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无缝钢管壁厚分级 |
| 公称直径DN Nominal Diameter DN | 外径Do Out side diameter Do | 壁厚 Wall thickness | ||||||||||||||
| SCH 5s | SCH 10s | SCH 20s | SCH 40s | SCH 80s | SCH 20 | SCH 30 | SCH 40 | SCH 60 | SCH 80 | SCH 100 | SCH 120 | SCH 140 | SCH 460 | XXS | ||
| 10 | 17 | 1.2 | 1.6 | 2.0 | 2.5 | 3.2 | 2.5 | 3.5 | ||||||||
| 15 | 22 | 1.6 | 2.0 | 2.5 | 3.0 | 4.0 | 3.0 | 4.0 | 5.0 | 7.5 | ||||||
| 20 | 27 | 1.6 | 2.0 | 2.5 | 3.0 | 4.0 | 3.0 | 4.0 | 5.5 | 8.0 | ||||||
| 25 | 34 | 1.6 | 2.8 | 3.0 | 3.5 | 4.5 | 3.5 | 4.5 | 6.5 | 9.0 | ||||||
| (32) | 42 | 1.6 | 2.8 | 3.0 | 3.5 | 5.0 | 3.5 | 5.0 | 6.5 | 10.0 | ||||||
| 40 | 48 | 1.6 | 2.8 | 3.0 | 4.0 | 5.0 | 4.0 | 5.0 | 7.0 | 10.0 | ||||||
| 50 | 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 | |||
| (65) | 76 | 2.0 | 3.0 | 3.5 | 5.0 | 7.0 | 4.5 | 5.0 | 6.0 | 7.0 | 8.0 | 9.5 | 14.0 | |||
| 80 | 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 | |||
| 100 | 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 | |||
| (125) | 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 | |||
| 150 | 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 | ||
| 200 | 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 |
| 250 | 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 |
| 300 | 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 |
| 350 | 356 | 4.0 | 5.0 | 8.0 | 9.5 | 11.0 | 15.0 | 19.0 | 24.0 | 28.0 | 32.0 | 36.0 | ||||
| 400 | 406 | 4.5 | 5.0 | 8.0 | 9.5 | 13.0 | 17.0 | 22.0 | 26.0 | 32.0 | 36.0 | 40.0 | ||||
| 450 | 457 | 8.0 | 11.0 | 14.0 | 19.0 | 24.0 | 30.0 | 35.0 | 40.0 | 45.0 | ||||||
| 500 | 508 | 9.5 | 13.0 | 15.0 | 20.0 | 26.0 | 32.0 | 38.0 | 45.0 | 50.0 | ||||||
| 550 | 559 | 9.5 | 13.0 | 17.0 | 22.0 | 28.0 | 35.0 | 42.0 | 48.0 | 54.0 | ||||||
| 600 | 610 | 9.5 | 14.0 | 18.0 | 25.0 | 32.0 | 38.0 | 45.0 | 52.0 | 60.0 | ||||||
| 注:壁厚表号后面带S者仅适用于奥氏不锈钢管. Note:Thickness table number with S only applicable to austenitic austenitic stainless steel pipe. |
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