Tel : 0086-021-60880117
Tel : 0086-021-60880117
Hot rolled Bulb flat steel bar is mainly used in shipbuilding and bridge-building. It is the auxiliary medium section steel for shipbuilding. Shipbuilding Hot rolled Bulb flat bar has common tensile strength material, like Grade A and B, High Tensile strength material like Grade AH32 and AH36. The size of bulb flat bar we can supply is : 80 × 5/6, 100 × 7/8, 120 × 6/7/8, 140 × 7/8/10, 160 × 7/8/9/11, 180 × 8/9/10/11, 200 × 9/10/1112, 220 × 10/11/12, 240 × 10/11/12, 260 × 10/11/12, 280 × 11/12/13, 300 × 11/12/13, 320 × 12/13/14, 340 × 12/13/14, 370 × 13/14/15, 400 × 14/15/16, 430 × 14/15/17/19/20
Products list:
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Hot rolled bulb flats(GB/T9945-2012)
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Type
|
Nominal dimensions (mm) |
Sectional area |
Mass/Unit length |
||||
|
b |
t |
h |
r1 |
r |
|||
|
HP80×5 |
80 |
5 |
19 |
4 |
≤1.5 |
5.41 |
4.25 |
|
HP80×6 |
80 |
6 |
20 |
4 |
≤2 |
6.21 |
4.88 |
|
HP100×7 |
100 |
7 |
22.5 |
4.5 |
≤2 |
8.74 |
6.86 |
|
HP100×8 |
100 |
8 |
23.5 |
4.5 |
≤2 |
9.74 |
7.65 |
|
HP120×6 |
120 |
6 |
23 |
5 |
≤2 |
9.32 |
7.32 |
|
HP120×7 |
120 |
7 |
24 |
5 |
≤2 |
10.52 |
8.26 |
|
HP120×8 |
120 |
8 |
25 |
5 |
≤2 |
11.72 |
9.20 |
|
HP140×7 |
140 |
7 |
26 |
5.5 |
≤2 |
14.43 |
9.75 |
|
HP140×8 |
140 |
8 |
27 |
5.5 |
≤2 |
12.83 |
10.85 |
|
HP140×9 |
140 |
9 |
28 |
5.5 |
≤2 |
15.20 |
11.93 |
|
HP140×10 |
140 |
10 |
29 |
5.5 |
≤3 |
16.63 |
13.05 |
|
HP160×7 |
160 |
7 |
29 |
6 |
≤2 |
14.60 |
11.46 |
|
HP160×8 |
160 |
8 |
30 |
6 |
≤2 |
16.20 |
12.72 |
|
HP160×9 |
160 |
9 |
31 |
6 |
≤2 |
17.80 |
13.97 |
|
HP160×11 |
160 |
11 |
33 |
6 |
≤3 |
21.00 |
16.49 |
|
HP180×8 |
180 |
8 |
33 |
7 |
≤2 |
18.86 |
14.80 |
|
HP180×9 |
180 |
9 |
34 |
7 |
≤2 |
20.66 |
16.22 |
|
HP180×10 |
180 |
10 |
35 |
7 |
≤3 |
22.46 |
17.63 |
|
HP180×11 |
180 |
11 |
36 |
7 |
≤3 |
24.26 |
19.04 |
|
HP200×9 |
200 |
9 |
37 |
8 |
≤2 |
23.66 |
18.57 |
|
HP200×10 |
200 |
10 |
38 |
8 |
≤3 |
25.66 |
20.14 |
|
HP200×11 |
200 |
11 |
39 |
8 |
≤3 |
27.66 |
21.71 |
|
HP200×12 |
200 |
12 |
40 |
8 |
≤3 |
29.66 |
23.28 |
|
HP220×10 |
220 |
10 |
41 |
9 |
≤3 |
29 |
22.77 |
|
HP220×11 |
220 |
11 |
42 |
9 |
≤3 |
31.20 |
24.50 |
|
HP220×12 |
220 |
12 |
43 |
9 |
≤3 |
33.40 |
26.22 |
|
HP240×10 |
240 |
10 |
44 |
10 |
≤3 |
32.49 |
25.50 |
|
HP240×11 |
240 |
11 |
45 |
10 |
≤3 |
34.89 |
27.39 |
|
HP240×12 |
240 |
12 |
46 |
10 |
≤3 |
37.29 |
29.27 |
|
HP260×10 |
260 |
10 |
47 |
11 |
≤3 |
36.11 |
28.35 |
|
HP260×11 |
260 |
11 |
48 |
11 |
≤3 |
38.71 |
30.39 |
|
HP206×12 |
260 |
12 |
49 |
11 |
≤3 |
41.31 |
32.43 |
|
HP260×13 |
260 |
13 |
