|
不锈钢管件尺寸
公称直径 |
端部外径 |
DN |
英寸(inch) |
国标A系列(MM) |
国标B系列(MM) |
15 |
1/2 |
21.3 |
18 |
20 |
3/4 |
26.9 |
25 |
25 |
1 |
33.7 |
32 |
32 |
1.1/4 |
42.4 |
38 |
40 |
1.1/2 |
48.3 |
45 |
50 |
2 |
60.3 |
57 |
65 |
2.1/2 |
76.1(73) |
76 |
80 |
3 |
88.9 |
89 |
90 |
3.1/2 |
101.6 |
- |
100 |
4 |
114.3 |
108 |
125 |
5 |
139.7 |
133 |
150 |
6 |
168.3 |
159 |
200 |
8 |
219.1 |
219 |
250 |
10 |
273.0 |
273 |
300 |
12 |
323.9 |
325 |
350 |
14 |
355.6 |
377 |
400 |
16 |
406.4 |
426 |
450 |
18 |
457.2 |
478 |
500 |
20 |
508.0 |
529 |
550 |
22 |
559 |
- |
600 |
24 |
610 |
630 |
650 |
26 |
660 |
- |
700 |
28 |
711 |
720 |
750 |
30 |
762 |
- |
800 |
32 |
813 |
820 |
850 |
34 |
864 |
- |
900 |
36 |
914 |
920 |
950 |
38 |
965 |
- |
1000 |
40 |
1016 |
1020 |
1050 |
42 |
1067 |
- |
1100 |
44 |
1118 |
1120 |
1150 |
46 |
1168 |
- |
|