英制无缝钢管常用英寸与毫米换算对照表

英寸

0

1/16

1/8

3/16

1/4

5/16

3/8

7/16

0

毫米

1.588

3.175

4.763

6.350

7.938

9.525

11.113

1

25.400

26.988

28.575

30.163

31.750

33.338

34.925

36.513

2

50.800

52.388

53.975

55.563

57.150

58.738

60.325

61.913

3

76.200

77.788

79.375

80.963

82.550

84.138

85.725

87.313

4

101.60

103.19

104.78

106.36

107.95

109.54

111.13

112.71

5

127.00

128.59

130.18

131.76

133.35

134.94

136.53

138.11

6

152.40

153.99

155.58

157.16

158.75

160.34

161.93

163.51

7

177.80

179.39

180.98

182.56

184.15

185.74

187.33

188.91

8

203.20

204.79

206.38

207.96

209.55

211.14

212.73

214.31

9

228.60

230.19

231.78

233.36

234.95

236.54

238.13

239.71

10

254.00

255.59

257.18

258.76

260.35

261.94

263.53

265.11

11

279.40

280.99

282.58

284.16

285.75

287.34

288.93

290.51

12

304.80

306.39

307.98

309.56

311.15

312.74

314.33

315.91

13

330.20

331.79

333.38

334.96

336.55

338.14

339.73

341.31

14

355.60

357.19

358.78

360.36

361.95

363.54

365.13

366.71

15

381.00

382.59

384.18

385.76

387.35

388.94

390.53

392.11

16

406.40

407.99

409.58

411.16

412.75

414.34

415.93

417.51

17

431.80

433.39

434.98

436.56

438.15

439.74

441.83

442.91

18

457.20

458.79

460.38

461.96

463.55

465.14

466.73

468.31

19

482.19

484.19

485.78

487.36

488.95

490.54

492.13

493.71

20

508.00

509.59

511.18

512.76

514.35

515.94

517.53

519.11

21

533.40

534.99

536.58

538.16

539.75

541.34

542.93

544.51

22

558.80

560.39

561.98

563.56

565.16

566.74

568.73

569.91

23

584.20

585.79

587.38

588.96

590.55

592.14

593.73

595.31

24

609.60

611.19

612.78

614.36

615.95

617.54

619.13

620.71

25

635.00

636.59

638.18

639.76

641.35

642.94

644.53

646.11

英寸

1/2

9/16

5/8

11/16

3/4

13/16

7/8

15/16

0

12.700

14.288

15.875

17.463

19.050

20.638

22.225

23.813

1

38.100

39.688

41.275

42.863

44.450

46.038

47.625

49.213

2

63.500

65.088

66.675

68.263

69.850

71.438

73.025

74.613

3

83.900

90.488

92.075

93.663

95.250

96.838

98.425

100.01

4

114.30

115.89

117.48

119.06

120.65

122.24

123.83

125.41

5

139.70

141.29

142.88

144.46

146.05

147.64

149.23

150.81

6

165.10

166.69

168.28

169.86

171.45

173.04

174.63

176.21

7

190.50

192.09

193.68

195.26

196.85

198.44

200.03

201.61

8

215.90

217.49

219.08

220.66

222.25

223.84

225.43

227.01

9

241.30

242.89

244.48

246.06

247.65

249.24

250.83

252.41

10

266.70

268.29

269.88

271.46

273.05

274.64

276.23

277.81

11

292.10

293.69

295.28

296.86

298.45

300.04

301.63

303.21

12

317.50

319.09

320.68

322.26

323.85

325.44

327.03

328.61

13

342.90

344.49

346.08

347.66

349.25

350.84

352.43

354.01

14

368.30

369.89

371.48

373.06

374.65

376.24

377.83

379.41

15

393.70

395.29

396.88

398.46

400.05

401.64

403.23

404.81

16

419.10

420.69

422.28

423.86

425.45

427.04

428.63

430.21

17

444.50

446.09

447.68

449.26

450.85

452.44

454.03

455.61

18

469.90

471.49

473.08

474.66

476.25

477.84

479.43

481.01

19

495.30

496.89

498.48

500.06

501.65

503.24

504.83

506.41

20

520.70

522.29

523.88

525.46

527.05

528.64

530.23

531.81

21

546.10

547.69

549.28

550.86

552.45

554.04

555.63

557.21

22

571.50

573.09

574.68

576.26

577.85

579.44

581.03

582.61

23

596.90

598.49

600.08

601.66

603.25

604.84

606.43

608.01

24

622.30

623.89

625.48

627.06

628.65

630.24

631.83

633.41

25

