MC8X22.8 Steel MC-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 8 | 203.2 mm |
| Flange Width (bf) | 3.5 | 8.89 cm |
| Flange Thickness (tf) | 0.525 | 13.3 mm |
| Web Thickness (tw) | 0.427 | 10.8 mm |
| Area (A) | 6.7 in² | 43.2 cm² |
| Weight | 22.8 lb/ft | 33.9 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 63.8 | 7.01 | in⁴ |
| Elastic Section Modulus (S) | 15.9 | 2.81 | in³ |
| Plastic Section Modulus (Z) | 19.1 | 5.37 | in³ |
| Radius of Gyration (r) | 3.09 | 1.02 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.572 | in⁴ |
| Warping Constant (Cw) | 75.2 | in⁶ |
| Distance Between Flange Centroids (ho) | 7.48 | in |
| Effective Radius (rts) | 1.2 | in |
Design Resources
- Beam Capacity Calculator — Check MC8X22.8 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 MC8X22.8 channel? 22.8 lb/ft (33.9 kg/m).
What is the section modulus of MC8X22.8? Sx = 15.9 in³, Zx = 19.1 in³ (strong axis). Sy = 2.81 in³, Zy = 5.37 in³ (weak axis).
What steel grade is standard for MC8X22.8? ASTM A36 (Fy = 36 ksi) for MC-shapes. Verify with mill certificate.
What is the moment of inertia of MC8X22.8? Ix = 63.8 in⁴ about the strong axis and Iy = 7.01 in⁴ about the weak axis. The radius of gyration is rx = 3.09 in and ry = 1.02 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.