| 管材系列和规格尺寸： |
| |
|
公称外径
|
平均外径
|
S系列
|
|
S5
|
S4
|
S3.2
|
S2.5
|
S2
|
|
dem,min
|
dem,max
|
公称壁厚（en,mm）
|
|
20
|
20.0
|
20.3
|
2.0
|
2.3
|
2.8
|
3.4
|
4.1
|
|
25
|
25.0
|
25.3
|
2.3
|
2.8
|
3.5
|
4.2
|
5.1
|
|
32
|
32.0
|
32.3
|
2.9
|
3.6
|
4.4
|
5.4
|
6.5
|
|
40
|
40.0
|
40.4
|
3.7
|
4..5
|
5.5
|
6.7
|
8.1
|
|
50
|
50.0
|
50.5
|
4.6
|
5.6
|
6.9
|
8.3
|
10.1
|
|
63
|
63.0
|
63.6
|
5.8
|
7.1
|
8.6
|
10.5
|
12.7
|
|
75
|
75.0
|
75.7
|
6.8
|
8.4
|
10.3
|
12.5
|
15.1
|
|
90
|
90.0
|
90.9
|
8.2
|
10.1
|
12.3
|
15.0
|
18.1
|
|
110
|
110.0
|
111.0
|
10.0
|
12.3
|
15.1
|
18.3
|
22.1
|
|
| |
| |
| |
|
|
