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  无缝钢管
  20#无缝钢管
  45#无缝管
  16Mn无缝管
  Q345B无缝钢管
  精密光亮无缝管
  20#精密钢管
  45#精密钢管
  厚壁无缝钢管
  流体输送用无缝钢管
  结构用无缝管
  高压锅炉管
  低中压锅炉管
  合金无缝管
  焊接钢管
  不锈钢管
  螺旋钢管
  六角钢管
  异型钢管
  地质钢管
不锈钢管无缝管壁厚换算表
作者: 昌达
  

 

钢管壁厚换算表

 

外径

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

公称通径

A系列

B系列

sch5s

sch10s

sch20s

LG

sch20

sch30

STD

sch40

sch60

xs

sch80

sch100

sch120

sch140

sch160

 

Norminal Pipe Size DN(in.)

Series A

Series B

 

15

21.3

18

1.6

2.1

2.6

---

---

---

---

2.9

---

---

3.6

---

---

---

4.5

 

20

26.9

25

1.6

2.1

2.6

---

---

---

---

2.9

---

---

4

---

---

---

5.6

 

25

33.7

32

1.6

2.8

3.2

---

---

---

---

3.2

---

---

4.5

---

---

---

6.3

 

32

42.4

38

1.6

28

3.2

---

---

---

---

3.6

---

---

5

---

---

---

6.3

 

40

48.3

45

1.6

2.8

3.2

---

---

---

---

3.6

---

---

5

---

---

---

7.1

 

50

60.3

57

1.6

2.8

3.6

---

3.2

---

---

4

---

---

5.6

---

---

---

8.8

 

65

76.1

76

2

3

3.6

---

4.5

---

---

5

---

---

7.1

---

---

---

10

 

80

88.9

89

2

3

4

---

4.5

---

---

5.6

---

---

8

---

---

---

11

 

90

101.6

---

2

3

4

---

4.5

---

---

5.6

---

---

8

---

---

---

12.5

 

100

114.3

108

2

3

4

---

5

---

---

5.9

---

---

8.8

---

11

---

14.2

 

125

139.7

133

2.9

3.4

5

---

5

---

---

6.3

---

---

10

---

12.5

---

16

 

150

168.3

159

2.9

3.4

5

---

5.6

---

---

7.1

---

---

11.1

---

14.2

---

17.5

 

200

219.1

219

2.9

4

6.3

---

6.3

7.1

---

8

10

---

12.5

16

17.5

20

22.2

 

250

273

273

3.6

4

6.3

---

6.3

8

---

8.8

12.5

---

16

17.5

22.2

25

28

 

300

323.9

325

4

4.5

6.3

---

6.3

8.8

---

10

14.2

---

17.5

22.2

25

28

32

 

350

355.6

377

4

5

8

8

8

10

10

11

16

13

20

25.8

28

32

36

 

400

406.4

426

4

5

8

8

8

10

10

12.5

17.5

13

22.2

28

30

36

40

 

450

457.2

478

4

5

8

8

8

11

10

14.2

20

13

25

30

36

40

45

 

500

508

529

5

5.6

8

8

10

12.5

10

16

20

13

28

32

40

45

50

 

550

559

---

5

5.6

---

8

---

---

10

---

---

13

30

 

 

 

 

 

600

610

630

5.6

6.3

---

8

---

---

10

17.5

---

13

32

 

 

 

 

 

650

660

---

---

---

---

8

---

---

10

---

---

13

注:1sch5s10s40s80s用于不锈钢管件
2
GB 12459为无缝对焊管件标准,GB/T 13401为钢板制对焊管件标准。
注:1sch5s10s40s80s用于不锈钢管件

 

700

711

720

---

---

---

8

---

---

10

---

---

13

 

750

762

---

---

---

---

8

---

---

10

---

---

13

 

800

813

820

---

---

---

8

---

---

10

---

---

13

 

850

864

---

---

---

---

8

---

---

10

---

---

13

 

900

914

920

---

---

---

8

---

---

10

---

---

13

 

950

965

---

---

---

---

8

---

---

10

---

---

13

 

1000

1016

1020

---

---

---

8

---

---

10

---

---

13

 

1050

1067

---

---

---

---

8

---

---

10

---

---

13

 

1100

1118

1120

---

---

---

8

---

---

10

---

---

13

 

1150

1168

---

---

---

---

8

---

---

10

---

---

13

 

