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A106 GR.b Carbon Steel Pipe Pressure Rating Tables,ASTM A53M, A106M, API 5L, Seamless


Pressure Rating Tables for Carbon Steel Pipe

Notes to the tables of allowable working pressures.

Notes

1.    This data is intended to provide a general guide. It must not to be relied upon in the absence of competent professional advice.

2.    These allowable internal pipe pressures were calculated by the formula given in ASME B31.3-2010 "Process Piping", clause 304.1.2. Other design codes may give different allowable pressures. The original specifications must be consulted for full details.

3.    Pipe with Wall Thickness greater than one-sixth of Outside Diameter is not included in this table; ASME B31.3 states that factors other than those included in the standard formula must be considered for such pipe. For pressure design of this heavy wall pipe consult the standard.

4. Calculations are for Grade B seamless pipe to specifications ASTM A53M, ASTM A106M or API 5L. A weld join efficiency factor (typically 85%) must be allowed for standard ERW pipe, and allowance made for corrosion or wear loss if appropriate.

5.    Conversion of carbides to graphite may occur after prolonged exposure of carbon steel pipe to temperatures above 427°C.

6.    Allowable working pressures are given in megapascals (MPa). Conversions to other units are:

LIMITATION OF LIABILITY

The information contained in this Atlas Steels series of tables is not an exhaustive statement of all relevant information. It is a general guide for customers to the products and services available from Atlas Steels and no representation is made or warranty given in relation to this information or the products or processes it describes.

Page 1 of 4

CARBON STEEL GRADE B PIPES - ASTM A53M, A106M, API 5L, Seamless

Maximum Allowable Operating Pressure (MPa)

Nominal

Outside

 

 

Wall

 

 

Temperature (°C)

 

 

Size

(DN) (NPS)

Diameter

(mm)

Schedule

Thickness

(mm)

-29 to +38

204 260 343 371 Maximum Allowable Stress (MPa

399

)

427

 

 

 

 

 

 

137.9

137.9

130.3

117.2

113.8

89.6

74.5

15

1/2

21.3

STD

40

2.77

34.5

34.5

32.6

29.3

 

 

18.6

20

3A

26.7

STD

40

2.87

28.1

28.1

26.5

23.8

23.1

18.2

15.1

XS

80

3.91

39.4

39.4

37.2

33.5

32.5

25.6

21.3

25

1

33.4

STD

40

3.38

26.3

26.3

24.8

22.3

21.7

17.1

14.2

XS

80

4.55

36.3

36.3

34.3

30.9

30.0

23.6

19.6

 

 

 

STD

40

3.56

21.6

21.6

20.4

18.4

17.8

14.1

11.7

32

1%

42.2

XS

80

4.85

30.2

30.2

28.5

25.6

24.9

19.6

16.3

 

 

 

 

160

6.35

40.6

40.6

38.4

34.5

33.5

26.4

21.9

 

 

 

STD

40

3.68

19.4

19.4

18.4

16.5

16.0

12.6

10.5

40

1/

48.3

XS

80

5.08

27.4

27.4

25.9

23.3

22.6

17.8

14.8

 

 

 

 

160

7.14

39.8

39.8

37.6

33.8

32.8

25.9

21.5

 

 

 

STD

40

3.91

16.4

16.4

15.5

13.9

13.5

10.7

8.9

50

2

60.3

XS

80

5.54

23.7

23.7

22.4

20.1

19.5

15.4

12.8

 

 

 

 

160

8.74

38.9

38.9

36.8

33.1

32.1

25.3

21.0

 

 

 

STD

40

5.16

17.9

17.9

17.0

15.3

14.8

11.7

9.7

65

2/

73.0

XS

80

7.01

24.8

24.8

23.5

21.1

20.5

16.1

13.4

 

 

 

 

160

9.53

34.7

34.7

32.8

29.5

28.6

22.5

18.7

 

 

 

