Flanges & Pipe fittings

  

 ANSI STANDARD FLANGES


                                            Unit mm
ANSI B16.5 FORGED FLANGES ( CLASS 150 )

Normal
Pipe
Size
Outside
Diam
O.D. of Raised Face
of Base
of Hub
Thickness
Bore
Length Thru Hub
Dia. of Hub at Bevel
Radius of Fillet
Thread Length
Welding Neck Socket Welding
Slip-on Socket Welding
Lap Joint
Welding Neck
Slip-on Threaded Socket Welding
Lap Joint
D
G
X
T
B1
B2
B3
T1
T2
T3
A
R
Q
1/2
3/4
1
89
99
108
35.1
42.9
50.8
30.2
38.1
49.3
11.2
12.7
14.2
15.7
20.8
26.7
22.4
27.7
34.5
22.9
28.2
35.1
47.8
52.3
55.6
15.7
15.7
17.5
15.7
15.7
17.5
21.3
26.7
33.5
3.0
3.0
3.0
15.7
15.7
17.5
1 1/4
1 1/2
2
117
127
152
63.5
73.2
91.9
58.7
65.0
77.7
15.7
17.5
19.1
35.1
40.9
52.6
43.2
49.5
62.0
43.7
40.0
62.5
57.2
62.0
63.5
20.6
22.4
25.4
20.6
22.4
25.4
42.2
48.3
60.5
4.8
6.4
7.9
20.6
22.4
25.4
2 1/2
3
3 1/2
178
191
216
104.6
127.0
139.7
90.4
108.0
122.2
22.4
23.9
23.9
62.7
78.0
90.2
74.7
90.7
103.4
75.4
91.4
104.1
69.9
69.9
71.4
28.4
30.2
31.8
28.4
30.2
31.8
73.2
88.9
101.6
7.9
9.7
9.7
28.4
30.2
31.8
4
5
6
229
254
279
157.2
185.7
215.9
134.9
163.6
192.0
23.9
23.9
25.4
102.4
128.3
154.2
116.1
143.8
170.7
116.8
144.5
171.5
76.2
88.9
88.9
33.3
36.6
39.6
33.3
36.6
39.6
114.3
141.2
168.4
11.2
11.2
12.7
33.3
36.6
39.6
8
10
12
343
406
483
269.7
323.9
381.0
246.1
304.8
365.3
28.4
30.2
31.8
202.7
254.5
304.8
221.5
276.4
327.2
222.3
277.4
328.2
101.6
101.6
114.3
44.5
49.3
55.6
44.5
49.3
55.6
219.2
273.1
323.9
12.7
12.7
12.7
44.5
49.3
55.6
14
16
18
533
597
635
412.8
469.9
533.4
400.1
457.2
505.0
35.1
36.6
39.6
336.6
387.1
438.2
359.2
410.5
461.8
360.2
411.2
462.3
127.0
127.0
139.7
57.2
63.5
68.3
79.2
87.4
96.8
355.6
406.4
457.2
12.7
12.7
12.7
57.2
63.5
68.3
20
24
699
813
584.2
692.2
558.8
663.4
42.9
47.8
489.0
590.6
513.1
616.0
514.4
616.0
144.5
152.4
73.2
82.6
103.1
111.3
508.0
609.6
12.7
12.7
73.2
82.6

