NOMINAL  PIPE  SIZE

OD

(mm)

NOMINAL WALL THICKNESS 

DN

NB(inch)

ASME

SCH10

SCH20

SCH30

STD

SCH40

SCH60

XS

SCH80

SCH100

SCH120

SCH140

SCH160

XXS

15

1/2"

21.3

2.11

2.41

2.77

2.77

3.73

3.73

4.78

7.47

20

3/4"

26.7

2.11

2.41

2.87

2.87

3.91

3.91

5.56

7.82

25

1"

33.4

2.77

2.9

3.38

3.38

4.55

4.55

6.35

9.09

32

1.1/4"

42.2

2.77

2.97

3.56

3.56

4.85

4.85

6.35

9.7

40

1.1/2"

48.3

2.77

3.18

3.68

3.68

5.08

5.08

7.14

10.15

50

2"

60.3

2.77

3.18

3.91

3.91

5.54

5.54

8.74

11.07

65

2.1/2"

73

3.05

4.78

5.16

5.16

7.01

7.01

9.53

14.02

80

3"

88.9

3.05

4.78

5.49

5.49

7.62

7.62

11.13

15.25

90

3.1/2"

101.6

3.05

4.78

5.74

5.74

8.08

8.08

100

4"

114.3

3.05

4.78

6.02

6.02

8.56

8.56

11.13

13.49

17.12

125

5"

141.3

3.4

6.55

6.55

9.53

9.53

12.7

15.88

19.05

150

6"

168.3

3.4

7.11

7.11

10.97

10.97

14.27

18.26

21.95

200

8"

219.1

3.76

6.35

7.04

8.18

8.18

10.31

12.7

12.7

15.09

18.26

20.62

23.01

22.23

250

10"

273

4.19

6.35

7.8

9.27

9.27

12.7

12.7

15.09

18.26

21.44

25.4

28.58

25.4

300

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

25.4

350

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

400

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

40.19

450

18"

457.2

6.35

7.92

11.13

9.53

14.27

19.05

12.7

23.83

39.36

34.93

39.67

45.24

500

20"

508

6.35

9.53

12.7

9.53

15.09

20.62

12.7

26.19

32.54

38.1

44.45

50.01

550

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

600

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

650

26"

660.4

7.92

12.7

9.53

12.7

700

28"

711.2

7.92

12.7

15.88

9.53

12.7

750

30"

762

7.92

12.7

15.88

9.53

12.7

800

32"

812.8

7.92

12.7

15.88

9.53

17.48

12.7

850

34"

863.6

7.92

12.7

15.88

9.53

17.48

12.7

900

36"

914.4

7.92

12.7

15.88

9.53

19.05

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

specification

Grade

Chemical Composition [%]

C

Mn

P

S

Si

Cr

Mo

Cu

Ni

V

Min

Max.

Min

Max.

Max.

Max.

Min.

Max

Min.

Max

Min.

