Weights are approximate and based on manufactur’s data, according to ANSI B16.19
Outside diameter and wall thickness
GB/T 12459、GB/T 13401
Nominal
Pipe
Size
Outside
Diamete
Nominal Wall Thickness
D
DN
A
B
SCH5s
SCH10s
SCH20s
LG
SCH20
SCH30
STD
SCH40
15
21.3
18
1.6
2.1
2.6
—
—
—
—
2.9
20
26.9
25
1.6
2.1
2.6
—
—
—
—
2.9
25
33.7
62
1.6
2.8
3.2
—
—
—
—
3.2
32
42.4
68
1.6
2.8
3.2
—
—
—
—
3.6
40
48.3
45
1.6
2.8
3.2
—
—
—
—
3.6
50
60.3
87
1.6
3.0
3.2
—
3.6
—
—
4.0
65
76.1
(73)
76
2.0
3.0
3.6
—
4.5
—
—
5.0
80
88.9
89
2.0
3.0
4.0
—
4.5
—
—
5.6
90
101.6
—
2.0
3.0
4.0
—
4.5
—
—
5.6
100
114.3
108
2.0
3.0
4.0
—
5.0
—
—
5.9
125
139.7
133
2.9
3.4
5.0
—
5.0
—
—
6.3
150
168.3
159
2.9
3.4
5.0
—
6.0
—
—
7.1
200
21.91
219
2.9
4.0
6.3
—
6.3
7.1
—
8.0
250
273.0
273
2.9
4.0
6.3
—
6.3
8.0
—
8.8
Nominal
Pipe
Size
Outside
Diamete
Nominal Wall Thickness
D
DN
A
B
SCH80
XS
SCH80
SCH100
SCH120
SCH140
SCH180
15
21.3
18
—
—
3.6
—
—
—
4.5
20
26.9
25
—
—
4.0
—
—
—
5.6
25
33.7
62
—
—
4.5
—
—
—
6.3
32
42.4
68
—
—
5.0
—
—
—
6.3
40
48.3
45
—
—
5.0
—
—
—
7.1
50
60.3
87
—
—
5.6
—
—
—
8.8
65
76.1
(73)
76
—
—
7.1
—
—
—
10.0
80
88.9
89
—
—
8.0
—
—
—
11.0
90
101.6
—
—
—
8.0
—
—
—
12.5
100
114.3
108
—
—
8.8
—
11.0
—
14.2
125
139.7
133
—
—
10.0
—
12.5
—
16.0
150
168.3
159
—
—
11.0
—
14.2
—
17.5
200
21.91
219
10.0
—
12.5
16.0
17.5
20.0
22.2
250
273.0
273
12.5
—
16.0
17.5
22.2
25.0
28.0
Outside diameter and wall thickness
SH3408、SH 3409
Nominal
Pipe
Size
Outside
Diameter
Nominal Wall Thickness
D
DN
A
SCH5s
SCH10s
SCH20s
SCH40s
SCH80s
SCH20
SCH30
15
17
1.2
1.6
2.0
2.5
3.2
—
—
20
22
1.6
2.0
2.5
3.0
4.0
—
—
25
27
1.6
2.0
2.5
3.0
4.0
—
—
32
34
1.6
2.8
3.0
3.5
4.5
—
—
40
42
1.6
2.8
3.0
3.5
5.0
—
—
50
48
1.6
2.8
3.0
4.0
5.0
—
—
(65)
60
1.6
2.8
3.5
4.0
5.5
3.5
—
80
76
2.0
3.0
3.5
5.0
7.0
4.5
—
90
89
2.0
3.0
4.0
5.5
7.5
4.5
—
100
114
2.0
3.0
4.0
6.0
8.5
5.0
—
125
140
2.8
3.5
5.0
6.5
9.5
5.0
—
150
168
2.8
3.5
5.0
7.0
