Notation

The following notation has been adopted within Section Maker.

Property	Description
D	Depth
B	Width (or breadth)
tw	Web thickness
tf	Flange thickness
Fillet radius	Radius of fillets in the section
Toe radius	Radius of toes in the section
d1, d2	Minor depth dimensions
b1, b2	Minor width dimensions
taper	Taper angle
xl	Position of left extent of section
xr	Position of right extent of section
yt	Position of top extent of section
yb	Position of bottom extent of section

Property	Description
Mass	Mass per unit length
Area	Cross sectional area
P	Distance around perimeter of section
xc, yc	Position of centroid
xs, ys	Position of shear centre
Ix	Moment of inertia about x axis
Iy	Moment of inertia about y axis
J	Torsion constant
Iw	Warping constant
Zxt	Elastic Modulus about x axis at top of section
Zxb	Elastic Modulus about x axis at bottom of section
Zyl	Elastic Modulus about y axis at left of section
Zyr	Elastic Modulus about y axis at right of section
rx	Radius of gyration about x axis
ry	Radius of gyration about y axis
Ixc	Mmt of inertia about x axis through centroid
Iyc	Mmt of inertia about y axis through centroid
Ixyc	Product of inertia about centroid
I1	Mmt of inertia about major axis through centroid
I2	Mmt of inertia about minor axis through centroid
Ø	Angle of major axis from x axis
Asx	Shear area for shear in the minor (x) direction
Asy	Shear area for shear in the major (y) direction
Z1t	Elastic Modulus about principal axis at top of section
Z1b	Elastic Modulus about principal axis at bottom of section
Z2l	Elastic Modulus about minor principal axis at left of section
Z2r	Elastic Modulus about minor principal axis at right of section
xp, yp	Position of plastic axis
Sx	Plastic Modulus about x-axis
Sy	Plastic Modulus about y-axis
S1	Plastic Modulus about major principal axis
S2	Plastic Modulus about minor principal axis

Property	Description
Mass	Mass per unit length
Area	Cross sectional area
P	Distance around perimeter of section
xc, yc	Position of centroid
xs, ys	Position of shear centre
Ix	Moment of inertia about x axis
Iy	Moment of inertia about y axis
J	Torsion constant
Cw	Warping constant
Sxt	Elastic Modulus about x axis at top of section
Sxb	Elastic Modulus about x axis at bottom of section
Syl	Elastic Modulus about y axis at left of section
Syr	Elastic Modulus about y axis at right of section
rx	Radius of gyration about x axis
ry	Radius of gyration about y axis
Ixc	Mmt of inertia about x axis through centroid
Iyc	Mmt of inertia about y axis through centroid
Ixyc	Product of inertia about centroid
I1	Mmt of inertia about major axis through centroid
I2	Mmt of inertia about minor axis through centroid
Ø	Angle of major axis from x axis
Asx	Shear area for shear in the minor (x) direction
Asy	Shear area for shear in the major (y) direction
S1t	Elastic Modulus about principal axis at top of section
S1b	Elastic Modulus about principal axis at bottom of section
S2l	Elastic Modulus about minor principal axis at left of section
S2r	Elastic Modulus about minor principal axis at right of section
xp, yp	Position of plastic axis
Zx	Plastic Modulus about y axis
Zx	Plastic Modulus about zaxis
Z1	Plastic Modulus about major principal axis
Z2	Plastic Modulus about minor principal axis
R0	Polar radius of gyration about shear centre (See AISC LRFD Appendix E)
H	Flexural Constant (See AISC LRFD Appendix E)

Property	Description
Mass	Mass per unit length
Area	Cross sectional area
P	Distance around perimeter of section
yc, zc	Position of centroid
ys, zs	Position of shear centre
Iy	Moment of inertia about x axis
Iz	Moment of inertia about y axis
It	Torsion constant
Cw	Warping constant
Wel.y.1	Elastic Modulus about y axis at top of section
Wel.y.1	Elastic Modulus about y axis at bottom of section
Wel.z.2	Elastic Modulus about z axis at left of section
Wel.z.2	Elastic Modulus about z axis at right of section
Iy	Radius of gyration about y axis
Iz	Radius of gyration about z axis
Iyc	Mmt of inertia about y axis through centroid
Izc	Mmt of inertia about z axis through centroid
Iyzc	Product of inertia about centroid
Iu	Mmt of inertia about major axis through centroid
Iv	Mmt of inertia about minor axis through centroid
Ø	Angle of major axis from x axis
Asy	Shear area for shear in the minor (y) direction
Asz	Shear area for shear in the major (z) direction
Wel.u.1	Elastic Modulus about principal axis at top of section
Wel.u.2	Elastic Modulus about principal axis at bottom of section
Wel.v.1	Elastic Modulus about minor principal axis at left of section
Wel.v.2	Elastic Modulus about minor principal axis at right of section
yp, zp	Position of plastic axis
Wpl.y	Plastic Modulus about y-axis
Wpl.z	Plastic Modulus about z-axis