MC12X14.3 Steel MC-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 12 | 304.8 mm |
| Flange Width (bf) | 2.12 | 5.38 cm |
| Flange Thickness (tf) | 0.313 | 8.0 mm |
| Web Thickness (tw) | 0.25 | 6.3 mm |
| Area (A) | 4.18 in² | 27.0 cm² |
| Weight | 14.3 lb/ft | 21.3 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 76.1 | 1 | in⁴ |
| Elastic Section Modulus (S) | 12.7 | 0.574 | in³ |
| Plastic Section Modulus (Z) | 15.9 | 1.21 | in³ |
| Radius of Gyration (r) | 4.27 | 0.489 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.117 | in⁴ |
| Warping Constant (Cw) | 32.8 | in⁶ |
| Distance Between Flange Centroids (ho) | 11.7 | in |
| Effective Radius (rts) | 0.672 | in |
Design Resources
- Beam Capacity Calculator — Check MC12X14.3 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 MC12X14.3 channel? 14.3 lb/ft (21.3 kg/m).
What is the section modulus of MC12X14.3? Sx = 12.7 in³, Zx = 15.9 in³ (strong axis). Sy = 0.574 in³, Zy = 1.21 in³ (weak axis).
What steel grade is standard for MC12X14.3? ASTM A36 (Fy = 36 ksi) for MC-shapes. Verify with mill certificate.
What is the moment of inertia of MC12X14.3? Ix = 76.1 in⁴ about the strong axis and Iy = 1 in⁴ about the weak axis. The radius of gyration is rx = 4.27 in and ry = 0.489 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.