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Carbon steel pipes for ordinary piping SGP (JIS G3452-2014）
How to call pipe
Outer diameter
(A)
(B)
15
1/2
20
3/4
25
1
32
1 1/4
40
1 1/2
50
2
65
2 1/2
80
3
90
3 1/2
100
4
125
5
150
6
175
7
200
8
Carbon steel pipes for pressure service STPG (JIS G3454-2017)
Outer
Nominal
diameter
diameter
Schedule 10 Schedule 20 Schedule 30 Schedule 40 Schedule 60 Schedule 80
mm
A
B
15
1/2
21.7
20
3/4
27.2
25
1
34.0
32
1 1/4
42.7
40
1 1/2
48.6
50
2
60.5
65
2 1/2
76.3
80
3
89.1
90
3 1/2
101.6
100
4
114.3
125
5
139.8
150
6
165.2
200
8
216.3
7.4. Piping data
Thickness
(mm)
(mm)
21.7
2.8
27.2
2.8
34.0
3.2
42.7
3.5
48.6
3.5
60.5
3.8
76.3
4.2
89.1
4.2
101.6
4.2
114.3
4.5
139.8
4.5
165.2
5.0
190.7
5.3
216.3
5.8
Thickness
Thickness
mm
mm
-
-
-
-
-
-
-
-
-
-
-
3.2
-
4.5
-
4.5
-
4.5
-
4.9
-
5.1
-
5.5
-
6.4
Thickness
Thickness
Thickness
mm
mm
-
2.8
-
2.9
-
3.4
-
3.6
-
3.7
-
3.9
-
5.2
-
5.5
-
5.7
-
6.0
-
6.6
-
7.1
7.0
8.2
－127－
Thickness
Thickness
mm
mm
3.2
3.7
3.4
3.9
3.9
4.5
4.5
4.9
4.5
5.1
4.9
5.5
6.0
7.0
6.6
7.6
7.0
8.1
7.1
8.6
8.1
9.5
9.3
11.0
10.3
12.7
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