11.0
5.5
6.5
Nominal
Pipe
Size
Outside
Diameter
Nominal Wall Thickness
D
DN
A
SCH40
SCH60
SCH80
SCH100
SCH120
SCH140
SCH180
15
17
2.5
—
3.5
—
—
—
—
20
22
3.0
—
4.0
—
—
—
5.5
25
27
3.0
—
4.0
—
—
—
5.0
32
34
3.5
—
4.5
—
—
—
6.5
40
42
3.5
—
5.0
—
—
—
6.5
50
48
4.0
—
5.0
—
—
—
7.0
(65)
60
4.0
5.0
5.5
—
7.0
—
8.5
80
76
5.0
6.0
7.0
—
8.0
—
9.5
90
89
5.5
6.5
7.5
—
9.0
—
11.0
100
114
6.0
7.0
8.5
—
11.0
—
14.0
125
140
6.5
8.0
9.5
—
13.0
—
16.0
150
168
7.0
9.5
11.0
—
14.0
—
18.0
Outside diameter and wall thickness ASME B36.10 M、B36.19M
Nominal
Pipe
Size
Outside
Diameter
Nominal Wall Thickness
D
DN
A
SCH5s
SCH10s
SCH10S
SCH10
SCH20
SCH30
SCH40
STD
6
1/8
10.3
—
1.24
—
—
—
1.73
1.73
8
¼
13.7
—
1.65
—
—
—
2.24
2.24
10
3/8
17.1
—
1.65
—
—
—
2.31
2.31
15
1/2
21.3
1.65
2.11
—
—
—
2.77
2.77
20
¾
26.7
1.65
2.11
—
—
—
2.87
2.87
25
1
33.4
1.65
2.77
—
—
—
3.38
3.38
32
1 ¼
42.2
1.65
2.77
—
—
—
3.56
3.56
40
1 ½
48.3
1.65
2.77
—
—
—
3.68
3.68
50
2
60.3
1.65
2.77
—
—
—
3.91
3.91
65
2 ½
73.0
2.11
3.05
—
—
—
5.16
5.16
80
3
88.9
2.11
3.05
—
—
—
5.49
5.49
90
3 ½
101.6
2.11
3.05
—
—
—
5.74
5.74
100
4
114.3
2.11
3.05
—
—
—
6.02
6.02
125
5
141.3
2.77
3.40
—
—
—
6.55
6.55
150
6
168.3
2.77
3.40
—
—
—
7.11
7.11
200
8
219.1
2.77
3.76
—
6.35
7.04
8.18
8.18
250
10
273.1
3.40
4.16
—
6.35
7.80
9.27
9.27
300
12
323.9
3.96
4.57
—
6.35
8.38
9.53
9.53
Nominal
Pipe
Size
Outside
Diameter
Nominal Wall Thickness
D
DN
A
SCH40
SCH60
SCH80
SCH100
SCH120
SCH140
SCH180
XXS
6
1/8
1.73
—
2.41
—
—
—
—
—
8
¼
2.24
—
3.02
—
—
—
—
—
10
3/8
2.31
—
3.20
—
—
—
—
—
15
1/2
2.77
—
3.73
—
—
—
4.78
7.47
20
¾
2.87
—
3.91
—
—
—
5.56
7.82
25
1
3.38
—
4.55
—
—
—
6.36
9.09
32
1 ¼
3.56
—
4.85
—
—
—
6.36
9.70
40
1 ½
3.68
—
5.08
—
—
—
7.14
10.15
50
2
3.91
—
5.54
—
—
—
8.74
11.07
65
2 ½
5.16
—
7.01
—
—
—
9.5
14.02
80
3
5.49
—
7.62
—
—
—
11.13
15.24
90
3 ½
5.74
—
8.08
—
—
—
—
—
100
4
6.02
—
8.56
—
11.13
—
13.49
17.12
125
5
6.55
—
9.53
—
12.70
