STANDARD SECTIONAL
DIMENSION

SECTION
AREA

UNIT
MASS

CENTER OF
GRAVITY

MOMEOF

RADIUS OF
GYI

MODULUS OF
SECTION

Ax B

t1

t2

A

w

Cy

Ix

ly

Ix

ly

Z

Zy

mm x mm

mm

mm

cm2

kg/rn

cm

cm4

cm4

cm

cm

cm3

cm3

75x40

5

7

8.818

6.92

1.27

75.9

1.4

2.93

1.19

20.2

4.54

100x50

5

7.5

11.92

9.36

1.55

189

26.9

3.98

1.50

37.8

7.82

125x65

6

8

17.11

13.40

1.94

425

65.5

4.99

1.96

68.0

14.40

150x75

6.5

10

23.71

18.60

2.31

864

122.0

6.04

2.27

115.0

23.60

150x75

9

12.5

30.59

24.00

2.31

1050

147.0

5.86

2.19

140.0

28.30

180x75

7

10.5

27.20

21.40

2.15

1380

137.0

7.13

2.24

150.0

25.50

200x70

7

10

26.92

21.10

1.85

1620

113.0

7.77

2.04

162.0

21.80

200x80

7.5

11

31.33

24.60

2.24

1950

177.0

7.89

2.38

195.0

30.80

200x90

8

13.5

38.65

30.30

2.77

2490

286.0

8.03

2.72

249.0

45.90

250x90

9

13

44.07

34.60

2.43

4180

306.0

9.74

2.64

335.0

46.50

250x90

11

14.5

51.17

40.20

2.39

4690

342.0

9.57

2.58

375.0

51.70

300x90

10

15.5

55.74

43.80

2.33

7400

373.0

11.50

2.54

494.0

56.00

300x90

12

16

61.90

48.60

2.25

7870

391.0

11.30

2.51

525.0

57.90

380x100

10.5

16

69.39

54.50

2.41

14500

557.0

14.50

2.83

762.0

73.30

380x100

13

16.5

78.96

62.00

2.29

15600

584.0

14.10

2.72

822.0

75.80

380x100

13

20

85.71

67.30

2.50

17600

671.0

14.30

2.80

924.0

89.50