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管線用無縫鋼管

鍍鋅鋼管

標準
美國石油學會標準(API SPEC 5L )
用途 Uses
用于石油、天然氣工業中的氣、水、油輸送
尺寸偏差

標準

外徑偏差

壁厚偏差

Standard

Outside Diameter Tolerance

Wall Thickness Tolerances

Tolerances

API SPEC 5L

D < 60.3mm

(+ 0.41mm~-0.80mm)

+ 15%S~- 12.5%S

D ≥ 60.3mm

(+ 0.75%D~-0.75%D)

規格表

名義尺寸

Nominal Size

外徑

Outside Diameter

壁厚

Wall Thickness

平端管米重

Plain-end Weight

inch

mm

inch

mm

lb/ft

kg/m

0.405

0.405

10.29

0.095

2.4

0.31

0.47

0.54

0.54

13.72

0.088

2.2

0.43

0.62

0.54

13.72

0.119

3.0

0.54

0.79

0.675

0.675

17.15

0.091

2.3

0.57

0.84

0.675

17.15

0.126

3.2

0.74

1.10

0.84

0.84

21.34

0.109

2.8

0.85

1.28

0.84

21.34

0.147

3.7

1.09

1.61

1.05

1.05

26.67

0.113

2.9

1.13

1.70

1.05

26.67

0.154

3.9

1.48

2.19

1.315

1.315

33.4

0.133

3.4

1.68

2.52

1.315

33.4

0.179

4.6

2.17

3.21

1.660

1.660

42.2

0.145

3.7

2.72

3.43

1.660

42.2

0.191

4.9

3.00

4.51

1.660

42.2

0.382

9.7

5.22

7.77

1.900

1.900

48.3

0.145

3.7

2.72

4.07

1.900

48.3

0.200

5.1

3.63

5.43

1.900

48.3

0.400

10.2

6.41

9.58

2 3/8

2.375

60.3

0.109

2.8

2.64

3.97

2.375

60.3

0.125

3.2

3.00

4.51

2.375

60.3

0.141

3.6

6.36

5.03

名義尺寸

Nominal Size

外徑

Outside Diameter

壁厚

Wall Thickness

平端管米重

Plain-end Weight

inch

mm

inch

mm

lb/ft

kg/m

2 3/8

2.375

60.3

0.154

3.9

3.65

5.42

2.375

60.3

0.172

4.4

4.05

6.07

2.375

60.3

0.188

4.8

4.39

6.57

2.375

60.3

0.218

5.5

5.02

7.43

2.375

60.3

0.250

6.4

5.67

8.51

2.375

60.3

0.281

7.1

6.28

9.31

2.375

60.3

0.436

11.0

9.03

13.47

2 7/8

2.875

73.0

0.109

2.8

3.22

4.85

2.875

73.0

0.125

3.2

3.67

5.51

2.875

73.0

0.141

3.6

4.12

6.16

2.875

73.0

0.156

4.0

4.53

6.81

2.875

73.0

0.172

4.4

4.97

7.44

2.875

73.0

0.188

4.8

5.40

8.07

2.875

73.0

0.203

5.2

5.79

8.69

2.875

73.0

0.216

5.5

6.13

9.16

2.875

73.0

0.250

6.4

7.01

10.51

2.875

73.0

0.276

7.0

7.66

11.39

2.875

73.0

0.552

14.0

13.69

20.37

3 1/2

3.5

88.9

0.141

3.6

5.06

7.57

3.5

88.9

0.156

4.0

5.57

8.37

3.5

88.9

0.172

4.4

6.11

9.17

3.5

88.9

0.188

4.8

6.65

9.95

3.5

88.9

0.216

5.5

7.58

11.31

3.5

88.9

0.250

6.4

8.68

13.02

3.5

88.9

0.281

7.1

9.66

14.32

3.5

88.9

0.300

7.6

10.25

15.24

3.5

88.9

0.600

15.2

18.58

27.63

4

4

101.6

0.156

4.0

6.40

9.63

4

101.6

0.172

4.4

7.03

10.55

4

101.6

0.188

4.8

7.65

11.46

4

101.6

0.226

5.7

9.11