STD

40

5.49

15.6

15.6

14.7

13.2

12.8

10.1

8.4

80

3

88.9

XS

80

7.62

22.0

22.0

20.8

18.7

18.2

14.3

11.9

 

 

 

 

160

11.13

33.1

33.1

31.3

28.1

27.3

21.5

17.9

 

 

 

STD

40

6.02

13.2

13.2

12.5

11.2

10.9

8.6

7.1

 

 

 

XS

80

8.56

19.1

19.1

18.0

16.2

15.7

12.4

10.3

100

4

114.3

 

120

11.13

25.2

25.2

23.8

21.4

20.8

16.4

13.6

 

 

 

 

160

13.49

31.0

31.0

29.3

26.4

25.6

20.2

16.8

 

 

 

XXS

 

17.12

40.4

40.4

38.2

34.3

33.3

26.2

21.8

 

 

 

STD

40

6.55

11.6

11.6

10.9

9.8

9.5

7.5

6.2

 

 

 

XS

80

9.53

17.1

17.1

16.1

14.5

14.1

11.1

9.2

125

5

141.3

 

120

12.7

23.1

23.1

21.9

19.7

19.1

15.0

12.5

 

 

 

 

160

15.88

29.4

29.4

27.8

25.0

24.3

19.1

15.9

 

 

 

XXS

 

19.05

35.9

35.9

33.9

30.5

29.6

23.4

19.4

 

 

 

STD

40

7.11

10.5

10.5

9.9

8.9

8.7

6.8

5.7

150

6

168.3

XS

80

10.97

16.5

16.5

15.6

14.0

13.6

10.7

8.9

 

120

14.27

21.8

21.8

20.6

18.5

17.9

14.1

11.7

 

 

 

XXS

160

18.26

28.3

28.3

26.8

24.1

23.4

18.4

15.3

 

 

 

 

20

6.35

7.1

7.1

6.7

6.1

5.9

4.6

3.9

 

 

 

 

30

7.04

7.9

7.9

7.5

6.7

6.5

5.2

4.3

 

 

 

STD

40

8.18

9.3

9.3

8.7

7.9

7.6

6.0

5.0

 

 

 

 

60

10.31

11.7

11.7

11.1

10.0

9.7

7.6

6.3

200

8

219.1

XS

80

12.7

14.6

14.6

13.8

12.4

12.0

9.5

7.9

 

100

15.09

17.5

17.5

16.5

14.8

14.4

11.4

9.4

 

 

 

 

120

18.26

21.4

21.4

20.2

18.2

17.6

13.9

11.5

 

 

 

 

140

20.62

24.3

24.3

23.0

20.7

20.1

15.8

13.1

 

 

 

XXS

 

22.23

26.4

26.4

24.9

22.4

21.7

17.1

14.2

 

 

 

 

160

23.01

27.4

27.4

25.8

23.3

22.6

17.8

14.8

Important - refer to the associated Notes on page 1.

CARBON STEEL GRADE B PIPES - ASTM A53M, A106M, API 5L, Seamless

Maximum Allowable Operating Pressure (MPa)

Nominal

Outside

 

 

Wall

 

 

Temperature (°C)

 

 

Size

i

Diameter

Schedule

Thickness

-29 to +38

204

260

343

371

399

427

(DN)

(NPS)

(mm)

 

 

(mm)

 

Maximum Allowable Stress (MPa

)

 

 

 

 

 

137.9

137.9

130.3

117.2

113.8

89.6

74.5

 

 

 

 

20

6.35

5.7

5.7

5.4

4.8

 

3.7

3.1

 

 

 

 

30

7.8

7.0

7.0

6.6

6.0

5.8

4.6

3.8

 

 

 

STD

40

9.27

8.4

8.4

7.9

7.1

6.9

5.5

4.5

 

 

 

XS

60

12.7

11.6

11.6

11.0

9.9

9.6

7.5

6.3

250

10

273.1

 

80

15.09

13.9

13.9

13.1

11.8

11.4

9.0

7.5

 

 

 

 

