一、无缝碳钢管壁厚(mm)
材料 |
PN(MPa) |
DN(mm) |
|||||||||||||||||||
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 |
|
|
|
|
二、无缝不锈钢管壁厚(mm)
材料 |
PN(MPa) |
DN(mm) |
|||||||||||||||||||
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
材料 |
PN(MPa) |
DN(mm) |
|||||||||||||||
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 |
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 |
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 |
|
|
|
|
|
|