American Standard Aluminum Channel Sizes Table

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American Standard Aluminum Channel Sizes Table

Structural Engineering Shapes and Materials

Aluminum 6061 is the most commonly used and available for aluminum channel. 6061 has good strength-to-weight ratio with good corrosion resistance. 6061 is easily cold worked and formed in the annealed condition.

American Standard Aluminum Channel Sizes Table

Designation
C

Depth
d
in.

Width
b
in.

Flange
Tip
Thickness
t_f
in.

Average
Flange
Thickness
t
in.

Web
Thickness
t_w
in.

Fillet
Radius
R₁
in.

Tip
Radius
R₂
in.

d₁
in.

2 x 1.22

3 x 1.42

3 x 1.73

3 x 2.07

4 x 1.85

4 x 2.16

4 x 2.50

5 x 2.32

5 x 3.11

5 x 3.97

6 x 2.83

6 x 3.00

6 x 3.63

6 x 4.50

7 x 3.54

7 x 4.23

7 x 5.10

7 x 5.96

2.000

3.000

4.000

5.000

6.000

7.000

1.410

1.498

1.596

1.580

1.647

1.720

1.750

1.885

2.032

1.920

1.945

2.034

2.157

2.110

2.194

2.299

2.404

0.170

0.180

0.190

0.200

0.210

0.273

0.297

0.320

0.343

0.367

0.170

0.258

0.356

0.180

0.247

0.320

0.190

0.325

0.472

0.200

0.225

0.314

0.438

0.230

0.314

0.419

0.524

0.270

0.280

0.290

0.300

0.310

0.100

0.110

0.120

0.130

0.75

1.75

2.75

3.75

4.50

5.50

Moment of Inertia Shape Area

Designation
C

Area
A
in²

Axis x-x

Axis y-y

y-axis
Location
x
in.

I_x
in⁴

S_x
in³

r_x
in.

I_y
in⁴

S_y
in³

r_y
in.

2 x 1.22

3 x 1.42

3 x 1.73

3 x 2.07

4 x 1.85

4 x 2.16

4 x 2.50

5 x 2.32

5 x 3.11

5 x 3.97

6 x 2.83

6 x 3.00

6 x 3.63

6 x 4.50

7 x 3.54

7 x 4.23

7 x 5.10

7 x 5.96

1.04

1.21

1.47

1.76

1.57

1.84

2.13

1.97

2.64

3.38

2.40

2.55

3.09

3.83

3.01

3.60

4.33

5.07

0.622

1.66

1.85

2.07

3.83

4.19

4.58

7.49

8.90

10.4

13.1

13.6

15.2

17.4

21.8

24.2

27.2

30.3

0.622

1.10

1.24

1.38

1.92

2.10

2.29

3.00

3.56

4.17

4.37

4.52

5.06

5.80

6.24

6.93

7.78

8.64

0.774

1.17

1.12

1.08

1.56

1.51

1.47

1.95

1.83

1.76

2.34

2.31

2.22

2.13

2.69

2.60

2.51

2.44

0.172

0.20

0.21

0.31

0.32

0.37

0.43

0.48

0.63

0.81

0.69

0.73

0.87

1.05

1.01

1.17

1.38

1.59

0.188

0.20

0.21

0.27

0.28

0.31

0.34

0.38

0.45

0.53

0.49

0.51

0.56

0.64

0.70

0.78

0.86

0.407

0.40

0.41

0.42

0.45

0.49

0.54

0.50

0.52

0.58

0.57

0.56

0.49

0.44

0.46

0.45

0.46

0.48

0.51

0.50

0.51

0.54

0.52

0.53

0.55

Reference: Aluminum Association Standard Structural Profiles - 2020