ANSI STANDARD


                                                                                                                                                                                                    Unit mm

Normal Pipe Size
Depth of Socket
Drlling
Bolting
Approximate Weight
Bolt Circle Diam
Nmuber of Holes
Diam of Holes
Diam of Bolts (inch)
Machine Bolt Length
Stud Bolt Length
Welding Neck
Slip-on and Threaded
Lap Joint
Blind
Socket Welding
Y
Raised Face
Raised Face
Ring
Joint
Kg
Kg
Kg
Kg
Kg
1/2
3/4
1
9.7
11.2
12.7
60.5
69.9
79.2
4
4
4
15.7
15.7
15.7
1/2
1/2
1/2
50.8
50.8
57.2
57.2
63.5
63.5
--
--
76.2
0.52
0.92
1.10
0.47
0.75
0.86
0.51
0.70
0.93
0.47
0.63
0.95
0.47
0.76
0.87
1 1/4
1 1/2
2
14.2
15.7
17.5
88.9
98.6
120.7
4
4
4
15.7
15.7
19.1
1/2
1/2
5/8
57.2
63.5
69.9
69.9
69.9
82.6
82.6
82.6
95.3
1.40
1.81
2.8
1.40
1.41
2.26
1.40
1.51
2.38
1.40
1.62
2.64
1.43
1.45
2.33
2 1/2
3
3 1/2
19.1
50.6
22.4
139.7
152.4
177.8
4
4
8
19.1
19.1
19.1
5/8
5/8
5/8
76.2
76.2
76.2
88.9
88.9
88.9
101.6
101.6
101.6
4.28
5.18
5.50
3.43
4.00
5.00
3.60
4.04
4.99
4.06
5.00
5.90
3.55
4.15
5.00
4
5
6
23.9
23.9
26.9
190.5
215.9
241.3
8
8
8
19.1
22.4
22.4
5/8
3/4
3/4
76.2
82.6
82.6
88.9
95.3
101.6
101.6
108.0
114.3
7.32
8.91
11.26
5.75
6.51
7.81
5.96
6.44
7.70
7.50
9.00
12.00
5.99
6.96
8.41
8
10
12
31.8
33.3
39.6
298.5
362.0
431.8
8
12
12
22.4
25.4
25.4
3/4
7/8
7/8
88.9
101.6
101.6
108.0
114.3
120.7
120.7
127.0
133.4
18.00
25.00
38.98
13.00
17.10
27.68
12.66
17.00
28.30
20.00
30.00
44.00
13.93
19.50
29.03
14
16
18
41.4
44.5
49.3
476.3
539.8
577.9
12
16
16
28.4
28.4
31.8
1
1
1 1/8
114.3
114.3
127.0
133.4
133.4
146.1
146.1
146.1
158.8
51.71
64.41
74.84
35.20
45.00
54.00
41.50
52.98
68.00
64.00
78.00
95.00
38.56
47.37
58.72
20
24
54.1
63.5
635.0
749.3
20
20
31.8
35.1
1 1/8
1 1/4
139.7
152.4
158.8
171.5
171.5
184.2
89.36
119.66
73.00
96.00
85.00
120.00
125.00
190.00
77.81
100.75

 ANSI B16.5 ( ASTM STANDARD )

MATERIAL SPECIFIGATIONS

ASTM Grade Classification CHEMICAL COMPOSITION MECHANICAL PROPERTIES
C

%		 Mn

%		 P
Max
%		 S
Max
%		 Si

%		 Ni

%		 Cr

%		 Mo

%		 T.S
Min.psi
(kg/mm2)		 Y.S
Min.psi
(kg/mm2)		 EL
Min
%		 Red
Min
%		 HB
A-105*

A-181

A-181
60

70
 Carbon
Steel
Carbon
Steel
Carbon
Steel		 MAX
0.35
MAX
0.35
MAX
0.35		 0.60-
1.05
MAX
0.90
MAX
0.90 		0.040

0.050

0.050		 0.050

0.050

0.050		 MAX
0.35
MAX
(0.35)
MAX
(0.35)		 MAX
0.40		 MAX
0.30		 MAX
0.12		 70.000
(49.2)
60.000
(42.2)
70.000
(49.2)		 36.000
(25.3)
30.000
(21.1)
35.000
(25.3)		 22

22

18		 30

35

24		 MAX
187
A-182

A-182

A-182
 F1

F5

F5a		 1/2Mo

5Cr-1/2Mo

5Cr-1/2Mo		 MAX
0.28
MAX
0.15
MAX
0.25		 0.60-
0.90
0.30-
0.60
MAX
0.6		 0.045

0.030

0.040		 0.045

0.030

0.030		 0.15-
0.35
MAX
0.50
MAX
0.50		 MAX
0.50
MAX
0.50

4.00-
6.00
4.00-
6.00		 0.44-
0.65
0.44-
0.65
0.44-
0.65		 70.000
(49.2)
70.000
(49.2)
90.000
(63.3)		 40.000
(28.1)
40.000
(28.1)
65.000
(45.7)		 20