100

18.26

16.9

16.9

16.0

14.4

14.0

11.0

9.1

 

 

 

 

120

21.44

20.0

20.0

18.9

17.0

16.5

13.0

10.8

 

 

 

XXS

140

25.4

24.0

24.0

22.7

20.4

19.8

15.6

13.0

 

 

 

 

160

28.58

27.3

27.3

25.8

23.2

22.5

17.7

14.7

 

 

 

 

20

6.35

4.8

4.8

4.5

4.1

4.0

3.1

2.6

 

 

 

 

30

8.38

6.4

6.4

6.0

5.4

5.2

4.1

3.4

 

 

 

STD

 

9.53

7.2

7.2

6.9

6.2

6.0

4.7

3.9

 

 

 

 

40

10.31

7.9

7.9

7.4

6.7

6.5

5.1

4.2

 

 

 

XS

 

12.7

9.7

9.7

9.2

8.3

8.0

6.3

5.3

300

12

323.9

 

60

14.27

11.0

11.0

10.4

9.3

9.0

7.1

5.9

 

 

 

 

80

17.48

13.5

13.5

12.8

11.5

11.2

8.8

7.3

 

 

 

 

100

21.44

16.8

16.8

15.8

14.2

13.8

10.9

9.0

 

 

 

XXS

120

25.4

20.0

20.0

18.9

17.0

16.5

13.0

10.8

 

 

 

 

140

28.58

22.7

22.7

21.4

19.3

18.7

14.8

12.3

 

 

 

 

160

33.32

26.8

26.8

25.3

22.7

22.1

17.4

14.4

 

 

 

 

10

6.35

4.4

4.4

4.1

3.7

3.6

2.8

2.4

 

 

 

 

20

7.92

5.5

5.5

5.2

4.6

4.5

3.5

2.9

 

 

 

STD

30

9.53

6.6

6.6

6.2

5.6

5.4

4.3

3.6

 

 

 

 

40

11.13

7.7

7.7

7.3

6.6

6.4

5.0

4.2

 

 

 

XS

 

12.7

8.8

8.8

8.4

7.5

7.3

5.7

4.8

350

14

355.6

 

60

15.09

10.6

10.6

10.0

9.0

8.7

6.9

5.7

 

 

 

 

80

19.05

13.4

13.4

12.7

11.4

11.1

8.7

7.3

 

 

 

 

100

23.83

17.0

17.0

16.0

14.4

14.0

11.0

9.2

 

 

 

 

120

27.79

20.0

20.0

18.9

17.0

16.5

13.0

10.8

 

 

 

 

140

31.75

23.0

23.0

21.7

19.5

19.0

14.9

12.4

 

 

 

 

160

35.71

26.1

26.1

24.6

22.2

21.5

16.9

14.1

 

 

 

 

10

6.35

3.8

3.8

3.6

3.2

3.1

2.5

2.1

 

 

 

 

20

7.92

4.8

4.8

4.5

4.1

3.9

3.1

2.6

 

 

 

STD

30

9.53

5.8

5.8

5.4

4.9

4.7

3.7

3.1

 

 

 

XS

40

12.7

7.7

7.7

7.3

6.6

6.4

5.0

4.2

400

16

406.4

 

60

16.66

10.2

10.2

9.6

8.7

8.4

6.6

5.5

 

80

21.44

13.2

13.2

12.5

11.2

10.9

8.6

7.1

 

 

 

 

100

26.19

16.3

16.3

15.4

13.8

13.4

10.6

8.8

 

 

 

 

120

30.96

19.4

19.4

18.4

16.5

16.0

12.6

10.5

 

 

 

 

140

36.53

23.1

23.1

21.9

19.7

19.1

15.0

12.5

 

 

 

 

160

40.49

25.8

25.8

24.4

22.0

21.3

16.8

14.0

Important - refer to the associated Notes on page 1.

