AISC 13th Edition Ultimate Structural Shapes Properties Viewer

Engineering Materials | Beam Deflection & Stress Calculators

This is an AISC structural shapes properties viewer for w-flange, s-flange,wt, st, mt shapes, double angles, rectangular shapes, rounds shapes and more.

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NOMENCLATURE FOR AISC VERSION 13.0 MEMBER PROPERTIES AND DIMENSIONS:          
          
A = Cross-sectional area of member (in.^2)         
d = Depth of member, parallel to Y-axis (in.)         
h = Depth of member, parallel to Y-axis (in.)         
tw = Thickness of web of member (in.)         
bf = Width of flange of member, parallel to X-axis (in.)         
b = Width of member, parallel to X-axis (in.)         
tf = Thickness of flange of member (in.)         
k = Distance from outer face of flange to web toe of fillet (in.)         
k1 = Distance from web centerline to flange toe of fillet (in.)         
T = Distance between fillets for wide-flange or channel shape = d(nom)-2*k(det) (in.)         
gage = Standard gage (bolt spacing) for member (in.)  (Note: gages for angles are available by viewing comment box at cell K18.)         
Ix = Moment of inertia of member taken about X-axis (in.^4)         
Sx = Elastic section modulus of member taken about X-axis (in.^3)         
rx = Radius of gyration of member taken about X-axis (in.) = SQRT(Ix/A)         
Iy = Moment of inertia of member taken about Y-axis (in.^4)         
Sy = Elastic section modulus of member taken about Y-axis (in.^3)         
ry = Radius of gyration of member taken about Y-axis (in.) = SQRT(Iy/A)         
Zx = Plastic section modulus of member taken about X-axis (in.^3)         
Zy = Plastic section modulus of member taken about Y-axis (in.^3)         
rts = SQRT(SQRT(Iy*Cw)/Sx) (in.)         
xp = horizontal distance from designated member edge to plastic neutral axis (in.)         
yp = vertical distance from designated member edge to plastic neutral axis (in.)         
ho = Distance between centroid of flanges, d-tf (in.)         
J = Torsional moment of inertia of member (in.^4)         
Cw = Warping constant (in.^6)         
C = Torsional constant for HSS shapes (in.^3)         
a = Torsional property, a = SQRT(E*Cw/G*J) (in.)         
E = Modulus of elasticity of steel = 29,000 ksi         
G = Shear modulus of elasticity of steel = 11,200 ksi         
Wno = Normalized warping function at a point at the flange edge (in.^2)         
Sw = Warping statical moment at a point on the cross section (in.^4)         
Qf = Statical moment for a point in the flange directly above the vertical edge of the web (in.^3)         
Qw = Statical moment at the mid-depth of the section (in.^3)         
x(bar) = Distance from outside face of web of channel shape or outside face of angle leg to Y-axis (in.)         
y(bar) = Distance from outside face of outside face of flange of WT or angle leg to Y-axis (in.)         
eo = Horizontal distance from the outer edge of a channel web to its shear center (in.) = (approx.) tf*(d-tf)^2*(bf-tw/2)^2/(4*Ix)-tw/2         
xo = x-coordinate of shear center with respect to the centroid of the section (in.)         
yo = y-coordinate of shear center with respect to the centroid of the section (in.)         
ro(bar) = Polar radius of gyration about the shear center = SQRT(xo^2+yo^2+(Ix+Iy)/A) (in.)         
H = Flexural constant, H = 1-(xo^2+yo^2)/ro(bar)^2)         
LLBB = Long legs back-to-back for double angles         
SLBB = Short legs back-to-back for double angles         
h(flat) = The workable flat (straight) dimension along the height, h (in.)         
b(flat) = The workable flat (straight) dimension along the width, b (in.)         
A(surf) = The total surface area of a rectangular or square HSS section (ft.^2/ft.)         
STD = Standard weight (Schedule 40) pipe section         
XS = Extra strong (Schedule 80) pipe section         
XXS = Double-extra strong pipe section         
 

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