20

22		 30

35

50		 143-
192
143-
217
187-
248
A-182

A-182

A-182

A-182

A-182
 F11-1

F11-2

F12-1

F12-1

F12-2		 11/4Cr-1/2Mo

1Cr-1/2Mo

1Cr-1/2Mo

1Cr-1/2Mo

1Cr-1/2Mo		 0.05-
0.15
0.10-
0.20
0.10-
0.20
0.05-
0.15
0.10-
0.20		 0.30-
0.60
0.30-
0.80
0.30-
0.80
0.30-
0.60
0.30-
0.80		 0.030

0.040

0.040

0.045

0.040		 0.030

0.040

0.040

0.045

0.040		 0.50-
1.00
0.50-
1.00
0.50-
1.00
MAX
0.50
0.10-
0.60		   1.00-
1.50
1.00-
1.50
1.00-
1.50
0.80-
1.25
0.80-
1.25		 0.44-
0.65
0.44-
0.65
0.44-
0.65
0.44-
0.65
0.44-
0.65		 60.000
(42.2)
70.000
(49.2)
75.000
(52.7)
60.000
(42.2)
70.000
(49.2)		 30.000
(21.2)
40.000
(28.1)
45.000
(31.6)
30.000
(21.1)
40.000
(28.1)		 20

20

20

20

20		 45

30

30

45

30		 121-
174
143-
207
156-
207
121-
174
143-
207
A-182

A-182

A-182
 F11

F12

F22
 11/4Cr-1/2Mo

1Cr-1/2Mo

21/4Cr-1Mo		 0.10-
0.20
0.10-
0.20
MAX
0.15		 0.30-
0.60
0.30-
0.80
0.30-
0.60		 0.040

0.040

0.040		 0.040

0.040

0.040		 0.50-
1.00
0.10-
0.60
MAX
0.50		   1.00-
1.50
0.80-
1.25
2.00-
2.50		 0.44-
0.65
0.44-
0.65
0.87-
1.13		 70.000
(49.2)
70.000
(49.2)
75.000
(52.7)		 40.000
(28.1)
40.000
(28.1)
45.000
(31.6)		 20

20

20		 30

30

30		 143-
207
143-
207
156-
207
A-182

A-182

A-182
 F304

F304L

F316		 18Cr-8Ni

18Cr-8Ni
low
18Cr-8Ni
Mo		 MAX
0.08
MAX
0.35
MAX
0.08		 MAX
2.00
MAX
2.00
MAX
2.00		 0.040

0.040

0.040		 0.030

0.030

0.030		 MAX
1.00
MAX
1.00
MAX
1.00		 8.00-
11.00
8.00-
13.00
10.00-
14.00		 18.00-
20.00
18.00-
20.00
16.00-
18.00



2.00-
3.00		 75.000
(52.7)
70.000
(49.2)
75.000
(52.70		 30.000
(21.1)
25.000
(17.6)
30.000
(21.7)		 30

30

30		 50

50

50		  
A-182

A-182

A-182
 F316L

F321

F347		 18Cr-8Ni
Mo-low
18Cr-8Ni
Ti
18Cr-8Ni Cb		 MAX
0.035
MAX
0.08
MAX
0.08		 MAX
2.00
MAX
2.00
MAX
2.00		 0.040

0.030

0.030		 0.030

0.030

0.030		 MAX
1.00
MAX
1.00
MAX
1.00		 10.00-
15.00
9.00-
12.00
9.00-
13.00		 16.00-
18.00
Min
17.00
17.00-
20.00		 2.00-
3.00		 65.000
(45.7)
75.000
(52.7)
75.000
(52.7)		 25.000
(17.6)
30.000
(21.1)
30.000
(21.1)		 30

30

30		 50

50

50		  
A-350*

A-350*

A-350*
 LF1

LF2

LF3		 Carbon
Steel
Carbon
Steel
31/2 Ni		 MAX
0.30
MAX
0.30
MAX
0.20		 0.75-
1.05
MAX
1.35
MAX
0.90		 0.035

0.035

0.035		 0.040

0.040

0.040		 0.15-
0.30
0.15-
0.30
0.20-
0.35		 MAX
0.40
MAX
0.40
3.25-
3.75		 MAX
0.12
MAX
0.12
MAX
0.12		 MAX
0.12
MAX
0.12
MAX
0.12		 60.000-85.000
(42.5-59.7)
70.000-95.000
(49.2-66.8)
70.000-95.000
(49.2-66.8)		 30.000
(21.1)
36.000
(25.3)
37.500
(26.4)		 25

22

22		 38

30

35