Carbon Steel Seamless Pipe

Seamless sizes

Welded sizes

Application

Out diameter: 1/4"-36"

Out diameter: 21.3mm-3620mm

API 5L, API 5CT, ASTM A53, ASTM A106, 

ASTM A179, ASTM A192, ASTM A252, 

ASTM A333, ASTM A335, ASTM A672

Water underground

Sewage treatment
Steel scaffolding
Transporting oil & gas
Boiler and condenser tubes
High-pressure applications
Chemical processing

Wall thickness:1.25mm-50mm

Wall thickness:1.65-mm-65mm

Length:3m-12m

Length:3m-12m

NPS

O.D

ANSI B36.10   B36.19  Wall Thickness

mm

in

mm

Sch5S

Sch10S

Sch10

Sch20

Sch30

Sch40S

STD

Sch40

Sch60

Sch80

XS

Sch80S

Sch100

XXS

8

1/4

13.72

-

1.65

-

-

-

1.73

1.73

1.73

-

3.02

3.02

3.02

-

-

10

3/8

17.14

-

1.65

-

-

-

2.31

2.31

2.31

-

3.2

3.2

3.2

-

-

15

1/2

21.34

1.65

2.11

-

-

-

2.77

2.77

2.77

-

3.73

3.73

3.73

-

7.47

20

3/4

26.67

1.65

2.11

-

-

-

2.87

2.87

2.87

-

3.91

3.91

3.91

-

7.82

25

1

33.4

1.65

2.77

-

-

-

3.38

3.38

3.38

-

4.55

4.55

4.55

-

9.09

32

1 1/4

42.16

1.65

2.77

-

-

-

3.56

3.56

3.56

-

4.85

4.85

4.85

-

9.7

40

1 1/2

48.26

1.65

2.77

-

-

-

3.68

3.68

3.68

-

5.08

5.08

5.08

-

10.16

50

2

60.32

1.65

2.77

-

-

-

3.91

3.91

3.91

-

5.54

5.54

5.54

-

11.07

65

2 1/2

73.02

2.11

3.05

-

-

-

5.16

5.16

5.16

-

7.01

7.01

7.01

-

14.02

80

3

88.9

2.11

3.05

-

-

-

5.49

5.49

5.49

-

7.62

7.62

7.62

-

15.24

90

31/2

101.6

2.11

3.05

-

-

-

5.74

5.74

5.74

-

8.08

8.08

8.08

-

-

100

4

114.3

2.11

3.05

-

-

-

6.02

6.02

6.02

-

8.56

8.56

8.56

-

17.12

125

5

141.3

2.77

3.4

-

-

-

6.55

6.55

6.55

-

9.53

9.53

9.53

-

19.05

150

6

168.28

2.77

3.4

-

-

-

7.11

7.11

7.11

-

10.97

10.97

10.97

-

21.94

200

8

219.08

2.77

3.4

-

6.35

7.04

8.18

8.18

8.18

10.31

12.7

12.7

12.7

15.09

22.22

250

10

273.05

3.4

3.76

-

6.35

7.8

9.27

9.27

9.27

12.7

12.7

12.7

15.09

18.26

25.4

300

12

323.85

3.96

4.57

-

6.35

8.38

9.52

9.52

10.3

14.27

12.7

12.7

17.48

21.44

-

350

14

355.6

3.96

4.78

6.35

7.92

9.52

*9.52

9.52

11.13

15.09

12.7

12.7

19.05

23.83

-

400

16

406.4

4.19

4.78

6.35

7.92

9.52

*9.52

9.52

12.7

16.66

12.7

12.7

21.44

26.19

-

450

18

457.2

4.19

4.78

6.35

7.92

11.12

*9.52

9.52

14.27

19.05

12.7

12.7

23.82

29.36

-

500

20

508

4.78

5.54

6.35

7.92

12.7

*9.52

9.52

15.09

20.62

12.7

12.7

26.19

32.54

-

550

22

558.8

4.78

5.54

6.35

7.92

12.7

*9.52

9.52

-

22.22

12.7

12.7

28.58

34.92

-

600

24

609.6

5.54

6.35

6.35

7.92

14.27

*9.52

9.52

17.48

24.61

12.7

12.7

30.96

38.89

-

650

26

660.4

-

*7.92

7.92

12.7

-

*9.52

9.52

-

-

12.7

12.7

-

-

-

700

28

711.2

-

*7.92

7.92

12.7

15.88

*9.52

9.52

-

-

12.7

12.7

