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| 帝一大口径直缝焊管的规格表 |
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发布者：www.jmwfgc.com 发布时间：2017/12/13 阅读：1193次 【字体：大 中 小】 |
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外径
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壁厚（mm）
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|
DN
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mm
|
12
|
14
|
16
|
18
|
20
|
22
|
25
|
28
|
30
|
32
|
35
|
36
|
38
|
40
|
45
|
50
|
|
14
|
356
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●
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●
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●
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●
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|
|
16
|
406
|
●
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●
|
●
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●
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●
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●
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●
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|
|
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|
|
18
|
450
|
●
|
●
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●
|
●
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●
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●
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●
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|
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|
|
|
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|
|
18
|
460
|
●
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●
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●
|
●
|
●
|
●
|
●
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|
|
|
|
|
|
|
|
|
20
|
508
|
●
|
●
|
●
|
●
|
●
|
●
|
●
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●
|
●
|
●
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|
|
|
|
|
|
|
22
|
560
|
●
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●
|
●
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●
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●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
|
|
|
|
|
24
|
610
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
|
|
|
|
|
25
|
630
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
|
|
|
26
|
660
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
|
|
|
28
|
711
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
|
|
|
30
|
762
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
|
|
32
|
812
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
|
34
|
863
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
|
36
|
915
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
|
38
|
965
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
|
40
|
1016
|
●
|
●
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●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
|
42
|
1066
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
|
44
|
1117
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
|
●
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●
|
●
|
●
|
●
|
|
46
|
1168
|
●
|
●
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●
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●
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●
|
●
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●
|
●
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●
|
●
|
●
|
●
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●
|
●
|
●
|
●
|
|
48
|
1219
|
●
|
●
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●
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●
|
●
|
●
|
●
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●
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●
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●
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●
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●
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●
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●
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●
|
●
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|
52
|
1320
|
●
|
●
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●
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●
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●
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●
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●
|
●
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●
|
●
|
●
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●
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●
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●
|
●
|
●
|
|
56
|
1422
|
●
|
●
|
●
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●
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●
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●
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●
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●
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●
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●
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●
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●
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●
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