管材尺寸美标-国标对照表

通俗美标国标通径SCH20SCH30SCH40

4分2/1″DN15Φ22---

6分3/4″DN20Φ27---

8分1″DN25Φ34---1-1/4″DN32Φ42---

1-1/2″DN40Φ48---

2″DN50Φ60 3.5- 4.0

2-1/2″DN65Φ76 4.5- 5.0

3″DN80Φ89 4.5- 5.5

4″DN100Φ114 5.0- 6.0

5″DN125Φ140 5.0- 6.5

6″DN150Φ168 5.5 6.57.0

8″DN200Φ219 6.57.08.0

10″DN250Φ273 6.58.09.5

12″DN300Φ325 6.58.510.0

14″DN350Φ3778.09.511.0

16″DN400Φ4268.09.5

18″DN450Φ4808.011.0

20″DN500Φ5309.513.0

22″DN550Φ558

24″DN600Φ6309.514.0

SCH80SCH160XXS

3.0

4.0

5.0

3.0

4.07.0

3.5

4.59.0

3.5 5.0-

4.0

5.010.0

5.0--

6.0--

6.5--

7.0--

8.0--

9.5-28.0

10.0-35.0

13.0-40.0

14.0-

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