Max

Max

Max

Max

HYDROCARBON PROCESS INDUSTRY/STRUCTURAL/PRESSURE VESSEL TUBES

ASTM

A-53

A
B

-

-

0.25

0.30

-

-

0.95

1.20

0.050

0.050

0.045

0.045

-

-

-

-

-

-

0.40

0.40

-

-

0.15

0.15

0.40 for S

0.40 for S

0.40

0.40

0.08

0.08

ASTM

A-106

A
B

c

-

-

-

0.25

0.30

0.35

0.27

0.29

0.29

0.93

1.06

1.06

0.035

0.035

0.035

0.035

0.035

0.035

0.10

0.10

0.10

-

-

-

-

-

-

0.40

0.40

0.40

-

-

-

0.15

0.15

0.15

0.40

0.40

0.40

0.40

-

0.08

0.08

0.08

ASTM

A333 & A 334

1
6

-
-

0.30

0.30

0.40

0.29

1.06

1.06

0.025

0.025

0.025

0.025

-

0.10

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

SEAMLESS COLD DRAWN PRECISION STEEL TUBES FOR MECHANICAL APPLICATIONS/HYDRAULIC/PNEUMATIC POWER SYSTEMS

EN 10305-1/

EN10305-4

E 235

E 355

0.17

0.22

1.2

1.6

0.025

0.025

0.025

0.025

0.35

0.55

0.02

0.02

EN 10216-1

P195 TR1
P235 TR1

0.13

0.16

0.7

1.2

0.025

0.025

0.02

0.02

0.35

0.35

0.3

0.3

0.08

0.08

0.3

0.3

0.3

0.3

EN 10216-2

P235 GH

0.16

1.2

0.025

0.02

0.35

0.3

0.08

0.3

0.3

0.02

DIN 2391

St - 45
St - 45
St - 52

-
-
-

0.17

0.21

0.22

0.40

0.40

-

-

-

1.60

0.025

0.025

0.025

0.025

0.025

0.025

-

-

-

0.35

0.35

0.55

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

ASTM

A-519

SAE 1010
SAE 1018
SAE 1026
SAE 1035

SAE 1040

SAE 1518

SAE 1541

SAE 4130

0.08

0.15

0.22

0.32

0.37

0.15

0.36

0.28

0.13 0.20

0.28

0.38

0.44

0.21

0.44

0.33

0.30

0.60

0.60

0.60

0.60

1.10

1.35

0.40

0.60

0.90

0.90

0.90

0.90

1.40

1.65

0.60

0.040

0.040

0.040

0.040

0.040

0.040

0.040

0.040

0.050

0.050

0.050

0.050

0.050

0.050

0.050

0.040

-

-

-

-

-

-

-

0.15

-

-

-

-

-

-

-

0.35

-

-

-

-

-

-

-

0.80

-

-

-

-

-

-

-

1.10

-

-

-

-

-

-

-

0.15

-

-

-

-

-

-

-

0.25

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

BOILER/HEAT EXCHANGER/SUPERHEATER & CONDENSER TUBES

ASTM A179

-

0.06

0.18

0.27

0.63

0.035

0.035

-

-

-

-

-

-

-

-

-

ASTM A192

0.06

0.18

0.27

0.63

0.035

0.035

-

0.25

-

-

-

-

-

-

-

ASTM

A 210

A-1
C

-
-

0.27

0.35

-

0.29

0.93

1.06

0.035

0.035

0.035

0.035

0.10

0.10

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

ASTM

A 213

T-11
T-12

T-22

0.05

0.05

0.05

0.15

0.15

0.15

0.30

0.30

0.30

0.60

0.61

0.60

0.025

0.025

0.025

0.025

0.025

0.025

0.50

-

-

1.00

0.50

0.50

1.00

0.80

1.90

1.50

1.25

2.60

0.44

0.44

0.87

0.65

0.65

1.13

-

-

-

-

-

-

-

-

-

ASTM
A335

P-11
P-12

P-22

0.05

0.05

0.05

0.15

0.15

0.15

0.30

0.30

0.30

0.60

0.61

0.60

0.025

0.025

0.025

0.025

0.025

0.025

0.50

-

-

1.00

0.50

0.50

1.00

0.80

1.90

1.50

1.25

2.60

0.44

0.44

0.87

0.65

0.65

1.13

-

-

-

-

-

-

-

-

-

BS 3059 Pt I

320

-

0.16

0.30

0.70

0.040

0.040

0.10

0.35

-

-

-

-

-

-

-

BS 3059 Pt II

622-490

0.08

0.15

0.40

0.70

0.030

0.030

-

0.50

2.00

2.50

0.90

1.20

-

-

-

DIN 1629

St- 37.0

St - 52

-

-

0.17

0.22

-

-

-

-

0.040

0.040

0.040

0.035

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

DIN 17175

St - 35.8

St - 45.8

-

-

0.17

0.21

0.40

0.40

0.80

1.20

0.040

0.040

0.040

0.040

0.10

0.10

0.35

0.35

-

-

-

-

-

-

-

-

-

-

-

-

-

-

RAILWAYS

IS:1239 Pt I

-

-

-

-

-

0.050

0.050

-

-

-

-

-

-

-

-

-

IS:1161

YST-210

YST-240

YST-310

-

-

-

0.12

0.16

0.25

-

-

-

0.60

1.20

1.30

0.040

0.040

0.040

0.040

0.040

0.040

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

Grade A

Grade B

Grade C

Tensile strength, min, psi (MPa)

48,000 (330)

60000 (415)

70,000 (485)

Yield strength, min, psi (MPa)

30,000 (205)

35,000 (240)

40,000 (275)