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(2015年)最新公称压力(MPa)管道壁厚对照表
材料 |
PN
MPa |
DN | ||||||||||||||||||||
10 |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
| ||
20
12CrMo
15CrMo
12Cr1MoV |
≤1.6 |
2.5 |
3 |
3 |
3 |
3 |
3.5 |
3.5 |
4 |
4 |
4 |
4 |
4.5 |
5 |
6 |
7 |
7 |
8 |
8 |
8 |
9 |
|
2.5 |
2.5 |
3 |
3 |
3 |
2 |
3.5 |
3.5 |
4 |
4 |
4 |
4 |
4.5 |
5 |
6 |
7 |
7 |
8 |
8 |
9 |
10 |
| |
4.0 |
2.5 |
3 |
3 |
3 |
3 |
3.5 |
3.5 |
4 |
4 |
4.5 |
5 |
5.5 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
15 |
| |
6.4 |
3 |
3 |
3 |
3.5 |
3.5 |
3.5 |
4 |
4.5 |
5 |
6 |
7 |
8 |
9 |
11 |
12 |
14 |
16 |
17 |
19 |
22 |
| |
10.0 |
3 |
3.5 |
3.5 |
4 |
4.5 |
4.5 |
5 |
6 |
7 |
8 |
9 |
10 |
13 |
15 |
18 |
20 |
22 |
|
|
|
| |
16.0 |
4 |
4.5 |
5 |
5 |
6 |
6 |
7 |
8 |
9 |
11 |
13 |
15 |
19 |
24 |
26 |
30 |
34 |
|
|
|
| |
20.0 |
4 |
4.5 |
5 |
6 |
6 |
7 |
8 |
9 |
11 |
13 |
15 |
18 |
22 |
28 |
32 |
36 |
|
|
|
|
| |
4.0T |
3.5 |
4 |
4 |
4.5 |
5 |
5 |
5.5 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
10
Cr5Mo |
≤1.6 |
2.5 |
3 |
3 |
3 |
3 |
3.5 |
3.5 |
4 |
4.5 |
4 |
4 |
4.5 |
5.5 |
7 |
7 |
8 |
8 |
8 |
8 |
9 |
|
2.5 |
2.5 |
3 |
3 |
3 |
3 |
3.5 |
3.5 |
4 |
4.5 |
4 |
5 |
4.5 |
5.5 |
7 |
7 |
8 |
9 |
9 |
10 |
12 |
| |
4.0 |
2.5 |
3 |
3 |
3 |
3 |
3.5 |
3.5 |
4 |
4.5 |
5 |
5.5 |
6 |
8 |
9 |
10 |
11 |
12 |
14 |
15 |
18 |
| |
6.4 |
3 |
3 |
3 |
3.5 |
4 |
4 |
4.5 |
5 |
5.5 |
7 |
8 |
9 |
11 |
13 |
14 |
16 |
18 |
20 |
22 |
26 |
| |
10.0 |
3 |
3.5 |
4 |
4 |
4.5 |
5 |
5.5 |
7 |
8 |
9 |
10 |
12 |
15 |
18 |
22 |
24 |
26 |
|
|
|
| |
16.0 |
4 |
4.5 |
5 |
5 |
6 |
7 |
8 |
9 |
10 |
12 |
15 |
18 |
22 |
28 |
32 |
36 |
40 |
|
|
|
| |
20.0 |
4 |
4.5 |
5 |
6 |
7 |
8 |
9 |
11 |
12 |
15 |
18 |
22 |
26 |
34 |
38 |
|
|
|
|
|
| |
4.0T |
3.5 |
4 |
4 |
4.5 |
5 |
5 |
5.5 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
16Mn
15MnV |
≤1.6 |
2.5 |
2.5 |
2.5 |
3 |
3 |
3 |
3 |
3.5 |
3.5 |
3.5 |
3.5 |
4 |
4.5 |
5 |
5.5 |
6 |
6 |
6 |
6 |
7 |
|
2.5 |
2.5 |
2.5 |
2.5 |
3 |
3 |
3 |
3 |
3.5 |
3.5 |
3.5 |
3.5 |
4 |
4.5 |
5 |
5.5 |
6 |
7 |
7 |
8 |
9 |
| |
4.0 |
2.5 |
2.5 |
2.5 |
3 |
3 |
3 |
3 |
3.5 |
3.5 |
4 |
4.5 |
5 |
6 |
7 |
8 |
8 |
9 |
10 |
11 |
12 |
|