13.48

4

101.6

0.250

6.4

10.01

15.02

4

101.6

0.281

7.1

11.16

16.55

4

101.6

0.318

8.1

12.50

18.68

4 1/2

4.5

114.3

0.156

4.0

7.24

10.88

4.5

114.3

0.172

4.4

7.96

11.92

4.5

114.3

0.188

4.8

8.67

12.96

4.5

114.3

0.203

5.2

9.32

13.99

4.5

114.3

0.219

5.6

10.02

15.01

4.5

114.3

0.237

6.0

10.80

16.02

4.5

114.3

0.250

6.4

11.36

17.03

4.5

114.3

0.281

7.1

12.67

18.77

名義尺寸

Nominal Size

外徑

Outside Diameter

壁厚

Wall Thickness

平端管米重

Plain-end Weight

inch

mm

inch

mm

lb/ft

kg/m

4 1/2

4.5

114.3

0.312

7.9

12.66

20.73

4.5

114.3

0.337

8.6

13.96

22.42

4.5

114.3

0.438

11.1

19.00

28.25

4.5

114.3

0.531

13.5

22.51

33.56

4.5

114.3

0.674

17.1

25.57

40.99

5 9/16

5.563

141.3

0.156

4.0

9.02

13.54

5.563

141.3

0.188

4.8

10.80

16.16

5.563

141.3

0.219

5.6

12.51

18.74

5.563

141.3

0.258

6.6

14.63

21.92

5.563

141.3

0.281

7.1

15.87

23.50

5.563

141.3

0.312

7.9

17.51

25.99

5.563

141.3

0.344

8.7

19.19

28.45

5.563

141.3

0.375

9.5

20.80

30.88

5.563

141.3

0.500

12.7

27.06

40.28

5.563

141.3

0.625

15.9

32.99

49.17

5.563

141.3

0.750

19.1

38.59

57.56

6 5/8

6.625

168.3

0.188

4.8

12.94

19.35

6.625

168.3

0.203

5.2

13.94

20.91

6.625

168.3

0.219

5.6

15.00

22.47

6.625

168.3

0.250

6.4

17.04

25.55

6.625

168.3

0.280

7.1

18.99

28.22

6.625

168.3

0.312

7.9

21.06

31.25

6.625

168.3

0.344

8.7

23.10

34.24

6.625

168.3

0.375

9.5

25.05

37.20

6.625

168.3

0.432

11.0

28.60

42.67

6.625

168.3

0.500

12.7

32.74

48.73

6.625

168.3

0.562

14.3

36.43

54.31

6.625

168.3

0.625

15.9

40.09

59.76

6.625

168.3

0.719

18.3

45.39

67.69

6.625

168.3

0.750

19.1

47.10

70.27

6.625

168.3

0.864

21.9

53.21

79.06

6.625

168.3

0.875

22.2

53.78

79.98

8 5/8

8.625

219.1

0.250

6.4

22.38

33.57

8.625

219.1

0.277

7.0

24.72

36.61

8.625

219.1

0.312

7.9

27.73

41.14

8.625

219.1

0.322

8.2

28.58

42.65

8.625

219.1

0.344

8.7

30.45

45.14

8.625

219.1

0.375

9.5

33.07

49.10

8.625

219.1

0.438

11.1

38.33

56.94

8.625

219.1

0.500

12.7

43.43

64.64

8.625

219.1

0.562

14.3

48.44

72.22

8.625

219.1

0.625

15.9

53.45

79.67

8.625

219.1

0.719

18.3

60.77

90.62

8.625

219.1

0.750

19.1

63.14

94.20

8.625

219.1

0.812

20.6

67.82

100.84

8.625

219.1

0.875

22.2

72.49

107.79

8.625

219.1

1.000

25.4

81.51

121.33



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