AISC Steel Construction Structural Shapes Properties Viewer

Engineering Materials | Beam Deflection & Stress Calculators
Structural Shapes Properties Resources

The following webpage tool gives you access to AISC's structural steel shapes in the U.S. This tool is useful in the design process as a reference to determine the general availability, engineering design data of specific structural steel shapes.


  AISC  Structural Shapes Properties Viewer
W, S, M, HP Shapes
C, MC Shapes
WT, ST, MT Shapes
Single Angles
Double Angles
Rectangular HSS
 
 
 
 
WORKABLE GAGES IN ANGLE LEGS (inches)
Leg 8 7 6 5 4 3-1/2 3 2-1/2 2 1-3/4 1-1/2 1-3/8 1-1/4 1
g 4-1/2 4 3-1/2 3 2-1/2 2 1-3/4 1-3/8 1-1/8 1 7/8 7/8 3/4 5/8
g1 3 2-1/2 2-1/4 2
g2 3 3 2-1/2 1-3/4

For an angle, the gage "g" shown is the distance from the back of the member to the bolt in the angle leg, when only one row of bolts is present. For angle legs >= 5", the potential for two rows of bolts exists. Thus, the gage "g1" is analogous to "g" for the other angle leg, and gage "g2" is the spacing between the first and second row of bolts. (See illustration and table in AISC 13th Edition Manual page 1-46.)
Note: Other gages are permitted to suit specific requirements subject to clearances and edge distance
limitations.
A = in.2 A = in.2 A = in.2 A = in.2 A = in.2 A = in.2
d = in. d = in. d = in. d = in. d = in. h = in.
tw = in. tw = in. tw = in. b = in. b = in. b = in.
bf = in. bf = in. bf = in. t = in. t = in. t(des) =
The wall thickness, 't(des)', is the actual (design) value, not the nominal wall thickness.
 in.
tf = in. tf = in. tf = in. k = in. wt./ft. = plf. wt./ft. = plf.
k(des) = in. k = in. k(des) = in. wt./ft. = plf. Ix = in.4 Ix = in.4
k(det) = in. T = in. k(det) = in. eo = in. Sx = in.3 Sx = in.3
k1 = in. gage = in. gage = in. Ix = in.4 rx = in. rx = in.
T =
The 'T' distance shown is the nominal "detailing" value, and not the "design" value.
T = d(nom)-2*k(det).
 in. rts = in. wt./ft. plf. Sx = in.3 y(bar) = in. Zx = in.3
gage =
The "gage" shown is the spacing between the bolts in the flange. The "halve-gage" is taken each side of the member centerline.
When a gage is displayed as a set of three numbers such as: (3) 7.5 (3) it refers to 4 rows of bolts with 3 "gages" or spacings
= 3", 7.5", and 3" in this case.
 in. ho = in. bf/(2*tf)
rx = in. Zx = in.3 Iy = in.4
wt./ft. = plf. wt./ft. = plf. d/tw
y(bar) = in. yp = in. Sy = in.3
bf/(2*tf)
eo = in. Ix = in.4 Zx = in.3 ry(0) =
The radius of gyration for the minor (Y) axis, 'ry', with a 0" gap between back-to-back of angle legs.
 in. ry = in.
h/tw =
The 'h/tw' ratio shown is calculated as follows:
h/tw = (d-2*k(des))/tw = T(des)/tw
Ix = in.4 Sx = in.3 yp = in. ry(3/8) =
The radius of gyration for the minor (Y) axis, 'ry', with a 3/8" gap between back-to-back of angle legs.
 in. Zy = in.3
Ix = in.4 Sx = in.3 rx = in. Iy = in.4 ry(3/4) =
The radius of gyration for the minor (Y) axis, 'ry', with a 3/4" gap between back-to-back of angle legs.
 in. h(flat) = in.
Sx = in.3 rx = in. y(bar) = in. Sy = in.3 Qs(0) =
b(flat) = in.
rx = in. Zx = in.3 Zx = in.3 ry = in. Qs =
J = in.4
Zx = in.3 Iy = in.4 yp = in. x(bar) = in. ro(bar)(0) = in. C = in.3
Iy = in.4 Sy = in.3 Iy = in.4 Zy = in.3 H(0) =
A(surf) = ft2/ft
Sy = in.3 ry = in. Sy = in.3 xp = in. ro(bar)(3/8) = in.
ry = in. x(bar) = in. ry = in. Iz = in.4 H(3/8) =
Zy = in.3 Zy = in.3 Zy = in.3 Sz = in.3 ro(3/4) = in.
rts = in. xp = in. Qs(50) =
rz = in. H(3/4) =
ho = in. J = in.4 J = in.4 TAN(a) =
 
