螺旋钢管公称外径

螺旋钢管公称壁厚

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

mm

in

219.1

8-5/8

31.53

36.61

41.65

273.1

10-3/4

39.52

45.94

52.30

323.9

12-3/4

47.04

54.71

62.32

69.89

77.41

(325)

47.20

54.90

62.54

70.14

77.68

355.6

14

51.73

60.18

68.58

76.93

85.23

(377.0)

54.89

63.87

72.80

81.67

90.50

406.4

16

59.25

68.95

78.60

88.20

97.76

107.26

116.72

(426.0)

62.41

72.33

82.46

92.55

102.59

112.58

122.51

457

18

66.73

77.68

88.58

99.44

110.24

120.99

131.69

(478.0)

69.84

81.30

92.72

104.09

115.41

126.69

137.90

508.0

20

74.28

86.49

98.65

110.75

122.81

134.82

146.79

158.69

170.56

(529.0)

77.38

90.11

102.78

115.40

127.99

140.52

152.99

165.43

177.80

559.0

22

81.82

95.29

108.70

122.07

135.38

148.65

161.88

175.04

188.17

610.0

24

89.37

104.10

118.77

133.39

147.97

162.48

176.97

191.40

205.78

(630.0)

92.33

107.54

122.71

137.83

152.90

167.92

182.89

197.81

212.68

660.0

26

96.77

112.73

128.63

144.48

160.30

176.05

191.77

207.43

223.04

711.0

28

104.32

121.53

138.70

155.81

172.88

189.89

206.86

223.78

240.65

257.47

274.24

(720.0)

105.65

123.09

140.47

157.81

175.10

192.34

209.52

226.66

243.75

260.80

277.79

762.0

30

111.86

130.34

148.76

167.13

185.45

203.73

221.95

240.13

258.26

276.33

294.36

813.0

32

119.41

139.14

158.82

178.45

198.03

217.56

237.05

256.48

275.86

295.20

314.48

(820.0)

12.45

140.35

160.20

180.00

199.76

219.46

239.12

258.72

278.28

297.79

317.25

864.0

34

147.94

168.88

189.77

210.61

231.40

252.14

272.83

293.48

314.06

334.61

914.0

39

178.75

200.87

222.94

244.96

266.94

288.86

310.73

332.56

354.34

(920.0)

179.93

202.20

224.42

246.59

268.70

290.78

312.79

334.78

356.68

965.0

38

188.81

212.19

235.52

258.80

282.03

305.21

328.34

351.43

374.46

1016.0

40

198.87

223.51

248.09

272.63

297.12

321.56

345.95

370.29

394.58

443.02

(1020.0)

199.66

224.39

249.08

273.72

298.31

322.84

347.33

371.77

396.16

444.77

1067.0

42

208.93

234.83

260.67

286.47

312.21

337.91

363.56

389.16

414.71

465.66

1118.0

44

218.99

246.15

273.25

300.30

327.31

354.26

371.17

408.02

434.83

488.30

1168.0

46

228.86

257.24

285.58

313.87

342.10

370.29

398.43

426.52

454.56

510.49

1219.0

48

238.92

268.56

298.16

327.70

357.20

386.64

416.04

445.39

474.68

553.13

(1220.0)

239.12

268.79

298.40

327.97

357.49

386.96

416.38

445.76

475.08

533.58

1321.0

52

291.20

323.31

327.97

387.38

419.34

451.26

483.12

514.93

578.41

(1420.0)

347.72

355.37

416.66

451.08

485.41

519.74

553.96

622.32

690.52

1422.0

56

348.22

382.23

417.27

451.72

486.13

520.48

554.79

623.25

691.51

759.58

1524.0

60

373.38

410.44

447.46

484.43

521.34

558.21

595.03

668.52

741.82

814.91

(1620.0)

397.03

436.48

457.84

515.20

554.46

593.73

623.87

711.11

789.12

867.00

1626.0

64

398.53

438.11

477.64

517.13

556.56

595.95

635.28

713.80

792.13

810.26

1727.0

68

423.44

465.51

507.53

549.51

591.43

633.31

675.13

758.64

841.94

925.05

(1820.0)

446.37

490.74

535.06

579.32

623.50

667.71

711.79

799.92

887.81

975.51

1829.0

72

493.18

626.65

671.04

714.20

803.92

890.77

980.39

1930.0

76

661.52

708.40

755.23

848.75

942.07

1035.19

(2020.0)

692.60

741.69

790.75

888.70

986.41

1084.02

2032.0

80

696.74

746.13

795.48

894.03

992.38

1090.53

(2220.0)

761.65

815.68

869.66

977.50

1085.80

1192.53

(2420.0)

948.58

1066.26

1183.75

1301.04

(2540.0)

100

995.93

1119.53

1242.94

1366.15

(2845.0)

112

1116.28

1254.93

1393.37

1531.63

1、经供需双方协议，可供应介于本表所列公称外径和公称壁厚之间的尺寸和螺旋钢管。
2、本表中加括号的公称外径螺旋钢管为保留直径。