—
15.88
19.05
150
6
7.11
—
10.97
—
14.27
—
18.26
21.96
200
8
8.18
10.31
12.70
15.09
18.26
20.62
23.01
22.23
250
10
9.27
12.70
12.70
18.26
21.44
25.40
28.58
25.40
300
12
10.31
14.72
14.27
21.44
25.40
28.58
33.32
25.40
Outside diameter and wall thickness JIS B2311、B2312、B2313
Nominal
Pipe
Size
Outside
Diameter
Nominal Wall Thickness
DN
NPS
D
SGP
SCH5S
SCH10S
SCH10
SCH20S
SCH30
SCH40S
STD
15
½
21.7
2.8
1.65
2.1
—
2.5
—
2.8
2.8
20
¾
27.2
2.8
1.65
2.1
—
2.5
—
2.9
2.9
25
1
34.0
3.2
1.65
2.8
—
3.0
—
3.4
3.4
32
1 4
42.7
3.5
1.65
2.8
—
3.0
—
3.6
3.6
40
1 ½
49.6
3.5
1.65
2.8
—
3.0
—
3.8
3.8
50
2
60.5
3.8
1.65
2.8
—
3.5
—
3.8
3.8
65
2 ½
76.3
4.2
2.1
3.0
—
3.5
—
5.2
5.2
80
3
89.1
4.2
2.1
3.0
—
4.0
—
5.5
5.5
90
3 ½
101.6
4.2
2.1
3.0
—
4.0
—
5.7
5.7
100
6
114.3
4.5
2.1
3.0
—
4.0
—
6.0
6.0
125
6
139.8
4.5
2.8
3.4
—
5.0
—
6.6
6.6
150
6
165.2
5.0
2.8
3.4
—
5.0
—
7.1
7.1
200
8
216.3
5.8
2.8
4.0
—
6.5
7.0
8.2
8.2
250
10
267.4
6.6
3.4
4.0
—
6.5
7.8
9.3
9.3
300
12
318.5
6.9
4.0
4.5
—
6.5
8.4
9.5
9.5
Nominal
Pipe
Size
Outside
Diameter
Nominal Wall Thickness
DN
NPS
D
SCH40
SCH60
SCH80S
XS
SCH80
SCH100
SCH120
SCH140
SCH160
15
½
21.7
2.8
—
3.7
3.7
3.7
—
—
—
4.8
7.5
20
¾
27.2
2.9
—
3.9
3.9
3.9
—
—
—
5.6
7.8
25
1
34.0
3.4
—
4.5
4.5
4.5
—
—
—
6.4
9.1
32
1 4
42.7
3.6
—
4.9
4.9
4.9
—
—
—
6.4
9.7
40
1 ½
49.6
3.8
—
5.1
5.1
5.1
—
—
—
7.1
10.2
50
2
60.5
3.8
—
5.5
5.5
5.5
—
—
—
8.7
11.1
65
2 ½
76.3
5.2
—
7.0
7.0
7.0
—
—
—
9.5
14.0
80
3
89.1
5.5
—
7.6
7.6
7.6
—
—
—
11.4
15.2
90
3 ½
101.6
5.7
—
8.1
8.1
8.1
—
—
—
—
—
100
6
114.3
6.0
—
8.6
8.6
8.6
—
11.1
—
13.5
17.1
125
6
139.8
6.6
—
9.5
9.5
9.5
—
12.8
—
15.9
19.0
150
6
165.2
7.1
—
11.0
11.0
11.0
—
14.3
—
18.2
21.9
200
8
216.3
8.2
10.3
12.7
12.7
12.7
15.1
18.2
20.6
23.0
22.2
250
10
267.4
9.3
12.7
12.7
12.7
12.7
18.3
21.4
25.4
28.6
25.4
300
12
318.5
9.5
14.3
12.7
12.7
12.7
21.4
25.4
28.6
33.3
25.4
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