Chinese Standard Bulb Flats - Marine Steel Sections - Hi-sea

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Home > Marine Steel Sections

Chinese Standard Bulb Flats

Chinese Standard Bulb Flats

Application:

The Chinese bulb flats are steel sections made of marine steel according to Chinese standard GB/T 9945-2012. They are the better choice for ship planking reinforcement due to their excellent weight ratio and the fact that their shape prevents corrosive debris. Up to 20% of the ship’s hull steel could possibly employ these sections and they can be used in both commercial and military vessels. The bulb flats are made of steel complying with the standard of shipbuilding classification societies, and steel grades CCSA, CCSB, CCSD, CCSE, AH32, AH36, AH40, DH32, DH36, DH40, EH32, EH36, EH40 are also available for you. Besides, we are capable of providing various dimensions. The length of bulb flats can be customized as you require. If you are interested in our bulb flats, welcome to contact us. If you have any questions, please feel free to contact us.

Available Steel Grades:

Adopted Standard

Steel Grades

ABS Grade

AB/A, AB/AN, AB/B, AB/BN, AB/D, AB/DN, AB/E, AB/EN, AB/AH32, AB/AH32N, AB/DH32, AB/DH32N, AB/EH32, AB/EH32N, AB/AH36, AB/AH36N, AB/DH36, AB/DH36N, AB/EH36, AB/EH36N, AB/AH40, AB/AH40N, AB/DH40, AB/DH40N, AB/EH40, AB/EH40N

BV Grade

BVA, BVB, BVD, BVE, BVAH32, BVDH32, BVEH32,  BVAH36, BVDH36, BVEH36, BVAH40, BVDH40, BVEH40

CCS Grade

CCSA, CCSB, CCSD, CCSE, CCSAH32, CCSDH32, CCSEH32, CCSAH36, CCSDH36, CCSEH36, CCSAH40, CCSDH40, CCSEH40

DNV-GL Grade

NV A, NV B, NV D, NV E, NV A32, NV D32, NV E32, NV A36, NV D36, NV E36, NV A40, NV D40, NV E40

GL Grade

GL-A, GL-ATM, GL-B, GL-BTM, GL-D, GL-DTM, GL-E, GL-ETM, GL-A32, GL-A32TM, GL-D32, GL-D32TM, GL-E32, GL-E32TM, GL-A36, GL-A36TM, GL-D36, GL-D36TM, GL-E36, GL-E36TM, GL-A40, GL-A40TM, GL-D40, GL-D40TM, GL-E40, GL-E40TM

KR Grade

KRA, KRB, KRD, KRE, KRAH32, KRDH32, KREH32, KRAH36, KRDH36, KREH36, KRAH40, KRDH40, KREH40

LR Grade

LRA, LRB, LRD, LRE, LRAH32, LRDH32, LREH32, LRAH36, LRDH36, LREH36, LRAH40, LRDH40, LREH40

NK Grade

KA, KB, KD, KE, KA32, KD32, KE32, KA36, KD36, KE36,, KA40, KD40, KE40

RINA Grade

RINA-A, RINA-B, RINA-D, RINA-E, RINA-AH32, RINA-DH32, RINA-EH32, RINA-AH36, RINA-DH36, RINA-EH36, RINA-AH40, RINA-DH40, RINA-EH40

Dimensions:

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

220×10

220

10

41

9

≦3

29.00

22.77

220×11

220

11

42

9

≦3

31.20

24.50

220×12

220

12

43

9

≦3

33.40

26.22

240×10

240

10

44

10

≦3

32.49

25.50

240×11

240

11

45

10

≦3

34.89

27.39

240×12

240

12

46

10

≦3

37.29

29.27

260×10

260

10

47

11

≦3

36.11

28.35

260×11

260

11

48

11

≦3

38.71

30.39

260×12

260

12

49

11

≦3

41.31

32.43

280×11

280

11

51

12

≦3

42.68

33.50

280×12

280

12

52

12

≦3

45.48

35.70

280×13

280

13

53

12

≦3

48.28

37.90

300×11

300

11

54

13

≦3

46.78

36.70

300×12

300

12

55

13

≦3

49.79

39.09

300×13

300

13

56

13

≦3

52.79

41.44

320×12

320

12

58

14

≦3

54.25

42.60

320×13

320

13

59

14

≦3

57.25

45.09

320×14

320

14

60

14

≦4

60.85

47.60

340×12

340

12

61

15

≦3

58.84

46.20

340×13

340

13

62

15

≦3

62.24

48.86

340×14

340

14

63

15

≦4

65.54

51.50

370×13

370

13

66.5

16.5

≦3

69.70

54.70

370×14

370

14

67.5

16.5

≦4

73.40

57.60

370×15

370

15

68.5

16.5

≦4

77.10

60.50

400×14

400

14

72

18

≦4

81.48

63.96

400×15

400

15

73

18

≦4

85.48

67.10

400×16

400

16

74

18

≦4

89.48

70.20

430×14

430

14

76.5

19.5

≦4

89.70

70.60

430×15

430

15

77.5

19.5

≦4

94.19

73.90

430×17

430

17

79.5

19.5

≦4

102.79

80.70

430×19

430

19

81.5

19.5

≦4

111.39

87.40

430×20

430

20

82.5

19.5

≦4

115.00

90.80


Dimensions:

Model

Nominal Dimension

mm

b

t

h

r1

r

80×5

80

5

19

4

≦1.5

80×6

80

6

20

4

≦2

100×7

100

7

22.5

4.5

≦2

100×8

100

8

23.5

4.5

≦2

120×6

120

6

23

5

≦2

120×7

120

7

24

5

≦2

120×8

120

8

25

5

≦2

140×7

140

7

26

5.5

≦2

140×8

140

8

27

5.5

≦2

140×10

140

10

29

5.5

≦3

160×7

160

7

29

6

≦2

160×8

160

8

30

6

≦2

160×9

160

9

31

6

≦2

160×11

160

11

33

6

≦3

180×8

180

8

33

7

≦2

180×9

180

19

34

7

≦2

180×10

180

10

35

7

≦3

180×11

180

11

36

7

≦3

200×9

200

9

37

8

≦2

200×10

200

10

38

8

≦3

200×11

200

11

39

8

≦3

200×12

200

12

40

8

≦3

220×10

220

10

41

9

≦3

220×11

220

11

42

9

≦3

220×12

220

12

43

9

≦3

240×10

240

10

44

10

≦3

240×11

240

11

45

10

≦3

240×12

240

12

46

10

≦3

260×10

260

10

47

11

≦3

260×11

260

11

48

11

≦3

260×12

260

12

49

11

≦3

280×11

280

11

51

12

≦3

280×12

280

12

52

12

≦3

280×13

280

13

53

12

≦3

300×11

300

11

54

13

≦3

300×12

300

12

55

13

≦3

300×13

300

13

56

13

≦3

320×12

320

12

58

14

≦3

320×13

320

13

59

14

≦3

320×14

320

14

60

14

≦4

340×12

340

12

61

15

≦3

340×13

340

13

62

15

≦3

340×14

340

14

63

15

≦4

370×13

370

13

66.5

16.5

≦3

370×14

370

14

67.5

16.5

≦4

370×15

370

15

68.5

16.5

≦4

400×14

400

14

72

18

≦4

400×15

400

15

73

18

≦4

400×16

400

16

74

18

≦4

430×14

430

14

76.5

19.5

≦4

430×15

430

15

77.5

19.5

≦4

430×17

430

17

79.5

19.5

≦4

430×19

430

19

81.5

19.5

≦4

430×20

430

20

82.5

19.5

≦4

Bulb flat in factory:

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