公稱通徑

外徑

公稱壁厚 T

NPS

DN

D

SCH5s

SCH10s

SCH10

SCH20

SHC30

SCH40s

STD

SCH40

SCH60

SCH80s

XS

SCH80

SCH100

SCH120

SCH140

SCH160

XXS

1/8

6

10.3

-

1.24

1.24

-

1.45

1.73

1.73

1.73

-

2.41

2.41

2.41

-

-

-

-

-

1/4

8

13.7

-

1.65

1.65

-

1.85

2.24

2.24

2.24

-

3.02

3.02

3.02

-

-

-

-

-

3/8

10

17.1

-

1.65

1.65

-

1.85

2.31

2.31

2.31

-

3.2

3.2

3.2

-

-

-

-

-

1/2

15

21.3

1.65

2.11

2.11

-

2.41

2.77

2.77

2.77

-

3.73

3.73

3.73

-

-

-

4.78

7.47

3/4

20

26.7

1.65

2.11

2.11

-

2.41

2.87

2.87

2.87

-

3.91

3.91

3.91

-

-

-

5.56

7.82

1

25

33.4

1.65

2.77

2.77

-

2.9

3.38

3.38

3.38

-

4.55

4.55

4.55

-

-

-

6.35

9.09

1 1/4

32

42.2

1.65

2.77

2.77

-

2.97

3.56

3.56

3.56

-

4.85

4.85

4.85

-

-

-

6.35

9.7

1 1/2

40

48.3

1.65

2.77

2.77

-

3.18

3.68

3.68

3.68

-

5.08

5.08

5.08

-

-

-

7.14

10.15

2

50

60.3

1.65

2.77

2.77

-

3.18

3.91

3.91

3.91

-

5.54

5.54

5.54

-

-

-

8.74

11.07

2 1/2

65

73

2.11

3.05

3.05

-

4.78

5.16

5.16

5.16

-

7.01

7.01

7.01

-

-

-

9.53

14.02

3

80

88.9

2.11

3.05

3.05

-

4.78

5.49

5.49

5.49

-

7.62

7.62

7.62

-

-

-

11.13

15.24

3 1/2

90

101.6

2.11

3.05

3.05

-

4.78

5.74

5.74

5.74

-

8.08

8.08

8.08

-

-

-

-

-

4

100

114.3

2.11

3.05

3.05

-

4.78

6.02

6.02

6.02

-

8.56

8.56

8.56

-

11.13

-

13.49

17.12

5

125

141.3

2.77

3.4

3.4

-

-

6.55

6.55

6.55

-

9.53

9.53

9.53

-

12.7

-

15.88

19.05

6

150

168.3

2.77

3.4

3.4

-

-

7.11

7.11

7.11

-

10.97

10.97

10.97

-

14.27

-

18.26

21.95

8

200

219.1

2.77

3.76

3.76

6.35

7.04

8.18

8.18

8.18

10.31

12.7

12.7

12.7

15.09

18.26

20.62

23.01

22.23

10

250

273.1

3.4

4.19

4.19

6.35

7.8

9.27

9.27

9.27

12.7

12.7

12.7

15.09

18.26

21.44

25.4

28.58

25.4

12

300

323.9

3.96

4.57

4.57

6.35

8.38

9.53

9.53

10.31

14.27

12.7

12.7

17.48

21.44

25.4

28.58

33.32

25.4

14

350

355.6

3.96

4.78

6.35

7.92

9.53

-

9.53

11.13

15.09

-

12.7

19.05

23.83

27.79

31.75

35.71

-

16

400

406.4

4.19

4.78

6.35

7.92

9.53

-

9.53

12.7

16.66

-

12.7

21.44

26.19

30.96

36.53

40.49

-

18

450

457.2

4.19

4.78

6.35

7.92

11.13

-

9.53

14.27

19.05

-

12.7

23.83

29.36

34.96

39.67

45.24

-

公稱通徑

外徑

公稱壁厚 T

NPS

DN

D

SCH5s

SCH10s

SCH10

SCH20

SHC30

SCH40s

STD

SCH40

SCH60

SCH80s

XS

SCH80

SCH100

SCH120

SCH104

SCH160

XXS

20

500

508

4.78

5.54

6.35

9.53

12.7

-

9.53

15.09

20.62

-

12.7

26.19

32.54

38.1

44.45

50.01

-

22

550

558.8

4.78

5.54

6.35

9.53

12.7

-

9.53

-

22.23

-

12.7

28.58

34.93

41.28

47.63

53.98

-

24

600

609.6

5.54

6.35

6.35

9.53

14.27

-

9.53

17.48

24.61

-

12.7

30.96

38.89

46.02

52.37

59.54

-

26

650

660.4

-

-

7.92

12.7

-

-

9.53

-

-

-

12.7

-

-

-

-

-

-

28

700

711.2

-

-

7.92

12.7

15.88

-

9.53

-

-

-

12.7

-

-

-

-

-

-

30

750

762

6.35

7.92

7.92

12.7

15.88

-

9.53

-

-

-

12.7

-

-

-

-

-

-

32

800

812.8

-

-

7.92

12.7

15.88

-

9.53

17.48

-

-

12.7

-

-

-

-

-

-

34

850

863.6

-

-

7.92

12.7

15.88

-

9.53

17.48

-

-

12.7

-

-

-

-

-

-

36

900

914.4

-

-

7.92

12.7

15.88

-

9.53

17.48

-

-

12.7

-

-

-

-

-

-

38

950

965.2

-

-

-

-

-

-

9.53

-

-

-

12.7

-

-

-

-

-

-

40

1000

1016

-

-

-

-

-

-

9.53

-

-

-

12.7

-

-

-

-

-

-

42

1050

1067

-

-

-

-

-

-

9.53

-

-

-

12.7

-

-

-

-

-

-

44

1100

1118

-

-

-

-

-

-

9.53

-

-

-

12.7

-

-

-

-

-

-

46

1150

1168

-

-

-

-

-

-

9.53

-

-

-

12.7

-

-

-

-

-

-

48

1200

1219

-

-

-

-

-

-

9.53

-

-

-

12.7

-

-

-

-

-

-

52

1300

1321

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

56

1400

1422

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

60

1500

1524

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

64

1600

1626

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

68

1700

1727

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

72

1800

1829

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

76

1900

1930

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

80

2000

2032

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

注：SCH5s、10s、40s、80s屬于ANSI B36.19。