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Bulb flat bar

Shipbuilding bulb flat bar, Hot rolled bulb flat bar for shipbuilding, marine Hot rolled bulb flat bar for ship, Hot rolled bulb flat bar for ship hull
Standard: ABS, LR,GL, DNV, BV ,NK, KR, RINA
Steel Grade :ABS A,ABS B , ABS AH32, ABS AH36,LRA,LR B,LR AH32,LR AH36,GL A,GL B,GL AH32,GL AH36,DNV A,DNV B,DNV AH32,DNV AH36,BV A,BV B,BV AH32,BV AH36,
NK A,NK B,NK AH32,NK AH36,KR A,KR B,KR AH32,KR AH36,RINA A,RINA B,RINA AH32,RINA AH36,
Dimension range : 80*5 -- 430*20 , length from 3 meters to 13 meters

Hot rolled bulb flat bar size list:


type

size(mm)

CSA (cm2)

weight (kg/m)

allowable deviation
(mm)

b

t

h

rl

r

b

t

h

80 × 5
80 × 6

80

5

19

4

≤1.5

5.41

4.25

±1.5

+0.7
-0.3

±0.5

6

20

≤2

6.21

4.88

100 × 7
100 × 8

100

7

22.5

4.5

≤2

8.74

6.86

8

23.5

9.74

7.65

120 × 6
120 × 7
120 × 8

120

6

23

5

≤2

9.32

7.32

7

24

10.52

8.26

8

25

11.72

9.20

140 × 7
140 × 8
140 × 10

140

7

26

5.5

≤2

12.43

9.75

±2.0

+1.0
-0.3

±0.8

8

27

13.83

10.85

10

29

≤3

16.63

13.05

160 × 7
160 × 8
160 × 9
160 × 11

160

7

29

6

≤2

14.60

11.46

8

30

16.20

12.72

9

31

17.80

13.97

11

33

≤3

21.00

16.49

180 × 8
180 × 9
180 × 10
180 × 11

180

8

33

7

≤2

18.86

14.80

9

34

20.66

16.22

10

35

≤3

22.46

17.63

11

36

24.26

19.04

200 × 9
200 × 10
200 × 11
200 × 12

200

9

37

8

≤2

23.66

18.57

±3.0

+1.1
-0.3

±0.95

10

38

≤3

25.66

20.14

11

39

27.66

21.71

12

40

29.66

23.28

220 × 10
220 × 11
220 × 12

220

10

41

9

≤3

29.66

22.27

11

42

29.00

24.50

12

43

31.20

26.22

240 × 10
240 × 11
240 × 12

240

10

40

10

≤3

33.49

25.50

11

45

34.89

27.39

12

46

37.29

29.27

260 × 10
260 × 11
260 × 12

260

10

47

11

≤3

36.11

28.35

11

48

38.71

30.39

12

49

41.31

32.43

280 × 11
280 × 12
280 × 13

280

11

51

12

≤3

42.68

33.50

12

52

45.48

35.70

13

53

48.28

37.90

300 × 11
300 × 12
300 × 13

300

11

54

13

≤3

46.78

36.70

12

55

49.79

39.09

13

56

52.79

41.44

320 × 12
320 × 13
320 × 14

320

12

58

14

≤3

54.25

42.60

±4.0

+1.3
-0.3

+1.10

13

59

57.25

45.09

14

60

≤4

60.85

47.60

340 × 12
340 × 13
340 × 14

340

12

61

15

≤3

58.84

46.20

13

62

62.24

48.86

14

63

≤4

65.54

51.50

370 × 13
370 × 14
370 × 15

370

13

66.5

16.5

≤3

69.70

54.70

14

67.5

≤4

73.40

57.60

15

68.5

77.10

60.50

400 × 14
400 × 15
400 × 16

400

14

72

18

≤4

81.48

63.96

15

73

85.48

67.10

16

74

89.48

70.20

430 × 14
430 × 15
430 × 17
430 × 19
430 × 20

430

14

76.5

19.5

≤4

89.70

70.60

15

77.5

94.19

73.90

17

79.5

102.79

80.70

19

81.5

111.39

87.40

20

82.5

115.00

90.80


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