规定外径D
Specified outside
diameter |
规定壁厚t mm
Specified thickness |
最低试验压力 |
钢 级 |
in |
mm |
L210
(A) |
L245
(B) |
L290
(X42) |
L320
(X46) |
L360
(X52) |
L390
(X56) |
L415
(X60) |
L450
(X65) |
L485
(X70) |
L555
(X80) |
38 |
6965.0 |
8.0
12.0
16.0
19.1
25.4
28.6
38.1
41.3
|
2.1
3.1
4.2
5.0
6.6
7.5
9.9
10.8
|
2.4
3.7
4.9
5.8
7.7
8.7
11.6
12.6
|
2.4
3.7
4.9
5.8
7.7
8.7
11.6
12.6
|
4.8
7.2
9.3
11.4
15.2
17.1
20.7
20.7
|
5.4
8.1
10.7
12.8
17.1
19.2
20.7
|
5.8
8.7
11.6
13.9
18.5
20.7
|
6.2
9.3
12.4
14.8
19.7
20.7
|
6.7
10.1
13.4
16.0
20.7
20.7
|
7.2
10.9
14.5
17.3
20.7
20.7
|
8.3
12.4
16.6
19.8
20.7
20.7 |
40 |
1016.0 |
8.0
13.0
18.0
19.1
25.4
28.6
38.1
44.5
|
2.0
3.2
4.5
4.7
6.3
7.1
9.5
11.0
|
2.3
3.8
5.2
5.5
7.4
8.3
11.0
12.9
|
4.1
6.7
9.3
9.8
13.1
14.7
19.6
20.7
|
4.5
7.4
10.2
10.8
14.4
16.2
20.7
|
5.1
8.3
11.5
12.2
16.2
18.2
20.7
|
5.5
9.0
12.4
13.2
17.6
19.8
|
5.9
9.6
13.2
14.0
18.7
20.7
|
6.4
10.4
14.4
15.2
20.3
20.7
|
6.9
11.2
15.5
16.4
20.7
20.7
|
7.9
12.8
17.7
18.8
20.7
20.7 |
|
(1020.0) |
8.0
13.0
18.0
25.4
28.6
31.8
38.1
44.5
|
2.0
3.2
4.5
6.3
7.1
7.9
9.4
11.0
|
2.3
3.8
5.2
7.3
8.2
9.2
11.0
12.8
|
4.1
6.7
9.2
13.0
14.6
16.3
19.5
20.7
|
4.5
7.3
10.2
14.3
16.2
18.0
20.7
20.7
|
5.1
8.3
11.4
16.1
18.2
20.2
20.7
20.7
|
5.5
8.9
12.4
17.5
19.7
20.7
20.7
|
5.9
9.5
13.2
18.6
20.7
20.7
|
6.4
10.3
14.3
20.2
20.7
20.7
|
6.8
11.1
15.4
20.7
20.7
20.7
|
7.8
12.7
17.6
20.7
20.7
|
42 |
1067.0 |
8.0
13.0
18.0
25.4
28.6
31.8
38.1
44.5
|
1.9
3.1
4.3
6.0
6.8
7.5
9.0
10.5
|
2.2
3.6
5.0
7.0
7.9
8.8
10.5
12.3
|
3.9
6.4
8.8
12.4
14.0
15.6
18.6
20.7
|
4.3
7.0
9.7
13.7
15.4
17.2
20.6
20.7
|
4.9
7.9
10.9
15.4
17.4
19.3
20.7
|
5.3
8.6
11.8
16.7
18.8
20.7
|
5.6
9.1
12.6
17.8
20.0
20.7
|
6.1
9.9
13.7
19.3
20.7
20.7
|
6.5
10.6
14.7
20.7
20.7
31.8
|
7.5
12.2
16.9
20.7
20.7 |
44 |
1118.0 |
8.0
13.0
18.0
25.4
28.6
31.8
38.1
44.5
|
1.8
2.9
4.1
5.7
6.4
7.2
8.6
10.0
|
2.1
3.4
4.7
6.7
7.5
8.4
10.0
11.7
|
3.7
6.1
8.4
11.9
13.4
14.8
17.8
20.7
|
3.7
6.1
8.4
11.9
13.4
14.8
17.8
20.7
|
4.6
7.5
10.4
14.7
16.6
18.4
20.7
|
5.0
8.2
11.3
15.9
18.0
20.0
|
5.3
8.7
12.0
17.0
19.1
20.7
|
5.8
9.4
13.0
18.4
20.7
20.7
|
6.2
10.2
14.1
19.8
20.7
20.7
|
7.1
11.6
16.1
20.7
20.7 |
46 |
1168.0 |
8.0
13.0
18.0
25.4
28.6
31.8
38.1
44.5
|
1.7
2.8
3.9
5.5
6.2
6.9
8.2
9.6
|
2.0
3.3
4.5
6.4
7.2
8.0
9.6
11.2
|
3.6
5.8
8.0
11.4
12.8
14.2
17.0
19.9
|
3.9
6.4
8.9
12.5
14.1
15.7
18.8
20.7
|
4.4
7.2
10.0
14.1
15.9
17.6
20.7
|
4.8
7.8
10.8
15.3
17.2
19.1
|
5.1
8.3
11.5
16.2
18.3
20.3
|
5.5
9.0
12.5
17.6
19.8
20.7
|
6.0
9.7
13.5
19.0
20.7
20.7
|
6.8
11.1
15.4
20.7
20.7 |
