Designation
Diameter
D
[in]
Design Wall Thickness
t
[in]
Weight
W
[lb/ft]
Area
A
[in2]
Moment of Inertia
Ix
[in4]
Elastic Section Modulus
Sx
[in3]
Radius of Gyration
rx
[in]
Plastic Section Modulus
Zx
[in3]
Moment of Inertia
Iy
[in4]
Elastic Section Modulus
Sy
[in3]
Radius of Gyration
ry
[in]
Plastic Section Modulus
Zy
[in3]
St. Venant
J
[in4]
Warping
Cw
[in6]
Reference: Steel Construction Manual. 15th ed., American Institute of Steel Construction.