CARBON STEEL GRADE B PIPES - ASTM A53M, A106M, API 5L, Seamless

Maximum Allowable Operating Pressure (MPa)

Nominal

Outside

 

 

Wall

 

 

Temperature (°C)

 

 

Size

Diameter

Schedule

Thickness -29to+38

204

260

343

371

399

427

(DN)

(NPS)

(mm)

 

 

(mm)

 

Maximum Allowable Stress (MPa

)

 

 

 

 

 

 

 

137.9

137.9

130.3

117.2

113.8

89.6

74.5

 

 

 

 

10

6.35

3.4

3.4

3.2

2.9

 

 

1.8

 

 

 

 

20

7.92

4.2

4.2

4.0

3.6

3.5

2.8

2.3

 

 

 

STD

 

9.53

5.1

5.1

4.8

4.3

4.2

3.3

2.8

 

 

 

XS

30

11.13

6.0

6.0

5.7

5.1

4.9

3.9

3.2

 

 

 

 

 

12.7

6.8

6.8

6.5

5.8

5.6

4.4

3.7

450

18

457

 

40

14.27

7.7

7.7

7.3

6.5

6.4

5.0

4.2

 

60

19.05

10.4

10.4

9.8

8.8

8.5

6.7

5.6

 

 

 

 

80

23.83

13.1

13.1

12.3

11.1

10.8

8.5

7.1

 

 

 

 

100

29.36

16.2

16.2

15.3

13.8

13.4

10.6

8.8

 

 

 

 

120

34.93

19.5

19.5

18.4

16.6

16.1

12.7

10.5

 

 

 

 

140

39.67

22.3

22.3

21.1

19.0

18.4

14.5

12.0

 

 

 

 

160

45.24

25.7

25.7

24.3

21.8

21.2

16.7

13.9

 

 

 

 

10

6.35

3.0

3.0

2.9

2.6

2.5

2.0

1.6

 

 

 

STD

20

9.53

4.6

4.6

4.3

3.9

3.8

3.0

2.5

 

 

 

XS

30

12.7

6.1

6.1

5.8

5.2

5.1

4.0

3.3

 

 

 

 

40

15.09

7.3

7.3

6.9

6.2

6.0

4.8

4.0

500

20

508

 

60

20.62

10.1

10.1

9.5

8.6

8.3

6.6

5.4

 

80

26.19

12.9

12.9

12.2

11.0

10.6

8.4

7.0

 

 

 

 

100

32.54

16.2

16.2

15.3

13.8

13.4

10.5

8.7

 

 

 

 

120

38.1

19.1

19.1

18.1

16.2

15.8

12.4

10.3

 

 

 

 

140

44.45

22.5

22.5

21.3

19.1

18.6

14.6

12.1

 

 

 

 

160

50.01

25.5

25.5

24.1

21.7

21.0

16.6

13.8

 

 

 

 

10

6.35

2.5

2.5

2.4

2.2

2.1

1.6

1.4

 

 

 

STD

20

9.53

3.8

3.8

3.6

3.2

3.1

2.5

2.1

 

 

 

XS

 

12.7

5.1

5.1

4.8

4.3

4.2

3.3

2.8

 

 

 

 

30

14.27

5.7

5.7

5.4

4.9

4.7

3.7

3.1

 

 

 

 

40

17.48

7.1

7.1

6.7

6.0

5.8

4.6

3.8

600

24

610

 

60

24.61

10.0

10.0

9.5

8.5

8.3

6.5

5.4

 

 

 

 

80

30.96

12.7

12.7

12.0

10.8

10.5

8.3

6.9

 

 

 

 

100

38.89

16.1

16.1

15.2

13.7

13.3

10.5

8.7

 

 

 

 

120

46.02

19.2

19.2

18.2

16.3

15.9

12.5

10.4

 

 

 

 

140

52.37

22.0

22.0

20.8

18.7

18.2

14.3

11.9

 

 

 

 

160

59.54

25.3

25.3

23.9

21.5

20.9

16.4

13.7

Important - refer to the associated Notes on page 1.

Page 4 of 4 Revised December 2012

 

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