Video Description
Product Description
We can produce and supply various specifications marine bulb flat steel, marine angle steel, marine steel plate, etc., etc.
Commonly used hull structural steels include general-strength steel (A, B, D, E) steel plates specified in GB712, high-strength steel (AH32, DH32, EH32, AH36, DH36, EH36) steel plates; high-quality carbon steel plates for ships specified in GB5312 Plain steel (CIO, C20) steel pipe; A and B grade steel ball flat steel for shipbuilding specified in GB9945, etc.
Bulb flat steel bar is a medium section mainly used in the field of shipbuilding and bridge building, among which the marine bulb flat bar is an auxiliary medium section for shipbuilding. With the rapid development of the shipbuilding industry in recent years, the demand for marine bulb flat steel is strong. Generally, the main hull of larger ships and regular ships is mostly made of marine bulb flat steel, and the bulb flat steel with the same thickness and material as the connected plate is used as the frame (also called rib or keel).
Standards for bulb flat steel: GB/T9945-2012, EN10067:1996, JIS G3192, ISO 657-19.
The material of the bulb flat steel corresponds to the shipbuilding steel plate, which is divided into general strength (A grade, B grade and D grade, etc.) and high strength (AH32, AH36, DH32 and DH36, etc.), and the ship plate certified by different classification societies needs to be used together. Bulb flats certified by different classification societies.
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Standards and Classifications
| Size(mm) | HP80-HP430 |
| Standard: | EN10067:1997 |
| Grade: | A,B,D,E,AH32,AH36,DH32,DH36,EH32,EH36 |
| S235JR, S235J0, S235J2 | |
| S275JR, S275J0, S275J2 | |
| S355JR, S355J0, S355J2, S355K2 | |
| Certification: | ABS, CCS,LR,KR,NK,RINA,BV,DNV-GL,RMRS |
| CE Certification | |
| Length: | 6m-20m, according to customer’s request |
| Application: | Hull Structure , Bridge Structure, Offshore Platform |
Product Display
We have a large stock of bulb flat steel bar, angle steel, H beam steel, I Beams, etc. Welcome to visit our factory at any time.
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We can supply various types of bulb flat steel to meet your various needs.
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|
Model Number
|
Nominal Size (mm)
|
Theoretical Weight (Kg/m)
|
||||
|
b
|
t
|
h
|
r1
|
r
|
||
|
80X5
|
80
|
5
|
19
|
4
|
≤1.5
|
4.25
|
|
80X6
|
6
|
20
|
≤2
|
4.88
|
||
|
100X7
|
100
|
7
|
22.5
|
4.5
|
≤2
|
6.86
|
|
100X8
|
8
|
23.5
|
7.65
|
|||
|
120X6
|
120
|
6
|
23
|
5
|
≤2
|
7.32
|
|
120X7
|
7
|
24
|
8.26
|
|||
|
120X8
|
8
|
25
|
9.2
|
|||
|
140X7
|
140
|
7
|
26
|
5.5
|
≤2
|
9.75
|
|
140X8
|
8
|
27
|
10.85
|
|||
|
140X10
|
10
|
29
|
≤3
|
13.05
|
||
|
160X7
|
160
|
7
|
29
|
6
|
≤2
|
11.46
|
|
160X8
|
8
|
30
|
12.72
|
|||
|
160X9
|
9
|
31
|
13.97
|
|||
|
160X11
|
11
|
33
|
≤3
|
16.49
|
||
|
180X8
|
180
|
8
|
33
|
7
|
≤2
|
14.8
|
|
180X9
|
9
|
34
|
16.22
|
|||
|
180X10
|
10
|
35
|
≤3
|
17.63
|
||
|
180X11
|
11
|
36
|
19.04
|
|||
|
200X9
|
200
|
9
|
37
|
8
|
≤2
|
18.57
|
|
200X10
|
10
|
38
|
≤3
|
20.14
|
||
|
200X11
|
11
|
39
|
21.71
|
|||
|
200X12
|
12
|
40
|
23.28
|
|||
|
220X10
|
220
|
10
|
41
|
9
|
≤3
|
22.27
|
|
220X11
|
11
|
42
|
24.5
|
|||
|
220X12
|
12
|
43
|
26.22
|
|||
|
240X10
|
240
|
10
|
40
|
10
|
≤3
|
25.5
|
|
240X11
|
11
|
45
|
27.39
|
|||
|
240X12
|
12
|
46
|
29.27
|
|||
|
260X10
|
260
|
10
|
47
|
11
|
≤3
|
28.25
|
|
260X11
|
11
|
48
|
30.39
|
|||
|
260X12
|
12
|
49
|
32.43
|
|||
|
280X10
|
280
|
11
|
51
|
12
|
≤3
|
33.5
|
|
280X11
|
12
|
52
|
35.7
|
|||
|
280X12
|
13
|
53
|
37.9
|
|||
|
300X11
|
300
|
11
|
54
|
13
|
≤3
|
36.7
|
|
300X12
|
12
|
55
|
39.09
|
|||
|
300X13
|
13
|
56
|
41.44
|
|||
|
320X12
|
320
|
12
|
58
|
14
|
≤3
|
42.6
|
|
320X13
|
13
|
59
|
45.09
|
|||
|
320X14
|
14
|
60
|
≤4
|
47.6
|
||
|
340X12
|
340
|
12
|
61
|
15
|
≤3
|
46.2
|
|
340X13
|
13
|
62
|
48.86
|
|||
|
340X14
|
14
|
63
|
≤4
|
51.5
|
||
|
370X13
|
370
|
13
|
66.5
|
≤3
|
54.7
|
|
|
370×14
|
14
|
67.5
|
16.5
|
≤4
|
57.6
|
|
|
370×15
|
15
|
68.5
|
16.5
|
≤4
|
60.5
|
|
|
400×14
|
400
|
14
|
72
|
18
|
≤4
|
48.86
|
|
400×15
|
15
|
73
|
18
|
51.5
|
||
|
400×16
|
16
|
74
|
18
|
54.7
|
||
|
430×14
|
430
|
14
|
76.5
|
19.5
|
≤4
|
70.6
|
|
430×15
|
15
|
77.5
|
19.5
|
73.9
|
||
|
430×17
|
17
|
79.5
|
19.5
|
80.7
|
||
|
430×19
|
19
|
81.5
|
19.5
|
87.4
|
||
|
430×20
|
20
|
82.5
|
19.5
|
90.8
|
||
Exhibition Of Cooperation
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Packing & Delivery
Shipping By Sea
1. Standard packaging
2. Packaging according to customer requirements
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FAQ
Q: Can I get samples before order ?
A: Yes, of course. Usually our samples are free,we can produce by your samples or technical drawings.
Q: Can I go to your factory to visit?
A: Of course, we welcome customers from all over the world to visit our factory.
Q: What product information do I need to provide?
A: You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.
Q: Does the product have quality inspection before loading?
A: Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.we accept third party inspection.
Q: How do we trust your company?
A: We specialise in steel business for years, headquarter locates in Liaocheng, Shandong province, you are welcome to investigate in any ways, by all means, we have CE and ISO9001 certificate, quality can be guaranteed.
