序号 | 公称直径 DN(mm) | 英制 NPS(?迹?/td> | 国内外径 mm | 奥氏体不锈钢管道壁厚系列 | 焊接和无缝钢管壁厚系列 | ||||||||||||||
SCH5S | SCH 10S | SCH 20S | SCH 40S | SCH 80S | SCH20 | SCH30 | SCH40 | SCH60 | SCH80 | SCH100 | SCH120 | SCH140 | SCH160 | XXS | |||||
1 | 10 | 3/8 | 17 | 1.2 | 1.6 | 2.0 | 2.5 | 3.2 | 2.5 | 3.5 | |||||||||
2 | 15 | 1/2 | 22 | 1.6 | 2.0 | 2.5 | 3.0 | 4.0 | 3.0 | 4.0 | 5.0 | 7.5 | |||||||
3 | 20 | 3/4 | 27 | 1.6 | 2.0 | 2.5 | 3.0 | 4.0 | 3.0 | 4.0 | 5.5 | 8.0 | |||||||
4 | 25 | 1 | 34 | 1.6 | 2.8 | 3.0 | 3.5 | 4.5 | 3.5 | 4.5 | 6.5 | 9.0 | |||||||
5 | 32 | 1 1/4 | 42 | 1.6 | 2.8 | 3.0 | 3.5 | 5.0 | 3.5 | 5.0 | 6.5 | 10.0 | |||||||
6 | 40 | 1 1/2 | 48 | 1.6 | 2.8 | 3.0 | 4.0 | 5.0 | 4.0 | 5.0 | 7.0 | 10.0 | |||||||
7 | 50 | 2 | 60 | 1.6 | 2.8 | 3.5 | 4.0 | 5.5 | 3.5 | 4.0 | 5.0 | 5.5 | 7.0 | 8.5 | 11.0 | ||||
8 | 65 | 2 1/2 | 76 | 2.0 | 3.0 | 3.5 | 5.0 | 7.0 | 4.5 | 5.0 | 6.0 | 7.0 | 8.0 | 9.0 | 14.0 | ||||
9 | 80 | 3 | 89 | 2.0 | 3.0 | 4.0 | 5.5 | 7.5 | 4.5 | 5.5 | 6.5 | 7.5 | 9.0 | 11.0 | 15.0 | ||||
10 | 100 | 4 | 114 | 2.0 | 3.0 | 4.0 | 6.0 | 8.5 | 5.0 | 6.0 | 7.0 | 8.5 | 11.0 | 14.0 | 17.0 | ||||
11 | 125 | 5 | 140 | 2.8 | 3.5 | 5.0 | 6.5 | 9.5 | 5.0 | 6.5 | 8.0 | 9.5 | 13.0 | 16.0 | 19.0 | ||||
12 | 150 | 6 | 168 | 2.8 | 3.5 | 5.0 | 7.0 | 11.0 | 5.5 | 6.5 | 7.0 | 9.5 | 11.0 | 14.0 | 18.0 | 22.0 | |||
13 | 200 | 8 | 219 | 2.8 | 4.0 | 6.5 | 8.0 | 13.0 | 6.5 | 7.0 | 8.0 | 10.0 | 13.0 | 15.0 | 18.0 | 20.0 | 24.0 | 23.0 | |
14 | 250 | 10 | 273 | 3.5 | 4.0 | 6.5 | 9.5 | 15.0 | 6.5 | 8.0 | 9.5 | 13.0 | 15.0 | 18.0 | 22.0 | 25.0 | 28.0 | 25.0 | |
15 | 300 | 12 | 325 | 4.0 | 4.5 | 6.5 | 9.5 | 17.0 | 6.5 | 8.5 | 10.0 | 14.0 | 17.0 | 22.0 | 25.0 | 28.0 | 34.0 | 26.0 | |
16 | 350 | 14 | 356 | 4.0 | 5.0 | 8.0 | 9.5 | 11.0 | 15.0 | 19.0 | 24.0 | 28.0 | 32.0 | 36.0 | |||||
17 | 400 | 16 | 406 | 4.5 | 5.0 | 8.0 | 9.5 | 13.0 | 17.0 | 22.0 | 26.0 | 32.0 | 36.0 | 40.0 | |||||
18 | 450 | 18 | 457 | 8.0 | 11.0 | 14.0 | 19.0 | 24.0 | 30.0 | 35.0 | 40.0 | 45.0 | |||||||
19 | 500 | 20 | 508 | 9.5 | 13.0 | 15.0 | 20.0 | 26.0 | 320 | 38.0 | 45.0 | 50.0 | |||||||
20 | 550 | 22 | 559 | 9.5 | 13.0 | 17.0 | 22.0 | 28.0 | 35.0 | 42.0 | 48.0 | 54.0 | |||||||
21 | 600 | 24 | 610 | 9.5 | 14.0 | 18.0 | 25.0 | 32.0 | 38.0 | 45.0 | |||||||||