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Large-Diameter Welded Steel Pipe Size Range
Manufacturing Available Size Range (Carbon Steel Pipes)
Nominal Size
O.D.
Wall thickness (mm)
O.D.
(in)
(mm)
6.4
7.0
7.9
8.0
9.0
9.5
10.0
11.0
12.0
12.7
13.7
14.3
15.1
16.1
17.5
19.1
20.6
22.2
23.8
25.4
27.0
28.6
30.2
31.8
33.0
34.9
36.5
38.1
(mm)
20
508.0
508.0
22
558.8
558.8
24
609.4
609.4
26
660.4
660.4
28
711.2
711.2
30
762.0
762.0
32
812.8
812.8
34
863.6
863.6
36
914.4
914.4
38
965.2
965.2
40
1016.0
1016.0
42
1066.8
1066.8
44
1117.6
1117.6
46
1168.4
1168.4
48
1219.2
1219.2
50
1270.0
1270.0
52
1320.8
1320.8
54
1371.6
1371.6
56
1422.4
1422.4
58
1473.2
1473.2
60
1524.0
1524.0
(in)
(mm)
6.4
7.0
7.9
8.0
9.0
9.5
10.0
11.0
12.0
12.7
13.7
14.3
15.1
16.1
17.5
19.1
20.6
22.2
23.8
25.2
27.0
28.6
30.2
31.8
33.0
34.9
36.5
38.1
(mm)
Nominal Size
O.D.
Wall thickness (mm)
O.D.
+
+
: X65
+
: X70
: X80
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