标称管径 |
外径 |
许可公差 |
SCH 10S |
SCH 20S |
|||||
A |
B |
mm |
% |
厚度 mm |
许可公差 % |
单位质量 kg/m |
厚度 mm |
许可公差 % |
单位质量 kg/m |
50 |
2 |
60.5 |
±1 |
2.8 |
±10 |
4.02 |
3.5 |
±10 |
4.97 |
65 |
2½ |
76.3 |
3.0 |
5.48 |
3.5 |
6.35 |
|||
80 |
3 |
89.1 |
3.0 |
6.43 |
4.0 |
8.48 |
|||
100 |
4 |
114.3 |
3.0 |
8.32 |
4.0 |
11.0 |
|||
125 |
5 |
139.8 |
3.4 |
11.6 |
5.0 |
16.8 |
|||
150 |
6 |
165.2 |
3.4 |
13.7 |
5.0 |
20.0 |
|||
200 |
8 |
216.3 |
4.0 |
21.2 |
6.5 |
34.0 |
|||
250 |
10 |
267.4 |
4.0 |
26.2 |
6.5 |
42.2 |
|||
300 |
12 |
318.5 |
4.5 |
35.2 |
6.5 |
50.5 |