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 |
|
|
|
|
|
|