2011年最新公称压力(MPa)管道壁厚对照表
2012-12-19 15:03 来源: 我的有色网
(一)无缝碳钢管壁厚 mm
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不锈钢
|
≤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
|
(三)焊接钢管壁厚 mm
材料
|
PN
MPa
|
DN
|
|||||||||||||||
200
|
250
|
300
|
350
|
400
|
450
|
500
|
600
|
700
|
800
|
900
|
1000
|
1100
|
1200
|
1400
|
1600
|
||
焊接碳钢管
(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
|
|||||||
焊接不锈钢管
|
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
|