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Engineering Tools > Standard Flange Dimension 		 
 
Pipe schedules: This page lists the pipe wallthickness of pipes per schedule according the ANSI norm.
   
  De = Outside diameter
   
   
 
   
Pipe schedules according ANSI
Nom.OD
De
[mm]
20
[mm]
30
[mm]
STD
[mm]
40
[mm]
60
[mm]
XS
[mm]
80
[mm]
100
[mm]
120
[mm]
140
[mm]
160
[mm]
XXS
[mm]
0.37
17.14
2.31
2.31
3.20
3.20
0.5
21.34
2.77
2.77
3.73
3.73
4.78
7.47
0.75
26.67
2.87
2.87
3.91
3.91
5.56
7.82
1
33.40
3.38
3.38
4.55
4.55
6.35
9.09
1.25
42.16
3.56
3.56
4.85
4.85
6.35
9.70
1.5
48.26
3.68
3.68
5.08
5.08
7.14
10.16
2
60.32
3.91
3.91
5.54
5.54
8.74
11.07
2.5
73.02
5.16
5.16
7.01
7.01
9.52
14.02
3
88.90
5.49
5.49
7.62
7.62
11.13
15.24
3.5
101.60
5.74
5.74
8.08
8.08
4
114.30
6.02
6.02
8.56
8.56
11.13
13.49
17.12
5
141.30
6.55
6.55
9.52
9.52
12.70
15.88
19.05
6
168.30
7.11
7.11
10.97
10.97
14.27
18.26
21.95
8
219.10
6.35
7.04
8.18
8.18
10.31
12.70
12.70
15.09
18.26
20.62
23.01
22.22
10
273.05
6.35
7.80
9.27
9.27
12.70
12.70
15.09
18.26
21.44
25.40
28.58
25.40
12
323.85
6.35
8.38
9.52
10.31
14.27
12.70
17.47
21.44
25.40
28.58
33.34
25.40
14
355.60
7.92
9.52
9.52
11.13
15.09
12.70
19.05
23.82
27.79
31.75
35.71
16
406.40
7.92
9.52
9.52
12.70
16.64
12.70
21.44
26.19
30.96
36.52
40.49
18
457.20
7.92
11.13
9.52
14.27
19.05
12.70
23.82
29.36
34.92
39.69
45.24
20
508.00
9.52
12.70
9.52
15.09
20.62
12.70
26.19
32.54
38.10
44.45
50.01
22
558.80
9.52
12.70
9.52
22.22
12.70
28.60
34.92
41.28
47.62
53.98
24
609.60
9.52
14.27
9.52
17.48
24.61
12.70
30.96
38.89
46.02
52.30
59.54
26
660.40
12.70
9.52
12.70
28
711.20
12.70
15.88
9.52
12.70
30
762.00
12.70
15.88
9.52
12.70
32
812.80
12.70
15.88
9.52
17.48
12.70
34
863.60
12.70
15.88
9.52
17.48
12.70
36
914.40
12.70
15.88
9.52
19.05
12.70
  Note: For study and estimating purposes only. Data should be checked and approved by qualified engineer.
Courtesy of Vessel Engineering Software (VES).