公（gōng）稱外徑

nominal O.D
mm

公稱壁厚　Nominal Wall Thickness mm

5.0

5.5

6.0

7.0

8.0

9.0

10.0

11.0

12.0

13.0

14.0

15.0

16.0

18.0

20.0

22.0

273

33.04

36.28

39.51

45.92

323.9

39.32

43.18

47.04

54.70

62.32

69.89

(325)

39.46

43.33

47.26

54.90

62.54

70.13

355.6

43.23

47.48

51.73

60.18

68.57

76.92

(377)

45.88

50.39

54.89

63.87

72.80

81.67

406.4

49.44

54.32

59.24

68.94

78.60

88.20

97.75

(426)

51.91

57.03

62.14

72.33

82.46

92.55

102.59

457

55.73

61.24

66.73

77.69

88.58

99.43

110.23

120.98

131.60

142.34

508

74.28

86.48

98.64

110.75

122.81

134.82

146.78

158.69

(529)

77.38

90.11

102.78

115.41

127.99

140.51

152.99

165.42

(559)

81.82

95.29

108.70

122.07

135.38

148.65

161.87

175.04

610

89.37

104.09

118.76

133.39

147.96

162.48

176.96

191.39

(630)

92.33

107.54

122.71

137.82

152.89

167.91

182.88

197.80

(660)

96.77

112.72

128.63

144.48

160.29

176.05

191.76

207.42

711

104.31

121.52

138.69

155.80

172.87

189.88

206.85

223.76

(720)

105.64

123.08

140.46

157.80

175.09

192.32

209.51

226.65

(762)

130.33

148.75

167.12

185.44

203.72

221.94

240.11

258.24

813

139.13

158.81

178.44

198.02

217.55

237.03

256.46

278.88

(820)

140.34

160.19

179.99

199.75

219.45

239.10

258.71

276.26

297.77

317.23

256.01

394.58

432.96

914

178.74

200.06

222.93

244.95

266.92

288.84

310.72

332.54

354.31

397.74

440.95

483.96

(920)

179.92

202.19

224.41

246.58

268.70

290.77

312.79

334.76

356.68

400.40

443.91

486.13

1016

198.86

223.49

248.08

272.62

297.10

321.54

345.93

370.27

394.56

443.02

491.26

539.30

(1020)

199.65

224.38

249.07

273.70

298.39

322.82

347.31

371.75

396.14

44.79

493.23

541.47

1220

296.39

327.95

357.47

386.94

416.36

445.73

475.58

533.58

591.88

649.98

1420

347.71

362.21

416.66

451.06

485.41

519.71

553.96

622.36

690.52

758.49

1620

397.03

436.46

475.84

515.17

554.46

593.60

632.87

711.14

789.17

867.00

1820

446.35

490.71

535.02

579.29

623.50

667.67

711.79

799.92

887.81

975.51

2020

495.67

544.96

594.21

643.40

692.55

741.65

796.70

888.70

986.46

1084.21

2220

544.99

599.21

653.39

707.52

761.60

815.63

869.61

977.48

1085.11

1192.53

2420

594.34

635.5

712.62

771.62

830.20

889.66

948.60

1066.26

1183.75

1301.