C10X20 Steel C-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 10 | 254.0 mm |
| Flange Width (bf) | 2.74 | 6.96 cm |
| Flange Thickness (tf) | 0.436 | 11.1 mm |
| Web Thickness (tw) | 0.379 | 9.6 mm |
| Area (A) | 5.87 in² | 37.9 cm² |
| Weight | 20 lb/ft | 29.8 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 78.9 | 2.8 | in⁴ |
| Elastic Section Modulus (S) | 15.8 | 1.31 | in³ |
| Plastic Section Modulus (Z) | 19.4 | 2.7 | in³ |
| Radius of Gyration (r) | 3.67 | 0.69 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.368 | in⁴ |
| Warping Constant (Cw) | 56.9 | in⁶ |
| Distance Between Flange Centroids (ho) | 9.56 | in |
| Effective Radius (rts) | 0.894 | in |
Design Resources
- Beam Capacity Calculator — Check C10X20 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 C10X20 channel? 20 lb/ft (29.8 kg/m).
What is the section modulus of C10X20? Sx = 15.8 in³, Zx = 19.4 in³ (strong axis). Sy = 1.31 in³, Zy = 2.7 in³ (weak axis).
What steel grade is standard for C10X20? ASTM A36 (Fy = 36 ksi) for channels. Verify with mill certificate.
What is the moment of inertia of C10X20? Ix = 78.9 in⁴ about the strong axis and Iy = 2.8 in⁴ about the weak axis. The radius of gyration is rx = 3.67 in and ry = 0.69 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.