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DN钢管sch对照表

DN钢管sch壁厚对照表


A系列
B系列
sch5s
sch10s
sch20s
LG
sch20
sch30
STD
sch40
sch60
xs
sch80
sch100
sch120
sch140
sch160


Series A
Series B

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

700
711
720
---
---
---
8
---
---
10
---
---
13
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。

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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