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720螺旋焊接管多少米做支架/无锡螺旋管是干什么用的
自来水工程、石化工业、化学工业、电力工业、农业灌溉、城市建设，是我国开发的二十个重点产品之一。作液体输送用：给水、排水。作气体输送用：煤气、蒸气、液化石油气。作结构用：作打桩管、作桥梁；码头、道路、建筑结构用管等。
|
公称外径 nominal O.D |
公称壁厚 Nominal Wall Thickness mm |
|||||||||||||||
|
5.0 |
5.5 |
6.0 |
7.0 |
8.0 |
9.0 |
10.0 |
11.0 |
12.0 |
13.0 |
14.0 |
15.0 |
16.0 |
18.0 |
20.0 |
22.0 |
|
|
219 |
26.39 |
28.96 |
31.51 |
36.60 |
41.63 |
|
|
|
|
|
|
|
|
|
|
|
|
273 |
33.04 |
36.28 |
39.51 |
45.92 |
|
|
|
|
|
|
|
|
|
|
|
|
|
325 |
39.46 |
43.33 |
47.26 |
54.90 |
62.54 |
70.13 |
|
|
|
|
|
|
|
|
|
|
|
377 |
45.88 |
50.39 |
54.89 |
63.87 |
72.80 |
81.67 |
|
|
|
|
|
|
|
|
|
|
|
426 |
51.91 |
57.03 |
62.14 |
72.33 |
82.46 |
92.55 |
102.59 |
|
|
|
|
|
|
|
|
|
|
457 |
55.73 |
61.24 |
66.73 |
77.69 |
88.58 |
99.43 |
110.23 |
120.98 |
131.60 |
142.34 |
|
|
|
|
|
|
|
508 |
|
|
74.28 |
86.48 |
98.64 |
110.75 |
122.81 |
134.82 |
146.78 |
158.69 |
|
|
|
|
|
|
|
529 |
|
|
77.38 |
90.11 |
102.78 |
115.41 |
127.99 |
140.51 |
152.99 |
165.42 |
|
|
|
|
|
|
|
559 |
|
|
81.82 |
95.29 |
108.70 |
122.07 |
135.38 |
148.65 |
161.87 |
175.04 |
|
|
|
|
|
|
|
610 |
|
|
89.37 |
104.09 |
118.76 |
133.39 |
147.96 |
162.48 |
176.96 |
191.39 |
|
|
|
|
|
|
|
630 |
|
|
92.33 |
107.54 |
122.71 |
137.82 |
152.89 |
167.91 |
182.88 |
197.80 |
|
|
|
|
|
|
|
660 |
|
|
96.77 |
112.72 |
128.63 |
144.48 |
160.29 |
176.05 |
191.76 |
207.42 |
|
|
|
|
|
|
|
720 |
|
|
105.64 |
123.08 |
140.46 |
157.80 |
175.09 |
192.32 |
209.51 |
226.65 |
|
|
|
|
|
|
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