Free Cold-Formed Double C-Section Calculator
Compute Area, Centroid, Moment of Inertia, Elastic and Plastic Section Moduli, and Radius of Gyration instantly. Enter dimensions manually or load standard steel databases.
⚙ Configuration
Section Geometry
Steel
Cold-Formed
Concrete
I-Section
Channel
T-Section
Angle
Double Angle
Box Section
Pipe
Dbl Channel
Builtup I Cov
Hybrid I
Hybrid U
Unit System
mm
cm
m
in
ft
No pre-loaded standard profiles in this category.
Dimension Settings
Depth/Diameter (t3)
t3
mm
Width (t2)
t2
mm
Thickness (tf)
tf
mm
Corner Radius (radius)
radius
mm
Lip Depth (lip)
lip
mm
Separation (dis)
dis
mm
Section Properties Results
Property
Sym
Value
Unit
Cross-sectional Area
A
322
mm²
Centroid location (X-axis)
xc
0
mm
Centroid location (Y-axis)
yc
37.5
mm
Strong Moment of Inertia
Ix
293529.5
mm⁴
Weak Moment of Inertia
Iy
140435.6667
mm⁴
Strong Elastic Modulus
Sx
7827.4533
mm³
Weak Elastic Modulus
Sy
3510.8917
mm³
Strong Radius of Gyration
rx
30.1924
mm
Weak Radius of Gyration
ry
20.8839
mm
Polar Moment of Inertia
J
433965.1667
mm⁴
🔍 Detailed Step-by-Step Derivation
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