Table XVIII. Properties Of Steel Z Bars

Depth of Web.

Width of Flange.

Thickness.

Weight per Foot.

Area of Section.

Neutral Axis

Perpendicular to Web.

Neutral Axis Coincident With Web.

Moment of Inertia.

Section Modulus.

Rad. of Gyration. (In.)

Moment of Inertia.

Section Modulus.

Rad. of Gyration. (In.)

In.

In.

In.

Lb.

Sq. In.

I.

Q.

R.

F.

Q'.

R'.

6

3 1/2

3/8

15.6

4.59

25.32

8.44

2.35

9.11

2.75

1.41

6 1/16

3 9/16

7/16

18.3

5.39

29.80

9.83

2.35

10.95

3.27

1.43

6 1/8

3 5/8

ft

21.0

6.19

34.36

11.22

2.36

12.87

3.81

1.44

6

3 1/2

ft

22.7

6.68

34.64

11.55

2.28

12.59

3.91

1.37

6 1/16

3 9/16

1

25.4

7.46

38.86

12.82

2.28

14.42

4.43

1.39

4

3 5/8

11/16

28.0

8.25

43.18

14.10

2.29

16.34

4.98

1.41

6

3 1/2

3/4

29.3

8.63

42.12

14.04

2.21

15.44

4.94

1.34

6 1/16

3 9/16

13/16

32.0

9.40

46.13

15.22

2.22

17.27

5.47

1.36

3 5/8

7

34.6

10.17

50.22

16.40

2.22

19.18

6.02

1.37

5

3 1/4

ft

11.6

3.40

13.36

5.34

1.98

6.18

2.00

1.35

5 1/16

3 5/16

13.9

4.10

16.18

6.39

1.99

7.65

2.45

1.37

5 1/8

3 3/8

7/16

16.4

4.81

19.07

7.44

1.99

9.20

2.92

1.38

5

3 1/4

1/2

17.8

5.25

19.19

7.68

1.91

9.05

3.02

1.31

5 1/16

3ft

9/16

20.2

5.94

21.83

8.62

1.91

10.51

3.47

1.33

5 1/8

3 3/8

5/8

22.6

6.64

24.53

9.57

1.92

12.06

3.94

1.35

5

3 1/4

11/16

23.7

6.96

23.68

9.47

1.84

11.37

3.91

1.28

5 1/16

3ft

3/4

26.0

7.64

26.16

10.34

1.85

12.83

4.37

1.30

5 1/8

3 3/8

13/16

28.3

8.33

29.31

11.44

1.88

14.36

4.84

1.31

4

3ft

1/4

8.2

2.41

6.28

3.14

1.62

4.23

1.44

1.33

4 1/16

3 1/8

5/16

10.3

3.03

7.94

3.91

1.62

5.46

1.84

1.34

4 1/8

3 3/16

3/8

12.4

3.66

9.63

4.67

1.62

6.77

2.26

1.36

4

3 1/16

7/16

13.8

4.05

9.66

4.83

1.55

6.73

2.37

1.29

4 1/16

3 1/8

ft

15.8

4.66

11.18

5.50

1.55

7.96

2.77

1.31

4 1/8

3 3/16

9

17.9

5.27

12.74

6.18

1.55

9.26

3.19

1.33