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(2010年)最新公稱壓力（MPa)管道壁厚對(duì)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
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
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