電 話:0510-83239979
手 機:13357925234、13771545693
Q Q:1819121666
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聯(lián)系人:麻經理
地 址:無錫市惠山區(qū)西漳工業(yè)園
正常的管道壓力等級劃分是根據設計壓力:低壓:0<p≤1.6MPa,中壓:1.6<p≤IOMPa,高壓:IOMPa<p≤42MPa。蒸汽管道p≥9MPa、工作溫度≥500℃時為高壓。設計壓力是低壓,而壁厚達到中壓或高壓,可按中壓和高壓套定額。
最新壓力管道壁厚表-常用管道壁厚等級表
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 |
| |
6.4 |
2.5 |
3 |
3 |
3 |
3.5 |
3.5 |
3.5 |
4 |
4.5 |
5 |
6 |
7 |
8 |
9 |
11 |
12 |
13 |
14 |
16 |
18 |
| |
10.0 |
3 |
3 |
3.5 |
3.5 |
4 |
4 |
4.5 |
5 |
6 |
7 |
8 |
9 |
11 |
13 |
15 |
17 |
19 |
|
|
|
| |
16.0 |
3.5 |
3.5 |
4 |
4.5 |
5 |
5 |
6 |
7 |
8 |
9 |
11 |
12 |
16 |
19 |
22 |
25 |
28 |
|
|
|
| |
20.0 |
3.5 |
4 |
4.5 |
5 |
5.5 |
6 |
7 |
8 |
9 |
11 |
13 |
15 |
19 |
24 |
26 |
30 |
|
|
|
|
|
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 | ||
1Cr18Ni9Ti
含Mo不銹鋼 |
≤1.0 |
2 |
2 |
2 |
2.5 |
2.5 |
2.5 |
2.5 |
2.5 |
2.5 |
3 |
3 |
3.5 |
3.5 |
3.5 |
4 |
4 |
4.5 |
|
|
|
1.6 |
2 |
2.5 |
2.5 |
2.5 |
2.5 |
2.5 |
3 |
3 |
3 |
3 |
3 |
3.5 |
3.5 |
4 |
4.5 |
5 |
5 |
|
|
| |
2.5 |
2 |
2.5 |
2.5 |
2.5 |
2.5 |
2.5 |
3 |
3 |
3 |
3.5 |
3.5 |
4 |
4.5 |
5 |
6 |
6 |
7 |
|
|
| |
4.0 |
2 |
2.5 |
2.5 |
2.5 |
2.5 |
2.5 |
3 |
3 |
3.5 |
4 |
4.5 |
5 |
6 |
7 |
8 |
9 |
10 |
|
|
| |
6.4 |
2.5 |
2.5 |
2.5 |
3 |
3 |
3 |
3.5 |
4 |
4.5 |
5 |
6 |
7 |
8 |
10 |
11 |
13 |
14 |
|
|
| |
4.0T |
3 |
3.5 |
3.5 |
4 |
4 |
4 |
4.5 |
|
|
|
|
|
|
|
|
|
|
|
|
|
材料 |
PN
MPa |
DN | |||||||||||||||
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
700 |
800 |
900 |
1000 |
1100 |
1200 |
1400 |
1600 | ||
焊接碳鋼管
(Q235A20) |
0.25 |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
6 |
6 |
6 |
6 |
6 |
6 |
7 |
7 |
7 |
0.6 |
5 |
5 |
6 |
6 |
6 |
6 |
6 |
7 |
7 |
7 |
7 |
8 |
8 |
8 |
9 |
10 | |
1.0 |
5 |
5 |
6 |
6 |
6 |
7 |
7 |
8 |
8 |
9 |
9 |
10 |
11 |
11 |
12 |
| |
1.6 |
6 |
6 |
7 |
7 |
8 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
|
| |
2.5 |
7 |
8 |
9 |
9 |
10 |
11 |
12 |
13 |
15 |
16 |
|
|
|
|
|
| |
焊接不銹鋼管 |
0.25 |
3 |
3 |
3 |
3 |
3.5 |
3.5 |
3.5 |
4 |
4 |
4 |
4.5 |
4.5 |
|
|
|
|
0.6 |
3 |
3 |
3.5 |
3.5 |
3.5 |
4 |
4 |
4.5 |
5 |
5 |
6 |
6 |
|
|
|
| |
1.0 |
3.5 |
3.5 |
4 |
4.5 |
4.5 |
5 |
5.5 |
6 |
7 |
7 |
8 |
|
|
|
|
| |
1.6 |
4 |
4.5 |
5 |
6 |
6 |
7 |
7 |
8 |
9 |
10 |
|
|
|
|
|
| |
2.5 |
5 |
6 |
7 |
8 |
9 |
9 |
10 |
12 |
13 |
15 |
|
|
|
|
|
|
|