Bulb Flats - Marine Steel Sections - Hi-sea

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Bulb Flats


Bulb Flats

Application：

Bulb flats are the most efficient and economical solution for plate stiffening. The bulb flats  are hot-rolled, high quality, reliable and necessarily we can provide products along with quality-passing certificates. They are manufactured by Chinese top steel mills with good reputation and products should pass extremely strict quality testing management. We provide you complete types and grades steel. The bulb flats are produced in accordance with GB/T 9945-2012 or EN 10067. The regular length of bulb flats is 4~12m, but if you have any specific requirements, we can customize products. 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

Strength

Grade

Normal Strength

A

B

D

E

High Strength

AH32

DH32

EH32

AH36

DH36

EH36

AH40

DH40

EH40

NOTE

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


Structural Steel

ASTM

A572A 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


Angle steel in factory:


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Our mail: hs@cqhisea.com

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