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DIMENSIONS
Side
a
mm
Side
b
mm
Side
a
1
mm
Side
b1
mm
SECTION PROPERTIES
Perimeter outside
P
mm
Perimeter inside
P
mm
Area
A
mm
2
Centroid
CG
x
mm
CG
y
mm
Second Moment of Area
I
x
mm
4
I
y
mm
4
I
x1
mm
4
I
y1
mm
4
Polar Moment of Inertia
J
z
mm
4
J
z1
mm
4
Radius of Gyration
i
x
mm
i
y
mm
i
z
mm
i
x1
mm
i
y1
mm
i
z1
mm
Elastic Section Modulus
W
x
mm
3
W
y
mm
3