设计人员广泛使用的无缝钢管（高压锅炉管）管道壁厚表摘录
|
材料
|
PN
|
华人论坛亚洲DN
|
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
350
|
|
20#
12CrMoG
15CrMoG
12Cr1MoVG
|
≤1.6
|
4
|
4
|
4
|
4
|
4.5
|
5
|
6
|
7
|
7
|
|
2.5
|
4
|
4
|
4
|
4
|
4.5
|
5
|
6
|
7
|
7
|
|
4
|
4
|
4
|
4.5
|
5
|
5.5
|
7
|
8
|
9
|
10
|
|
6.4
|
4.5
|
5
|
6
|
7
|
8
|
9
|
11
|
12
|
14
|
|
10
|
6
|
7
|
8
|
9
|
10
|
13
|
15
|
18
|
20
|
|
16
|
8
|
9
|
11
|
13
|
15
|
19
|
24
|
26
|
30
|
|
20
|
9
|
11
|
13
|
15
|
18
|
22
|
28
|
32
|
36
|
|
4.0T
|
|
|
|
|
|
|
|
|
|
