C9X13.4 Steel C-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 9 | 228.6 mm |
| Flange Width (bf) | 2.43 | 6.17 cm |
| Flange Thickness (tf) | 0.413 | 10.5 mm |
| Web Thickness (tw) | 0.233 | 5.9 mm |
| Area (A) | 3.94 in² | 25.4 cm² |
| Weight | 13.4 lb/ft | 19.9 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 47.8 | 1.75 | in⁴ |
| Elastic Section Modulus (S) | 10.6 | 0.954 | in³ |
| Plastic Section Modulus (Z) | 12.6 | 1.94 | in³ |
| Radius of Gyration (r) | 3.48 | 0.666 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.168 | in⁴ |
| Warping Constant (Cw) | 28.2 | in⁶ |
| Distance Between Flange Centroids (ho) | 8.59 | in |
| Effective Radius (rts) | 0.814 | in |
Design Resources
- Beam Capacity Calculator — Check C9X13.4 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 C9X13.4 channel? 13.4 lb/ft (19.9 kg/m).
What is the section modulus of C9X13.4? Sx = 10.6 in³, Zx = 12.6 in³ (strong axis). Sy = 0.954 in³, Zy = 1.94 in³ (weak axis).
What steel grade is standard for C9X13.4? ASTM A36 (Fy = 36 ksi) for channels. Verify with mill certificate.
What is the moment of inertia of C9X13.4? Ix = 47.8 in⁴ about the strong axis and Iy = 1.75 in⁴ about the weak axis. The radius of gyration is rx = 3.48 in and ry = 0.666 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.