J = in.4 Cw = in.^6 Cw = in.^6 Qs(36) =
Cw = in.^6 a =
Torsional property, 'a', is determined as follows:
a = SQRT(E*Cw/G*J)
where: E = 29,000 ksi (Elastic Modulus)
G = 11,200 ksi (Shear Modulus)
 in. a =
Torsional property, 'a', is determined as follows:
a = SQRT(E*Cw/G*J)
where: E = 29,000 ksi (Elastic Modulus)
G = 11,200 ksi (Shear Modulus)
 in. J = in.4
a =
Torsional property, 'a', is determined as follows:
a = SQRT(E*Cw/G*J)
where: E = 29,000 ksi (Elastic Modulus)
G = 11,200 ksi (Shear Modulus)
 in. ro(bar) = in. ro(bar) = in. Cw = in.^6
Wno = in.2 H =
H =
a =
Torsional property, 'a', is determined as follows:
a = SQRT(E*Cw/G*J)
where: E = 29,000 ksi (Elastic Modulus)
G = 11,200 ksi (Shear Modulus)
 in.
Sw =  in.4
ro(bar) = in.
Qf = in.3
H =
Qw = in.3
Round HSS & Pipes
Plates
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.)
t =
in.
bf = Width of flange of member, parallel to X-axis (in.)
b = in. A = in.2
b = Width of member, parallel to X-axis (in.)
wt./ft. = plf. O.D. = in.
tf = Thickness of flange of member (in.)
A =
Cross-sectional area, 'A', is determined as follows:
A = b*t
 in.2 I.D. = in.
k = Distance from outer face of flange to web toe of fillet (in.)
Ix =
X-axis moment of inertia, 'Ix', is determined as follows:
Ix = b*t3/12
 in.4 t(nom) = in.
k1 = Distance from web centerline to flange toe of fillet (in.)
Sx =
X-axis section modulus, 'Sx', is determined as follows:
Sx = b*t2/6
 in.3 t(des) = in.
T = Distance between fillets for wide-flange or channel shape = d(nom)-2*k(det) (in.)
rx =
X-axis radius of gyration, 'rx', is determined as follows:
rx = t/SQRT(12)
 in. wt./ft. = plf.
gage = Standard gage (bolt spacing) for member (in.)  
Iy =
Y-axis moment of inertia, 'Iy', is determined as follows:
Iy = t*b3/12
 in.4 Ix = Iy = in.4
Ix = Moment of inertia of member taken about X-axis (in.4)
Sy =
Y-axis section modulus, 'Sy', is determined as follows:
Sy = t*b2/6
 in.3 Sx = Sy = in.3
Sx = Elastic section modulus of member taken about X-axis (in.3)
ry =
Y-axis radius of gyration, 'ry', is determined as follows:
ry = b/SQRT(12)
 in. rx = ry = in.
rx = Radius of gyration of member taken about X-axis (in.) = SQRT(Ix/A)
J =
Torsional constant, 'J', is determined as follows:
J = Ix + Iy
 in.4 Zx = Zy = in.3
Iy = Moment of inertia of member taken about Y-axis (in.4)
J = in.4
Sy = Elastic section modulus of member taken about Y-axis (in.3)
C = 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(xo2+yo2+(Ix+Iy)/A) (in.)
H = Flexural constant, H = 1-(xo2+yo2)/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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