MC7X19.1 Steel MC-shape — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 7 | 177.8 mm |
| Flange Width (bf) | 3.45 | 8.76 cm |
| Flange Thickness (tf) | 0.5 | 12.7 mm |
| Web Thickness (tw) | 0.352 | 8.9 mm |
| Area (A) | 5.61 in² | 36.2 cm² |
| Weight | 19.1 lb/ft | 28.4 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 43.1 | 6.06 | in⁴ |
| Elastic Section Modulus (S) | 12.3 | 2.55 | in³ |
| Plastic Section Modulus (Z) | 14.5 | 4.85 | in³ |
| Radius of Gyration (r) | 2.77 | 1.04 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.407 | in⁴ |
| Warping Constant (Cw) | 49.3 | in⁶ |
| Distance Between Flange Centroids (ho) | 6.5 | in |
| Effective Radius (rts) | 1.19 | in |
Design Resources
- Beam Capacity Calculator — Check MC7X19.1 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 MC7X19.1 channel? 19.1 lb/ft (28.4 kg/m).
What is the section modulus of MC7X19.1? Sx = 12.3 in³, Zx = 14.5 in³ (strong axis). Sy = 2.55 in³, Zy = 4.85 in³ (weak axis).
What steel grade is standard for MC7X19.1? ASTM A36 (Fy = 36 ksi) for MC-shapes. Verify with mill certificate.
What is the moment of inertia of MC7X19.1? Ix = 43.1 in⁴ about the strong axis and Iy = 6.06 in⁴ about the weak axis. The radius of gyration is rx = 2.77 in and ry = 1.04 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.