Size. Inches.

Thickness. Inches.

Radii of Gyration.

ro.

r1.

r2.

r3.

8X8

1/2

2.50

3.32

3.45

3.58

6 X6

7/8

1.87

2.64

2.83

2.92

6 X6

7/16

1.87

2.50

2.67

2.76

6 X6

3/8

1.88

2.49

2.66

2.75

5 X5

7/8

1.49

2.17

2.35

2.45

5 X5

3/4

1.55

2.20

2.38

2.48

5 X5

3/8

1.56

2.09

2.27

2.36

4 X4

13/16

1.24

1.83

2.03

2.12

4 X4

3/8

1.23

1.68

1.86

1.95

4 X4

5/16

1.24

1.67

1.85

1.94

3 1/2x3 1/2

5/8

1.04

1.51

1.70

1.81

3 1/2X3 1/2

3/8

1.07

1.47

1.66

1.75

3 1/2X3 1/2

5/16

1.08

1.46

1.65

1.74

3 X3

5/8

.94

1.40

1.59

1.69

3 X3

1/4

.93

1.25

1.43

1.53

2 3/4X2 3/4

1/4

.85

1.15

1.34

1.44

2 3/4X2 3/4

1/2

.82

1.19

1.39

1.49

2 1/2X2 1/2

I/2

.76

1.12

1.31

1.42

2 1/2 X 2 1/2

1/4

.77

1.05

1.25

1.34

2 1/4X2 1/4

1/2

.70

1.05

1.25

1.35

2 1/4X2 1/4

1/4

.69

.96

1.14

1.24

2 1/4X2 1/4

3/16

.69

.94

1.12

1.22

2 X2

1/2

.62

.95

1.15

1.26

2 X2

3/16

.62

.84

1.03

1.13

1 1/2X1 1/2

1/8

.47

.63

.77

.92