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

–

650

26

660

127.4

202.7

–

152.9

–

–

202.7

–

–

–

–

–

–

700

28

711

137.3

218.7

271.2

164.9

–

–

218.7

–

–

–

–

–

–

750

30

762

147.3

234.7

292.2

176.8

–

–

234.7

–

–

–

–

–

–

800

32

813

157.2

250.6

312.2

188.8

342.9

–

250.6

–

–

–

–

–

–

850

34

864

167.2

266.6

332.1

200.3

364.9

–

266.6

–

–

–

–

–

–

900

36

914

177.0

282.3

351.7

212.6

420.4

–

282.3

–

–

–

–

–

–

950

38

965

–

–

–

224.5

–

–

298.2

–

–

–

–

–

–

1000

40

1016

–

–

–

236.5

–

–

314.2

–

–

–

–

–

–

1050

42

1067

–

–

–

248.5

–

–

330.2

–

–

–

–

–

–

1100

44

1118

–

–

–

261.5

–

–

346.2

–

–

–

–

–

–

1150

46

1168

–

–

–

272.3

–

–

351.8

–

–

–

–

–

–

1200

48

1219

–

–

–

284.2

–

–

377.8

–

–

–

–

–

–