DIMENSIONS

x
y
1 2
b 1
r o
3
5
4
x
b 2
DuraGal Equal Angles
x- and y-axes
Effective Section Properties
Grade C450L0 / C400L0 / C350L0(TS 100)
t
DuraGal ®
Profiles
x
y
x
y
y
Dimensions Ratios Grade Effective Section Properties
Effective
Area of
Section A e
Mass
per
metre
Designation
About x-axis About y-axis
Leg Size
b 1 b 2 t r o f y A e A f I ex1 = I ex4 Z ex1 = Z ex4 I ey2,3 Z ey2,3 I ey5 Z ey5
Outside
Yield
Corner
Radius b 1 - r o b 2 - r Stress
o
t t
Actual
Thickness
Nominal
Thickness
mm mm mm kg/m mm mm mpa mm 2 10 6 mm 4 10 3 mm 3 10 6 mm 4 10 3 mm 3 10 6 mm 4 10 3 mm 3
7.89
6.26
5.29
4.39
0.213
0.167
0.142
0.117
7.89
6.26
4.84
3.49
0.213
0.167
0.125
0.0840
18.0
13.9
9.41
6.78
0.957
0.735
0.458
0.310
1.00
0.934
0.759
0.646
1090
781
508
353
400
450
450
450
7.38
10.2
14.1
17.7
7.38
10.2
14.1
17.7
16.0
14.0
8.7
7.8
8.0
6.0
4.7
3.8
8.59
6.56
5.26
4.29
75 x 75 x 8.0 CA
6.0 CA
5.0 CA
4.0 CA
4.52
3.87
3.22
2.44
2.16
1.81
1.24
0.104
0.0902
0.0747
0.0434
0.0389
0.0324
0.0221
4.52
3.87
2.83
2.44
2.16
1.81
1.03
0.104
0.0902
0.0619
0.0434
0.0389
0.0324
0.0169
10.4
7.65
5.54
5.89
4.80
3.78
1.98
0.477
0.337
0.230
0.208
0.170
0.131
0.0615
1.00
0.846
0.727
1.00
1.00
0.888
0.676
716
487
342
536
435
316
156
450
450
450
450
450
450
350
8.5
12.0
15.1
6.00
8.79
11.1
18.8
8.50
12.0
15.1
6.00
8.79
11.1
18.8
14.0
8.7
7.8
14.0
8.7
7.8
4.9
6.0
4.7
3.8
6.0
4.7
3.8
2.4
5.62
4.52
3.69
4.21
3.42
2.79
1.81
65 x 65 x 6.0 CA
5.0 CA
4.0 CA
50 x 50 x 6.0 CA
5.0 CA
4.0 CA
2.5 CA
45 x 45 x 4.0 CA 2.5 CA 2.50 1.62 3.8 2.4 7.8 4.9 9.79 16.7 9.79 16.7 450 350 303 152 0.952 0.736 0.102 0.0494 3.19 1.71 0.0231 0.0135 1.43 0.884 0.0231 0.0159 1.43
0.990
40 x 40 x 4.0 CA 2.5 CA 2.20 1.43 3.8 2.4 7.8 4.9 8.47 14.6 8.47 14.6 450 350 280 147 1.00 0.806 0.0702 0.0385 2.48 1.45 0.0157 0.0104 1.10 0.740 0.0157 0.0110 1.10
0.768
30 x 30 x 2.5 CA 1.06 2.4 4.9 10.5 10.5 350 132 0.980 0.0191 0.902 0.00438 0.408 0.00438 0.408
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. Ae is calculated for sections with uniform axial compressive stress fy.
3. Ie and Ze are calculated with the extreme compression or tension fibres at fy (first yield). Ze is calculated at the extreme tension or compression fibre of the effective section.
4. Iex1 and Zex1 are for compression at point “1”; Iex4 and Zex4 are for compression at point “4”; Iey2,3 and Zey2,3 are for compression at points “2” and “3”; Iey5 and Zey5
are for compression at point “5”.
5. Effective section properties are calculated in accordance with AS/NZS 4600.
duragal®
equal
angels
Dimensions and Properties Handbook 19