Bulb Flat Steel
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Shipbuilding Bulb Flats

Contact：Elio

Tel : +86 17863871700

E-mail :Info@cnsteelmill.com

Wechat / Whatsapp :+86 17863871700

Payment Term：T/T, L/C, Western Union, etc
Design Style:customizable
Delivery Time:7 Days
Transportation：By sea or Land transportation

CONTACT US

Product Description

Shipbuilding Bulb Flats


Bulb flats are most efficient and economical solution for plate stiffening. The bulb flats that we provided are hot-rolled, high quality and reliable. They are manufactured by Chinese top steel mills with good reputation and extremely strict quality management. We provide you a wide range of types and grades. The regular length range of bulb flats is 4~12m, but if you have any specific requirements, we can customize products for you. The bulb flats are produced in accordance with GB/T 9945-2012, EN 10067 or JIS G3192-2008. In addition to bulb flats, we also supply marine steel plates, T-sections, H beams, steel channels, flat bars, half-round bars... If you are interested in our products, welcome to contact us!

Below is a list of sample grades we regularly provide:

Shipbuilding Steel


StrengthGrade
Normal Strength

A

B

D

E

High Strength

AH32

DH32

EH32

AH36

DH36

EH36

AH40

DH40

EH40

NOTEthe above grades are certified by relevant classification societies, such as CCS, ABS, BV, LR, GL, RINA, KR, NK, CNV...


Structural Steel


ASTMA572A Gr50
EN 10025

S235JR+AR

S235J0+AR

S235J2+AR

S275JR+AR

S275J0+AR

S275J2+AR

S355JR+AR

S355J0+AR

S355J2+AR

S355M+AR






Dimensions of Bulb Flats in accordance with EN 10067


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 Bulb Flats in accordance with GB/T 9945-2012


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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