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Marine Bulb Flats

Marine Bulb Flats

Application:

They are often used in shipbuilding as plate stiffeners to ensure the ship’s safety. The marine bulb flats are made of marine steel certified by leading classification societies, such as CCS, ABS, BV, LR, GL. The available steel grades we can provide are grade A, B, D, E, AH32, DH32, EH32, AH36, DH36, EH36, AH40, DH40, EH40. Besides, the surface of bulb flats should be flawless and smooth, without defects and passing tests. They are produced by Chinese mature-technology, good-quality and rich-experience steel mills. The bulb flats can reach the standard GB/T 9945-2012 or EN 10067. If you are interested in our hot rolled bulb flats or other steel products, welcome to contact us.

Dimensions of EN10067 Marine Bulb Flats:

Nominal Size

Dimensions for

b

(mm)

t

(mm)

c

(mm)

r

(mm)

80×5

80×6

80

5

6

14

4

100×7

100×8

100

7

8

15.5

4.5

120×6

120×7

120×8

120

6

7

8

17

5

140×7

140×8

140×10

140

7

8

10

19

5.5

160×7

160×8

160×9

160×11

160

7

8

9

11

22

6

180×8

180×9

180×10

180×11

180

8

19

10

11

25

7

200×9

200×10

200×11

200×12

200

9

10

11

12

28

8

220×10

220×11

220×12

220

10

11

12

31

9

240×10

240×11

240×12

240

10

11

12

34

10


Dimensions of GB/T 9945-2012 Marine Bulb Flats:

Model

Nominal Dimension

mm

Sectional Area

cm2

Nominal Weight

kg/m

b

t

h

r1

r

80×5

80

5

19

4

≦1.5

5.41

4.25

80×6

80

6

20

4

≦2

6.21

4.88

100×7

100

7

22.5

4.5

≦2

8.74

6.86

100×8

100

8

23.5

4.5

≦2

9.74

7.65

120×6

120

6

23

5

≦2

9.32

7.32

120×7

120

7

24

5

≦2

10.52

8.26

120×8

120

8

25

5

≦2

11.72

9.20

140×7

140

7

26

5.5

≦2

12.43

9.75

140×8

140

8

27

5.5

≦2

13.93

10.85

140×10

140

10

29

5.5

≦3

16.63

13.05

160×7

160

7

29

6

≦2

14.60

11.46

160×8

160

8

30

6

≦2

16.20

12.72

160×9

160

9

31

6

≦2

17.80

13.97

160×11

160

11

33

6

≦3

21.00

16.49

180×8

180

8

33

7

≦2

18.86

14.80

180×9

180

19

34

7

≦2

20.66

16.22

180×10

180

10

35

7

≦3

22.46

17.63

180×11

180

11

36

7

≦3

24.26

19.04

200×9

200

9

37

8

≦2

23.66

18.57

200×10

200

10

38

8

≦3

25.66

20.14

200×11

200

11

39

8

≦3

27.66

21.71

200×12

200

12

40

8

≦3

29.66

23.28


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