel C-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 9 | 228.6 mm |
| Flange Width (bf) | 2.49 | 6.32 cm |
| Flange Thickness (tf) | 0.413 | 10.5 mm |
| Web Thickness (tw) | 0.285 | 7.2 mm |
| Area (A) | 4.4 in² | 28.4 cm² |
| Weight | 15 lb/ft | 22.3 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 51 | 1.91 | in⁴ |
| Elastic Section Modulus (S) | 11.3 | 1.01 | in³ |
| Plastic Section Modulus (Z) | 13.6 | 2.04 | in³ |
| Radius of Gyration (r) | 3.4 | 0.659 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.208 | in⁴ |
| Warping Constant (Cw) | 31 | in⁶ |
| Distance Between Flange Centroids (ho) | 8.59 | in |
| Effective Radius (rts) | 0.825 | in |
Design Resources
- Beam Capacity Calculator — Check C9X15 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 C9X15 channel? 15 lb/ft (22.3 kg/m).
What is the section modulus of C9X15? Sx = 11.3 in³, Zx = 13.6 in³ (strong axis). Sy = 1.01 in³, Zy = 2.04 in³ (weak axis).
What steel grade is standard for C9X15? ASTM A36 (Fy = 36 ksi) for channels. Verify with mill certificate.
What is the moment of inertia of C9X15? Ix = 51 in⁴ about the strong axis and Iy = 1.91 in⁴ about the weak axis. The radius of gyration is rx = 3.4 in and ry = 0.659 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.