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公称通径钢管换算表
双击自动滚屏 发布者：www.jswfgxs.com　发布时间：2010/12/6　阅读：2799次　【字体：大 中 小】

公称通径钢管换算表

公称通径
Norminal Pipe Size DN

外径
Outside Diameter

 

公 称 壁 厚 T
Norminal Wall Thickness

 

A系列
Series A
B系列
Series B
sch5s
sch10s
sch20s
LG
sch20
sch30
STD
sch40
sch60
xs
sch80
sch100
sch120
sch140
sch160
15
21.3
18
1.6
2.1
2.6
---
---
---
---
2.9
---
---
3.6
---
---
---
4.5
20
26.9
25
1.6
2.1
2.6
---
---
---
---
2.9
---
---
4
---
---
---
5.6
25
33.7
32
1.6
2.8
3.2
---
---
---
---
3.2
---
---
4.5
---
---
---
6.3
32
42.4
38
1.6
28
3.2
---
---
---
---
3.6
---
---
5
---
---
---
6.3
40
48.3
45
1.6
2.8
3.2
---
---
---
---
3.6
---
---
5
---
---
---
7.1
50
60.3
57
1.6
2.8
3.6
---
3.2
---
---
4
---
---
5.6
---
---
---
8.8
65
76.1
76
2
3
3.6
---
4.5
---
---
5
---
---
7.1
---
---
---
10
80
88.9
89
2
3
4
---
4.5
---
---
5.6
---
---
8
---
---
---
11
90
101.6
---
2
3
4
---
4.5
---
---
5.6
---
---
8
---
---
---
12.5
100
114.3
108
2
3
4
---
5
---
---
5.9
---
---
8.8
---
11
---
14.2
125
139.7
133
2.9
3.4
5
---
5
---
---
6.3
---
---
10
---
12.5
---
16
150
168.3
159
2.9
3.4
5
---
5.6
---
---
7.1
---
---
11.1
---
14.2
---
17.5
200
219.1
219
2.9
4
6.3
---
6.3
7.1
---
8
10
---
12.5
16
17.5
20
22.2
250
273
273
3.6
4
6.3
---
6.3
8
---
8.8
12.5
---
16
17.5
22.2
25
28
300
323.9
325
4
4.5
6.3
---
6.3
8.8
---
10
14.2
---
17.5
22.2
25
28
32
350
355.6
377
4
5
8
8
8
10
10
11
16
13
20
25.8
28
32
36
400
406.4
426
4
5
8
8
8
10
10
12.5
17.5
13
22.2
28
30
36
40
450
457.2
478
4
5
8
8
8
11
10
14.2
20
13
25
30
36
40
45
500
508
529
5
5.6
8
8
10
12.5
10
16
20
13
28
32
40
45
50
550
559
---
5
5.6
---
8
---
---
10
---
---
13
30
 
600
610
630
5.6
6.3
---
8
---
---
10
17.5
---
13
32
650
660
---
---
---
---
8
---
---
10
---
---
13
 注：1、sch5s、10s、40s、80s用于不锈钢管件
2、GB 12459为无缝对焊管件标准，GB/T 13401为钢板制对焊管件标准。
700
711
720
---
---
---
8
---
---
10
---
---
13
750
762
---
---
---
---
8
---
---
10
---
---
13
800
813
820
---
---
---
8
---
---
10
---
---
13
850
864
---
---
---
---
8
---
---
10
---
---
13
900
914
920
---
---
---
8
---
---
10
---
---
13
950
965
---
---
---
---
8
---
---
10
---
---
13
1000
1016
1020
---
---
---
8
---
---
10
---
---
13
1050
1067
---
---
---
---
8
---
---
10
---
---
13
1100
1118
1120
---
---
---
8
---
---
10
---
---
13
1150
1168
---
---
---
---
8
---
---
10
---
---
13
1200
1220
1220
---
---
---
8
---
---
10
---
---
13




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