-

-

-

750

30

762

6.35

*7.92

7.92

12.7

15.88

*9.52

9.52

-

-

12.7

12.7

-

-

-

800

32

812

-

*7.92

7.92

12.7

15.88

*9.52

9.52

17.48

-

12.7

12.7

-

-

-

850

34

863.6

-

*7.92

7.92

12.7

15.88

*9.52

9.52

17.48

-

12.7

12.7

-

-

-

900

36

914.4

-

*7.92

7.92

12.7

15.88

*9.52

9.52

19.05

-

12.7

12.7

-

-

-

950

38

965.2

-

*7.92

-

-

-

*9.52

9.52

-

-

12.7

12.7

-

-

-

1000

40

1016

-

*7.92

-

-

-

*9.52

9.52

-

-

12.7

12.7

-

-

-

1050

42

1066.8

-

*7.92

-

-

-

*9.52

9.52

-

-

12.7

12.7

-

-

-

1100

44

1117.6

-

*7.92

-

-

-

*9.52

9.52

-

-

12.7

12.7

-

-

-

1150

46

1168.4

-

*7.92

-

-

-

*9.52

9.52

-

-

12.7

12.7

-

-

-

1200

48

1219.2

-

*7.92

-

-

-

*9.52

9.52

-

-

12.7

12.7

-

-

-

1300

52

1320.8

-

-

-

-

-

-

9.52

-

-

-

12.7

-

-

-

1350

54

1371.6

-

-

-

-

-

-

9.52

-

-

-

12.7

-

-

-

1400

56

1422.4

-

-

-

-

-

-

9.52

-

-

-

12.7

-

-

-

1500

60

1524

-

-

-

-

-

-

9.52

-

-

-

12.7

-

-

1600

64

1625.6

-

-

-

-

-

-

9.52

-

-

-

12.7

-

-

1700

68

1727.2

-

-

-

-

-

-

9.52

-

-

-

12.7

-

-

1800

72

1828.8

-

-

-

-

-

-

9.52

-

-

-

12.7

-

-

1900

76

1930.4

-

-

-

-

-

-

9.52

-

-

-

12.7

-

-

2000

80

2032

-

-

-

-

-

-

9.52

-

-

-

12.7

-

-

API 5L

for use in conveying gas, water, and oil in the natural gas and oil industries, and covers seamless and welded steel line pipe. 

API 5CT

for casing and tubing

ASTM A53

for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless

ASTM A106

for Seamless Carbon Steel Pipe for High-Temperature Service

ASTM A179

for Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes

ASTM A192

for Seamless Carbon Steel Boiler Tubes for High-Pressure Service

ASTM A213

for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes

ASTM A252

for Welded and Seamless Steel Pipe Piles

ASTM A333

for Seamless and Welded Steel Pipe for Low-Temperature Service and Other Applications with Required Notch Toughness

ASTM A672

for Electric-Fusion-Welded Steel Pipe for High-Pressure Service at Moderate Temperatures

ASTM A335

for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service

DIN 17175

seamless steel pipes are used in boiler installations, high-pressure pipelines and tank construction and special machinery for both high temperature and high-pressure devices.

DIN 1629

specifies the Seamless Circular Tubes of Non Alloys Steels with Special Quality Requirements.

DIN 2391

for Cold Drawn High Precision Seamless Tube

DIN 2458

Welded Steel Pipes in Unalloyed and Low Alloy Steels for Supply Purposes

EN 10210

Seamless steel tubes for pressure purposes

BS 3059

Steel boiler and superheater tubes

JIS G3454

Carbon steel pipes for pressure service