
OUTPUT PARAMETERS 
Parameter 
Symbol 
Value 
Unit 
Designation 
 


 
Distance from outer face of flange to web toe of fillet 
k 


in 
Weight per unit length 
W 


lb/ft 
Cross section area 
A 


in^{2} 
Long Leg 
d 


in 
Short Leg 
b 


Thickness 
t 


Axis XX 
Area moment of inertia about X axis 
I_{x} 


in^{4} 
Elastic section modulus about X axis 
S_{x} 


in^{3} 
Radius of gyration about X axis 
r_{x} 


in 
Vertical distance from the outer edge of the angle leg to its centroid 
y 


in 
Plastic section modulus about X axis 
Z_{x} 


in^{3} 
Vertical distance from the designated edge of member to its plastic neutral axis

y_{p} 


in 
Axis YY 
Area moment of inertia about Y axis 
Iy 


in^{4} 
Elastic section modulus about Y axis 
S_{y} 


in^{3} 
Radius of gyration about Y axis 
r_{y} 


in 
Horizontal distance from the outer edge of the angle leg to its centroid 
x 


in 
Plastic section modulus about Y axis 
Z_{y} 


in^{3} 
Horizontal distance from the designated edge of member to its plastic neutral axis 
x_{p} 


in 
Axis ZZ 
Area moment of inertia about Z axis 
I_{z} 


in^{4} 
Elastic section modulus about Z axis 
S_{z} 


in^{3} 
Radius of gyration about Z axis 
r_{z} 


in 
Tangent of the angle of inclination wrt. Y axis 
Tan α



 
Flexural Torsional Properties 
Polar moment of area 
J 


in^{4} 
Warping constant 
C_{w} 


in^{6} 
Polar radius of gyration about the shear center 
ro 


in 
Reduction Factor for Unstiffened Slender Elements 
Q_{s} (F_{y} = 36 ksi) 


 
Workable gage ** 
g 


in 
g_{1} 


g_{2} 

