公称通径

外径

每米重量  kg/m

DN

NPS

D

Sch10

Sch20

Sch30

STD

Sch40

Sch60

XS

Sch80

Sch

100

Sch

120

Sch

140

Sch

160

XXS

6

1/8

10.3

0.28

0.32

0.37

0.37

0.47

0.47

8

1/4

13.7

0.49

0.54

0.63

0.63

0.80

0.80

10

3/8

17.1

0.63

0.70

0.84

0.84

1.10

1.10

15

1/2

21.3

1.00

1.12

1.27

1.27

1.62

1.62

1.95

2.55

20

3/4

26.7

1.28

1.44

1.69

1.69

2.20

2.20

1.90

3.64

25

1

33.4

2.09

2.18

2.50

2.50

3.24

3.24

4.24

5.45

32

11/4

42.2

2.70

2.87

3.39

3.39

4.47

4.47

5.16

7.77

40

11/2

48.3

3.11

3.53

4.05

4.05

5.41

5.41

7.25

9.56

50

2

60.3

3.93

4.48

5.44

5.44

7.48

7.48

11.11

13.44

65

21/2

73.0

5.26

8.04

8.63

8.63

11.41

11.41

14.92

20.39

80

3

88.9

6.45

9.92

11.29

11.29

15.72

15.72

21.35

27.68

90

31/2

101.6

7.40

11.41

13.57

13.57

18.63

18.63

-

-

100

4

114.3

8.36

12.91

16.07

16.07

22.32

22.32

28.32

33.54

41.03

125

5

141.3

11.57

21.77

21.77

30.97

30.97

40.28

49.11

57.43

150

6

168.3

13.48

28.26

28.26

42.56

42.56

54.20

67.56

79.22

200

8

219.1

19.96

33.31

36.81

42.55

42.55

53.08

64.64

64.64

75.92

90.44

100.9

111.3

107.9

250

10

273.0

27.78

41.77

51.03

60.31

60.31

81.55

81.55

96.01

114.8

133.1

155.2

172.3

155.2

300

12

323.9

36.00

49.73

65.20

73.88

79.73

109.0

97.46

132.1

159.9

187.0

208.1

238.8

187.0

350

14

355.6

54.69

67.90

81.33

81.33

94.55

126.7

107.4

158.1

195.0

224.7

253.6

281.7

400

16

406.4

62.64

77.83

93.27

93.27

123.3

160.1

123.3

203.5

245.6

286.7

333.2

365.4

450

18

457.0

70.57

87.71

122.4

105.2

155.8

205.7

139.2

254.6

309.6

363.6

408.3

459.4

500

20

508

78.55

117.2

155.1

117.2

183.4

247.8

155.1

311.2

381.5

441.5

508.1

564.8

550

22

559

86.54

129.1

171.1

129.1

-

294.3

171.1

373.8

451.4

527.0

611.6

672.3

600

24

610

94.53

141.1

209.6

141.1

255.4

355.3

187.1

442.1

547.7

640.0

720.2

808.2

-