50 |
11 |
≤3 |
43.85 |
34.43 |
|
HP280×11 |
280 |
11 |
51 |
12 |
≤3 |
42.68 |
33.50 |
|
HP280×12 |
280 |
12 |
52 |
12 |
≤3 |
45.48 |
35.70 |
|
HP280×13 |
280 |
13 |
53 |
12 |
≤3 |
48.28 |
37.90 |
|
HP300×11 |
300 |
11 |
54 |
13 |
≤3 |
46.78 |
36.70 |
|
HP300×12 |
300 |
12 |
55 |
13 |
≤3 |
49.79 |
39.09 |
|
HP300×13 |
300 |
13 |
56 |
13 |
≤3 |
52.79 |
41.44 |
|
HP320×12 |
320 |
12 |
58 |
14 |
≤3 |
54.25 |
42.60 |
|
HP320×13 |
320 |
13 |
59 |
14 |
≤3 |
57.25 |
45.09 |
|
HP320×14 |
320 |
14 |
60 |
14 |
≤4 |
60.85 |
47.60 |
|
HP340×12 |
340 |
12 |
61 |
15 |
≤3 |
58.84 |
46.20 |
|
HP340×13 |
340 |
13 |
62 |
15 |
≤3 |
62.24 |
48.86 |
|
HP340×14 |
340 |
14 |
63 |
15 |
≤4 |
65.54 |
51.50 |
|
HP370×13 |
370 |
13 |
66.5 |
16.5 |
≤3 |
69.70 |
54.70 |
|
HP370×14 |
370 |
14 |
67.5 |
16.5 |
≤4 |
73.40 |
57.60 |
|
HP370×15 |
370 |
15 |
68.5 |
16.5 |
≤4 |
77.10 |
60.50 |
|
HP400×14 |
400 |
14 |
72 |
18 |
≤4 |
81.48 |
63.96 |
|
HP400×15 |
400 |
15 |
73 |
18 |
≤4 |
85.48 |
67.10 |
|
HP400×16 |
400 |
16 |
74 |
18 |
≤4 |
89.48 |
70.20 |
|
HP430×14 |
430 |
14 |
76.5 |
19.5 |
≤4 |
89.70 |
70.60 |
|
HP430×15 |
430 |
15 |
77.5 |
19.5 |
≤4 |
94.19 |
73.90 |
|
HP430×17 |
430 |
17 |
79.5 |
19.5 |
≤4 |
102.79 |
80.70 |
|
HP430×19 |
430 |
19 |
81.5 |
19.5 |
≤4 |
111.39 |
87.40 |
|
HP430×20 |
430 |
20 |
82.5 |
19.5 |
≤4 |
115.00 |
90.80 |
Notes: please inquire us for special requirements of thickness.
Bulb flats of old national standard(GB/T9945-2001)
|
Type
|
Nominal dimensions (mm) |
Sectional area |
Mass/Unit length |
||||
|
b |
t |
h |
r1 |
r |
|||
|
80×5l Ⅱ |
80 |
5 |
22 |
4 |
≤1.5 |
5.86 |
4.61 |
|
90×5.5Ⅱ |
90 |
5.5 |
24 |
4 |
≤1.5 |
7.06 |
5.55 |
|
100×6Ⅱ |
100 |
6 |
26 |
5 |
≤1.5 |
8.66 |
6.81 |
|
120×6.5Ⅱ |
120 |
6.5 |
30 |
5 |
≤2 |
11.18 |
8.78 |
|
140×7Ⅱ |
140 |
7 |
33 |
6 |
≤2 |
14.12 |
11.10 |
|
140×9Ⅱ |
140 |
9 |
35 |
6 |
≤2 |
16.91 |
13.30 |
|
220×11Ⅱ |
220 |
11 |
48 |
8.5 |
≤3 |
32.90 |
25.87 |
|
220×13Ⅱ |
220 |
13 |
50 |
8.5 |
≤3 |
37.30 |
29.33 |
|
240×12Ⅱ |
240 |
12 |
52 |
9 |
≤3 |
38.87 |
30.55 |
|
204×14Ⅱ |
240 |
14 |
54 |
9 |
≤3 |
43.67 |
34.32 |
|
270×12Ⅱ |
270 |
12 |
55 |
9.5 |
≤3 |
43.93 |
34.53 |
|
270×14Ⅱ |
270 |
14 |
57 |
9.5 |
≤3 |
49.33 |
38.77 |
Notes: please inquire us for special requirements of thickness.
Dimension Tolerances of bulb flat
|
Nominal dimensions (mm)
|
Tolerances of products (mm) |
|||||
|
b |
t |
h |
b |
t |
h |
|
|
＞ |
≤ |
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80 |
120 |
5~8 |
19~30 |
±1.5 |
+0.7 |
±0.5 |
|
120 |
180 |
6~11 |
26~38 |
±2.0 |
+1.0 |
±0.8 |
|
180 |
300 |
8~14 |
37~57 |
±3.0 |
+1.1 |
±0.95 |
|
300 |
400 |
11~20 |
58~8205 |
±4.0 |
+1.3 |
±1.1 |