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ASME B16.11-2016(Revision of ASME B16.11-2011)



Dimensions in Millimeters.

Socket Welding

Nom ,
DN Pipe
Size

B(2)

C(1)

 

D(2)

A(2)

J
(Min)

(Avg)

(Min)

3000Lb

6

1/8

10.8

3.18

3.18

6.9

11.0

9.5

8

1/4

14.2

3.78

3.30

9.3

11.0

9.5

10

3/8

17.6

4.01

3.50

12.6

13.5

9.5

15

1/2

21.8

4.67

4.09

15.8

15.5

9.5

20

3/4

27.2

4.90

4.27

21.0

19.0

12.5

25

1

33.9

5.69

4.98

26.7

22.5

12.5

32

1-1/4

42.7

6.07

5.28

35.1

27.0

12.5

40

1-1/2

48.8

6.35

5.54

40.9

32.0

12.5

50

2

61.2

6.93

6.04

52.5

38.0

16.0

65

2-1/2

73.9

8. 76

7.67

62.7

41.0

16.0

80

3

89.8

9.52

8.30

78.0

57.0

16.0

100

4

115.2

10.69

9.35

102.3

66.5

19.0
6000Lb

16

1/8

10.8

3.96

3.43

    4.0

11.0

9 .5

8

1/4

14.2

4.60

4.01

6.4

13.6

9.5

10

3/8

17.6

5.03

 4.37

 9.2

15.5

9.5

15

1/2

21.8

5.97

5.18

11.8

19.0

9.5

20

3/4

27.2

6.96

 6.04

15.6

22.5

12.5

25

1

33.9

7.92

6.93

20.7

27.0

12.5

32

1-1/4

42.7

7.92

6.93

29.5

32.0

12.5

40

1-1/2

48.8

8.92

7.80

34.0

38.0

12.5

50

2

61.2

10.92

9.50

42.9

41.0

16.0
9000Lb

15

1/2

21.8

9.35

8.18

6.4

25.5

9.5

20

 3/4

27.2

9.78

8.56

11.1

28.5

12.5

25

1

33.9

11.38

 9.96

15.2

32.0

12.5

32

1-1/4

42.7

12.14

10.62

22.8

35.0

12.5

40

1-1/2

48.8

12.70

11.12

28.0

38.0

12.5

50

2

61.2

13.84

12.12

38.2

54.0

16.0

(1) Average of socket Wall Thickness around periphery shall be no less than listed values. The minimum values are permitted in localized areas.

(2) Tolerance see page 18,

Dimensions in Millimeters.

Threaded

DN

Nom
Pipe
Size

Length of Thread.
( min)

A

H

B(*)

L2(*)

2000Lb

6

1/8

6.4

6.7

 21

22

8

1/4

8.1

10.2

21

22

10

3/8

9.1

10.4

25

25

15

1/2

10.9

13.6

28

33

20

3/4

12.7

13.9

33

38

25

1

14.7

17.3

38

46

32

1-1/4

17.0

18.0

44

56

40

1-1/2

 17.8

18.4

51

62

50

2

19.0

19.2

60

75

65

2-1/2

23.6

28.9

76

92

80

3

25.9

30.5

86

109

100

4

27.7

33.0

106

 146
3000Lb

6

1/8

6.4

6.7

21

22

8

1/4

8.1

10.2 

25

25

10

3/8

9.1

10.4

28

33

15

1/2

10.9

13.6

33

38

20

3/4

12.7

13.9

38

46

25

1

14.7

17.3

44

56

32

1-1/4

17.0

18.0

51

62

40

1-1/2

17.8

18.4

60

75

50

2

19.0

19.2

64

84

65

 2-1/2

23.6

28.9

83

102

80

3

 25.9

30.5

95

121

100

4

27.7

33.0

114

152
6000Lb

6

1/8

6.4

-

6.7

-

25

25

8

1/4

8.1

-

10.2

-

28

33

10

3/8

9.1

-

10.4

-

33

38

15

1/2
10.9

-

 13.6

-

38

46

20

3/4

12.7

-

13.9

-

44

56

25

1

14.7

-

17.3

-

51

52

32

1-1/4

 17.0

-

18.0

-

60

75

40

1-1/2

17.8

-

18.4

-

64

84

50

2

19.0

-

19.2

-

83

102

65

2-1/2

23.6

-

28.9

-

95

121

80

3

25.9

-

30.5

-

106

146

100

4

27.7

-

33.0

-

114

152

Dimension B is minimum length of perfect thread. the length of useful thread (B plus threads with fully formed roots and flat crests) shall not be less than L2 (effective length of external thread) required by American National Standard for pipe threads (ANSI ASME B1.20.1)

DIMENSIONAL TOLERANCE OF ASME B16.11
ASME B16.11-2016(Unit : mm)

Item

Type of
pipe fitting

Size

DN

6 to 8

10 to 20

25 to 50

65 to 100

NPS

1/8 to 1/4

3/8 to 3/4

1 to 2

2-1/2 to 4

Bore diameter of socket (B)

All types of
pipe fittings

+0.4
—0.0

+0.4
—0.0

+0.4
—0.0

+0.4
—0.0

Bore diameter of fitting (D)

±0.7

±0.7

±0.7

±1.4

Concentricity of bore (X)

+ 0.8

Coincidence of axes (Y)

1/200 Max

Center to bottom of socket (A)

45° 90° Elbow
Tee Cross

±1.0

±1.5

±2.0

±2.5

Bottom to bottom of socket (E)

Full Coupling

±1.5

± 3.0

±4.0

±5.0

Bottom to socket to opposite face (F)

Half Coupling

±1.0

±3.0

± 4.0

±5.0