Thép ống hàn đen ASTM A53, A106, A312, API 5L, ASME

Inch

DN

ĐK ngoài

Độ dày thành ống (mm)

(mm)

SCH 5

SCH 10

SCH 30

SCH 40

SCH 80

SCH 120

XXS

⅛

6

10,29

0,889

1,245

1,448

1,727

2,413

—

—

¼

8

13,72

1,245

1,651

1,854

2,235

3,023

—

—

⅜

10

17,15

1,245

1,651

1,854

2,311

3,2

—

—

½

15

21,34

1,651

2,108

—

2,769

3,734

—

7,468

¾

20

26,67

1,651

2,108

—

2,87

3,912

—

7,823

1

25

33,4

1,651

2,769

—

3,378

4,547

—

9,093

1¼

32

42,16

1,651

2,769

2,972

3,556

4,851

—

9,703

1½

40

48,26

1,651

2,769

3,175

3,683

5,08

—

10,16

2

50

60,33

1,651

2,769

3,175

3,912

5,537

6,35

11,074

2½

65

73,03

2,108

3,048

4,775

5,156

7,01

7,62

14,021

3

80

88,9

2,108

3,048

4,775

5,486

7,62

8,89

15,24

3½

90

101,6

2,108

3,048

4,775

5,74

8,077

—

16,154

Inch

DN

ĐK ngoài

Độ dày thành ống (mm)

(mm)

SCH 5

SCH 10

SCH 20

SCH 30

SCH 40

SCH 60

SCH 80

SCH 100

SCH 120

SCH 140

SCH 160

4

100

114,30

2,11

3,05

—

4,78

6,02

7,14

8,56

—

11,10

—

13,49

4½

115

127

—

—

—

—

6,27

—

9,02

—

—

—

—

5

125

141,30

2,77

3,40

—

—

6,55

—

9,54

—

12,70

—

15,88

6

150

168,28

2,77

3,40

—

—

7,11

—

10,97

—

14,28

—

18,26

8

200

219,08

2,77

3,76

6,35

7,04

8,18

10,31

12,70

15,06

18,24

20,62

23,01

Inch

DN

ĐK ngoài

Độ dày thành ống (mm)

(mm)

SCH 5s

SCH 5

SCH 10s

SCH 10

SCH 20

SCH 30

10

250

273,05

3,404

3,404

4,191

4,191

6,35

7,798

12

300

323,85

3,962

4,191

4,572

4,572

6,35

8,382

14

350

355,6

3,962

3,962

4,775

6,35

7,925

9,525

16

400

406,4

4,191

4,191

4,775

6,35

7,925

9,525

18

450

457,2

4,191

4,191

4,775

6,35

7,925

11,1

20

500

508

4,775

4,775

5,537

6,35

9,525

12,7

24

600

609,6

5,537

5,537

6,35

6,35

9,525

14,275

Inch

Độ dày thành ống (mm)

SCH 40s

SCH 40

SCH 60

SCH 80s

SCH 80

SCH 100

SCH 120

SCH 140

SCH 160

10

9,271

9,271

12,7

12,7

15,062

18,237

21,412

25,4

28,575

12

9,525

10,312

12,7

12,7

17,45

21,412

25,4

28,575

33,325

14

9,525

11,1

15,062

12,7

19,05

23,8

27,762

31,75

35,712

16

9,525

12,7

16,662

12,7

21,412

26,187

30,937

36,5

40,462

18

9,525

14,275

19,05

12,7

23,8

29,362

34,925

39,675

45,237

20

9,525

15,062

20,625

12,7

26,187

32,512

38,1

44,45

49,987

24

9,525

17,45

24,587

12,7

30,937

38,887

46,025

52,375

59,512