1200

1220

1220

---

---

---

8

---

---

10

---

---

13

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

壁厚换算表

公称通径

外径

sch5s

sch10s

sch10

sch20

sch30

sch40s

STD

sch40

sch60

sch80s

XS

sch80

sch100

sch120

sch140

sch160

XXS

1/8

10.3

---

1.24

---

---

---

1.73

1.73

1.73

---

2.41

2.41

2.41

---

---

---

---

---

1/4

13.7

---

1.65

---

---

---

2.24

2.24

2.24

---

3.02

3.02

3.02

---

---

---

---

---

3/8

17.1

---

1.65

---

---

---

2.31

2.31

2.31

---

3.2

3.2

3.2

---

---

---

---

---

1/2

21.3

1.65

2.11

---

---

---

2.77

2.77

2.77

---

3.73

3.73

3.73

---

---

---

4.78

7.47

3/4

26.7

1.65

2.11

---

---

---

2.87

2.87

2.87

---

3.91

3.91

3.91

---

---

---

5.56

7.82

1

33.4

1.65

2.77

---

---

---

3.38

3.38

3.38

---

4.55

4.55

4.55

---

---

---

6.35

9.09

1 1/4

42.2

1.65

2.77

---

---

---

3.56

3.56

3.56

---

4.85

4.85

4.85

---

---

---

6.35

9.7

1 1/2

48.3

1.65

2.77

---

---

---

3.68

3.68

3.68

---

5.08

5.08

5.08

---

---

---

7.14

10.15

2

60.3

1.65

2.77

---

---

---

3.91

3.91

3.91

---

5.54

5.54

5.54

---

---

---

8.74

11.07

2 1/2

73

2.11

3.05

---

---

---

5.16

5.16

5.16

---

7.01

7.01

7.01

---

---

---

9.53

14.02

3

88.9

2.11

3.05

---

---

---

5.49

5.49

5.49

---

7.62

7.62

7.62

---

---

---

11.13

15.24

3 1/2

101.6

2.11

3.05

---

---

---

5.74

5.74

5.74

---

8.08

8.08

8.08

---

---

---

---

---

4

114.3

2.11

3.05

---

---

---

6.02

6.02

6.02

---

8.56

8.56

8.56

---

11.13

---

13.49

17.12

5

141.3

2.77

3.4

---

---

---

6.55

6.55

6.55

---

9.53

9.53

9.53

---

12.7

---

15.88

19.05

6

168.3

2.77

3.4

---

---

---

7.11

7.11

7.11

---

10.97

10.97

10.97

---

14.27

---

18.26

21.95

8

219.1

2.77

3.76

---

6.35

7.04

8.18

8.18

8.18

10.31

12.7

12.7

12.7

15.09

18.26

20.62

23.01

22.23

10

273.1

3.4

4.19

---

6.35

7.8

9.27

9.27

9.27

12.7

12.7

12.7

15.09

18.26

21.44

25.4

28.58

25.4

12

323.9

3.96

4.57

---

6.35

8.38

9.53

9.53

10.31

14.27

12.7

12.7

17.48

21.44

25.4

28.58

33.32

25.4

14

355.6

3.96

4.78

6.35

7.92

9.53

---

9.53

11.13

15.09

---

12.7

19.05

23.83

27.79

31.75

35.71

 

16

406.4

4.19

4.78

6.35

7.92

9.53

---

9.53

12.7

16.66

---

12.7

21.44

26.19

30.96

36.53

40.49

 

18

457.2

4.19

4.78

6.35

7.92

11.13

---

9.53

14.27

19.05

---

12.7

23.83

29.36

34.93

39.67

45.24

 

20

508

4.78

5.54

6.35

9.53

12.7

---

9.53

15.09

20.62

---

12.7

26.19

32.54

38.1

44.45

50.01

 

22

558.8

4.78

5.54

6.35

9.53

12.7

---

9.53

---

22.23

---

12.7

28.58

34.93

41.28

47.63

53.98

 

24

609.6

5.54

6.35

6.35

9.53

14.27

---

9.53

17.48

24.61

---

12.7

30.96

38.89

46.02

52.37

59.54

 

26

660.4

---

---

7.92

12.7

---

---

9.53

---

---

---

12.7

注:sch5s10s40s80s用于钢管件。

28

711.2

---

---

7.92

12.7

15.88

---

9.53

---

---

---

12.7

30

762

6.35

7.92

7.92

12.7

15.88

---

9.53

---

---

---

12.7

32

812.8

---

---

7.92

12.7

15.88

17.48

9.53

17.48

---

---

12.7

34

863.6

---

---

7.92

12.7

15.88

17.48

9.53

17.48

---

---

12.7

36

914.4

---

---

7.92

12.7

15.88

19.05

9.53

19.05

---

---

12.7

38

965.2

---

---

---

---

---

---

9.53

---

---

---

12.7

40

1016

---

---

---

---

---

---

9.53

---

---

---

12.7

42

1066.8

---

---

---

---

---

---

9.53

---

---

---

12.7

44

1117.6

---

---

---

---

---

---

9.53

---

---

---

12.7

46

1168.4

---

---

---

---

---

---

9.53

---

---

---

12.7

48

1219.2

---

---

---

---

---

---

9.53

---

---

---

12.7

 

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