DIMENSIONS

DuraGal ®
Profiles
y
x
α
DuraGal Unequal Angles
x- and y-axes
Section Properties for Member Stability
Grade C450L0 (TS 100)
y o
x o
x
y
Shear
Centre
Monosymmetry
Section
Constants
Polar Radius of
Gyration about the
Shear Centre
Coordinate
of
Shear Centre
Torsion
Constant
Mass
per
metre
Designation
Leg Size
b 1 b 2 J x 0 y 0 r 01 ß x ß y
Nominal
Thickness
mm mm mm kg/m 10 3 mm 4 mm mm mm mm mm
79.2
80.2
80.8
39.2
39.2
39.3
36.6
36.9
37.2
16.2
16.2
16.2
17.3
17.6
17.7
8.23
4.07
2.17
5.38
4.34
3.54
75 x 75 x 6.0 CA
5.0 CA
4.0 CA
F
F
F
F DuraGal Unequal Angles are not a common stock item but sizes 100 x 75, 125 x 75, 150 x 100 in 6 or 8mm wall thickness are also available on request. A minimum order
quantity may apply on some sizes. Please contact your local Steel & Tube branch for information and availability on these sizes.
Notes:
1. Steel grade C450L0 / C400L0 / C350L0 (for t < 2.5mm fy = 350 MPa and fu = 400 MPa, for 2.5mm < t < 6.0mm fy = 450 MPa and fu = 500 MPa, and for t > 6.0mm fy = 400
MPa and fu = 450 MPa).
2. With the exception of J, properties are calculated assuming a simplified shape where the bends are eliminated and the section is represented by straight mid-lines in
accordance with Clause 2.1.2.1 of AS/NZS 4600.
3. ß x is zero for equal angles.
4. Iw is equal to zero for angles.
5. The shear centre is assumed to be located at the intersection of the centre lines of the angle legs.
duragal®
UNequal
angels
Dimensions and Properties Handbook 27