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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