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Marine Flat Bulb Steel

Marine Flat Bulb Steel
Marine Flat Bulb Steel

Size

Dimenssion(mm)

Section Area(cm2)

Theoretical Weight 

(kg/m)

Allowable Deviation (mm)

b

t

h

rl

r

b

t

h

80×5

80

5

19

4

≤1.5

5.41

4.25

±1.5

0.7
-0.3

±0.5

80×6

6

20

≤2

6.21

4.88

100×7

100

7

22.5

4.5

≤2

8.74

6.86

100×8

8

23.5

9.74

7.65

120×6

120

6

23

5

≤2

9.32

7.32

120×7

7

24

10.52

8.26

120×8

8

25

11.72

9.2

140×7

140

7

26

5.5

≤2

12.43

9.75

±2.0

1
-0.3

±0.8

140×8

8

27

13.83

10.85

140×10

10

29

≤3

16.63

13.05

160×7

160

7

29

6

≤2

14.6

11.46

160×8

8

30

16.2

12.72

160×9

9

31

17.8

13.97

160×11

11

33

≤3

21

16.49

180×8

180

8

33

7

≤2

18.86

14.8

180×9

9

34

20.66

16.22

180×10

10

35

≤3

22.46

17.63

180×11

11

36

24.26

19.04

200×9

200

9

37

8

≤2

23.66

18.57

±3.0

1.1
-0.3

±0.95

200×10

10

38

≤3

25.66

20.14

200×11

11

39

27.66

21.71

200×12

12

40

29.66

23.28

220×10

220

10

41

9

≤3

29.66

22.27

220×11

11

42

29

24.5

220×12

12

43

31.2

26.22

240×10

240

10

40

10

≤3

33.49

25.5

240×11

11

45

34.89

27.39

240×12

12

46

37.29

29.27

260×10

260

10

47

11

≤3

36.11

28.35

260×11

11

48

38.71

30.39

260×12

12

49

41.31

32.43

280×11

280

11

51

12

≤3

42.68

33.5

280×12

12

52

45.48

35.7

280×13

13

53

48.28

37.9

300×11

300

11

54

13

≤3

46.78

36.7

300×12

12

55

49.79

39.09

300×13

13

56

52.79

41.44

320×12

320

12

58

14

≤3

54.25

42.6

±4.0

1.3
-0.3

1.1

320×13

13

59

57.25

45.09

320×14

14

60

≤4

60.85

47.6

340×12

340

12

61

15

≤3

58.84

46.2

340×13

13

62

62.24

48.86

340×14

14

63

≤4

65.54

51.5

370×13

370

13

66.5

16.5

≤3

69.7

54.7

370×14

14

67.5

≤4

73.4

57.6

370×15

15

68.5

77.1

60.5

400×14

400

14

72

18

≤4

81.48

63.96

400×15

15

73

85.48

67.1

400×16

16

74

89.48

70.2

430×14

430

14

76.5

19.5

≤4

89.7

70.6

430×15

15

77.5

94.19

73.9

430×17

17

79.5

102.79

80.7

430×19

19

81.5

111.39

87.4

430×20

20

82.5

115

90.8



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