Carbon and Stainless Steel Flanges - ASME/ANSI Class 300

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Carbon and Stainless Steel Flanges - ASME/ANSI Class 300
 
Metal Steel Technology Summary>>Carbon and Stainless Steel Flanges - ASME/ANSI Class 300

Carbon and Stainless Steel Flanges - ASME/ANSI Class 300
ASME/ANSI B16.5-1996 Pipe Flanges and Flanged Fittings - Class 300 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts

Carbon and Stainless Steel Flanges - ASME/ANSI Class 300:Class 300 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts for Weld neck, Threaded, Slip-on, Lap joint, Socket weld and Blind flanges.

Carbon and stainless steel qualities according ASME B16.5 Table 1A.

Pipe Size
(inches)
Outside Diameter
(inches)
Inside Diameter
(inches)
Number of Bolt Holes Bolt Hole Diameter
(inches) 1)
Bolt Circle
(inches)
1/2
3-3/4
0.88
4
5/8
2-5/8
3/4
4-5/8
1.09
4
3/4
3-1/4
1
4-7/8
1.36
4
3/4
3-1/2
1-1/4
5-1/4
1.70
4
3/4
3-7/8
1-1/2
6-1/8
1.95
4
7/8
4-1/2
2
6-1/2
2.44
8
3/4
5
2-1/2
7-1/2
2.94
8
7/8
5-7/8
3
8-1/4
3.57
8
7/8
6-5/8
3-1/2
9
4.07
8
7/8
7-1/4
4
10
4.57
8
7/8
7-7/8
5
11
5.66
8
7/8
9-1/4
6
12-1/2
6.72
12
7/8
10-5/8
8
15
8.72
12
1
13
10
17-1/2
10.88
16
1-1/8
15-1/4
12
20-1/2
12.88
16
1-1/4
17-3/4
14
23
14.14
20
1-1/4
20-1/4
16
25-1/2
16.16
20
1-3/8
22-1/2
18
28
18.18
24
1-3/8
24-3/4
20
30-1/2
20.20
24
1-3/8
27
24
36
24.25
24
1-5/8
32

1) Recommended bolts are 1/8 smaller than the nominal bolt hole diameters shown.

 

 

 


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Carbon and Stainless Steel Flanges - ASME/ANSI Class 300