647.70

649.29

650.88

652.46

654.05

655.64

657.23

658.81

英寸

0

1/16

1/8

3/16

1/4

5/16

3/8

7/16

26

660.40

661.99

663.58

665.16

666.75

668.34

669.93

671.51

27

685.80

687.39

688.98

690.56

692.56

693.74

695.33

696.91

28

736.60

738.19

739.78

741.36

742.95

744.54

746.13

747.71

29

736.60

738.19

739.78

741.36

742.95

744.54

746.13

747.31

30

762.00

763.59

765.18

766.76

768.35

769.94

771.53

773.11

31

787.40

788.99

790.58

792.16

793.75

795.34

796.93

798.51

32

812.80

814.39

815.98

817.56

819.15

820.74

822.33

823.91

33

838.20

839.79

841.38

842.96

844.55

846.14

847.73

849.31

34

863.60

865.19

866.78

868.36

869.95

871.54

873.13

874.71

35

889.00

890.59

892.18

893.76

895.35

896.94

898.53

900.11

36

914.40

915.99

917.58

919.16

900.75

922.34

923.93

925.51

37

939.80

941.39

942.98

944.56

946.15

947.74

949.33

950.91

38

965.20

966.79

968.38

969.96

971.55

973.14

974.73

976.31

39

990.60

992.19

993.78

995.36

996.95

998.54

1000.1

1001.7

40

1016.0

1017.6

1019.2

1020.8

1022.4

1023.9

1025.5

1027.1

41

1041.4

1043.0

1044.6

1046.2

1047.8

1049.3

1050.9

1052.5

42

1066.8

1068.4

1070.0

1071.6

1073.2

1074.7

1076.3

1077.9

43

1092.2

1093.8

1095.4

1097.0

1098.6

1100.1

1101.7

1103.3

44

1117.6

1119.2

1120.8

1122.4

1124.0

1125.5

1127.1

1128.7

45

1143.0

1144.6

1146.2

1147.8

1149.4

1150.9

1152.5

1154.1

46

1168.4

1170.0

1171.6

1173.2

1174.8

1176.3

1177.9

1179.5

47

1193.8

1195.4

1197.0

1198.6

1200.2

1201.7

1203.3

1204.9

48

1219.2

1220.8

1222.4

1224.0

1225.6

1227.1

1228.7

1230.3

49

1244.6

1246.2

1247.8

1249.4

1251.0

1252.5

1254.1

1255.7

50

1270.0

1271.6

1273.2

1274.8

1276.4

1277.9

1279.5

1281.1

英寸

1/2

9/16

5/8

11/16

3/4

13/16

7/8

15/16

26

673.10

674.69

676.28

677.86

679.45

681.04

682.63

684.21

27

698.50

700.09

701.68

703.26

704.85

706.44

708.03

709.01

28

723.90

725.49

727.08

728.66

730.25

731.84

733.43

735.01

29

749.30

750.89

752.48

754.06

755.65

757.24

758.83

760.41

30

774.70

776.29

777.88

779.46

781.05

782.64

784.23

785.81

31

800.10

801.69

803.28

804.86

806.45

808.04

809.63

811.21

32

825.50

827.09

828.68

830.26

831.85

833.44

835.03

836.61

33

850.90

852.49

854.08

855.66

857.25

858.54

860.43

862.01

34

876.30

877.89

879.48

881.06

882.65

884.24

885.83

887.41

35

901.70

903.29

904.88

906.46

908.05

909.64

911.23

912.81

36

927.10

928.69

930.28

931.86

933.45

935.04

936.03

938.21

37

952.50

954.09

955.68

957.26

958.85

960.44

962.03

963.61

38

977.90

979.49

981.08

982.66

984.25

985.84

987.43

989.01

39

1003.0

1004.9

1006.5

1008.1

1009.7

1011.2

1.12.8

1014.4

40

1028.7

1030.3

1031.9

1033.5

1035.1

1036.6

1038.2

1039.8

41

1054.1

1055.7

1057.3

1058.9

1060.5

1062.0

1063.6

1065.2

42

1079.5

1081.1

1082.0

1084.3

1085.9

1087.4

1089.0

1090.6

43

1104.9

1106.5

1108.1

1109.7

1111.3

1112.8

1114.4

1116.0

44

1130.3

1131.9

1133.5

1135.1

1136.7

1138.2

1139.8

1141.4

45

1155.7

1157.3

1158.9

1160.5

1162.1

1163.6

1165.2

1166.8

46

1181.1

1182.7

1184.3

1185.9

1187.5

1189.0

1190.6

1192.2

47

1206.5

1208.1

1209.7

1211.3

1212.9

1214.4

1216.0

1217.6

48

1231.9

1233.5

1235.1

1236.7

1238.3

1239.8

1241.4

1243.0

49

1257.3

1258.9

1260.5

1262.1

1263.7

1265.2

1266.8

1268.4

50

1282.7

1284.3

1285.9

1287.5

1289.1

1290.6

1292.2

1293.8