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Welded Steel Pipe
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Welded Steel Pipe

Steel pipes can be manufactured by rolling steel plates and welding them to form a seam or spiral seam. The process of manufacturing involves three main methods, namely furnace welding, electric welding, and automatic arc welding. Depending on the type of welding used, the pipes can be either...
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Description

Technical Parameters

Steel pipes can be manufactured by rolling steel plates and welding them to form a seam or spiral seam. The process of manufacturing involves three main methods, namely furnace welding, electric welding, and automatic arc welding. Depending on the type of welding used, the pipes can be either straight seam welded or spiral welded. These welding pipes find various applications in the transportation of water, gas, heat, and electricity. Whether it is for water transmission, gas pipeline distribution, or heating and electrical conduits, welded steel pipe is an essential component in many industries.

 

Specifications

 

·Size: from 1/2” to 48” or larger

·The available wall thicknesses for pipes are categorized as follows: SCH10, SCH20, SCH30, SCH40, STD, SCH60, SCH80, XS, SCH100, SCH120, SCH160, and XXS. These classifications help determine the ideal thickness for specific applications. It is crucial to select the most suitable wall thickness to ensure the efficiency and longevity of the piping system.

The two types of ends available for pipe fittings are butt welding ends and threaded ends, primarily used for smaller sizes.

·Type: ERW, SAW, Spiral and Longitudinal welded

：、，ASTM A106 GR.B；API5L GR.B、X42、X46、X52、X56、X70、X65、X80 PSL 1/PSL2。，，。
、，ASTM A106 GR.B；API5L GR.B、X42、X46、X52、X56、X70、X65、X80 PSL 1/PSL2。

，，，。 ，。
ASTM A335 P1/P2/P5/P9/P11/P22ASTMA333 GR.1/3/4/6/7/8/9/10/11。。，ASTM A335，。ASTMA333，。
A312 TP304, TP304L, TP316, TP316L。、、。，。
。，，。、。
，，。，，，。

·Standard: ANSI B36.10, B36.19

 

Welded Steel Pipe Dimensions

 

SIZE

Nominal
O.D

Nominal Wall Thickness(mm)

inch

mm

SCH10

SCH20

SCH30

STD

SCH40

SCH60

XS

SCH80

SCH100

SCH120

SCH140

SCH160

XXS

1/2"

21.3

2.11

–

2.41

2.77

2.77

–

3.73

3.73

–

–

–

4.78

7.47

3/4"

26.7

2.11

–

2.41

2.87

2.87

–

3.91

3.91

–

–

–

5.56

7.82

1"

33.4

2.77

–

2.9

3.38

3.38

–

4.55

4.55

–

–

–

6.35

9.09

1-1/4"

42.2

2.77

–

2.9

3.56

3.56

–

4.85

4.85

–

–

–

6.35

9.7

1-1/2"

48.3

2.77

–

3.18

3.68

3.68

–

5.08

5.08

–

–

–

7.14

10.15

2"

60.3

2.77

–

3.18

3.91

3.91

–

5.54

5.54

–

–

–

8.74

11.07

2-1/2"

73

3.05

–

4.78

5.16

5.16

–

7.01

7.01

–

–

–

9.53

14.02

3"

88.9

3.05

–

4.78

5.49

5.49

–

7.62

7.62

–

–

–

11.13

15.24

3-1/2"

101.6

3.05

–

4.78

5.74

5.74

–

8.08

8.08

–

–

–

–

–

4"

114.3

3.05

–

4.78

6.02

6.02

–

8.56

8.56

–

11.13

–

13.49

17.12

5"

141.3

3.4

–

–

6.55

6.55

–

9.53

9.53

–

12.7

–

15.88

19.05

6"

168.3

3.4

–

–

7.11

7.11

–

10.97

10.97

–

14.27

–

18.26

21.95

8"

219.1

3.76

6.35

7.04

8.18

8.18

19.31

12.7

12.7

15.09

18.26

20.62

23.01

22.23

10"

273.0

4.19

6.35

7.8

9.27

9.27

12.7

12.7

15.09

18.26

21.44

25.4

28.58

23.5

12"

323.8

4.57

6.35

8.38

9.53

10.31

14.27

12.7

17.48

21.44

25.4

28.58

33.32

23.5

14"

355.6

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

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

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"

508.0

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

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

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

–

–

–

–

–

–

28"

711.2

7.92

12.7

15.88

9.53

–

–

12.7

–

–

–

–

–

–

30"

762.0

7.92

12.7

15.88

9.53

–

–

12.7

–

–

–

–

–

–

32"

812.8

7.92

12.7

15.88

9.53

17.48

–

12.7

–

–

–

–

–

–

34"

863.6

7.92

12.7

15.88

9.53

–

–

12.7

–

–

–

–

–

–

36"

914.4

7.92

12.7

15.88

9.53

17.48

–

12.7

–

–

–

–

–

–

38"

965.2

–

–

–

9.53

19.05

–

12.7

–

–

–

–

–

–

40"

1016.0

–

–

–

9.53

–

–

12.7

–

–

–

–

–

–

42"

1066.0

–

–

–

9.53

–

–

12.7

–

–

–

–

–

–

44"

1117.6

–

–

–

9.53

–

–

12.7

–

–

–

–

–

–

46"

1168.4

–

–

–

9.53

–

–

12.7

–

–

–

–

–

–

48"

1219.1

–

–

–

9.53

–

–

12.7

–

–

–

–

–

–

The size over 48" is also available upon request.

 

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