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
|
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... |
|
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 |
|
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 |
