Pipe Dimension(Diameter Nominal(DN) | Nominal Bore(NB)|Nominal Pipe Size(NPS))  

Nominal Pipe Size Inches
Nominal Pipe Size
OD Inches
OD mm
Schedule Designations ANSI/ASME
Wall Thickness Inch
Wall Thickness mm
Lbs/Ft
Kg/M
1/8
6
0.405
10.3
10/10S
0.049
1.24
0.1863
0.28
1/8
6
0.405
10.3
STD/40/40S
0.068
1.73
0.2447
0.36
1/8
6
0.405
10.3
XS/80/80S
0.095
2.41
0.3145
0.47
1/4
8
0.54
13.7
10/10S
0.065
1.65
0.3297
0.49
1/4
8
0.54
13.7
STD/40/40S
0.088
2.24
0.4248
0.63
1/4
8
0.54
13.7
XS/80/80S
0.119
3.02
0.5351
0.8
3/8
10
0.675
17.1
10/10S
0.065
1.65
0.4235
0.63
3/8
10
0.675
17.1
STD 40/40S
0.091
2.31
0.5676
0.84
3/8
10
0.675
17.1
XS 80/80S
0.126
3.2
0.7388
1.1
1/2
15
0.84
21.3
5/5S
0.065
1.65
0.5383
0.8
1/2
15
0.84
21.3
10/10S
0.083
2.11
0.671
1
1/2
15
0.84
21.3
STD 40/40S
0.109
2.77
0.851
1.27
1/2
15
0.84
21.3
XS 80/80S
0.147
3.73
1.088
1.62
1/2
15
0.84
21.3
160
0.188
4.78
1.309
1.95
1/2
15
0.84
21.3
XX
0.294
7.47
1.714
2.55
Nominal Pipe Size Inches
Nominal Pipe Size
OD Inches
OD mm
Schedule Designations ANSI/ASME
Wall Thickness Inch
Wall Thickness mm
Lbs/Ft
Kg/M
3/4
20
1.05
26.7
5/5S
0.065
1.65
0.6838
1.02
3/4
20
1.05
26.7
10/10S
0.083
2.11
0.8572
1.28
3/4
20
1.05
26.7
STD/40/40S
0.113
2.87
1.131
1.68
3/4
20
1.05
26.7
XS/80/80S
0.154
3.91
1.474
2.19
3/4
20
1.05
26.7
160
0.219
5.56
1.944
2.89
3/4
20
1.05
26.7
XX
0.308
7.82
2.441
3.63
1
25
1.315
33.4
5/5S
0.065
1.65
0.8678
1.29
1
25
1.315
33.4
10/10S
0.109
2.77
1.404
2.09
1
25
1.315
33.4
STD/40/40S
0.133
3.38
1.679
2.5
1
25
1.315
33.4
XS/80/80S
0.179
4.55
2.172
3.23
1
25
1.315
33.4
160
0.25
6.35
2.844
4.23
1
25
1.315
33.4
XX
0.358
9.09
3.659
5.45
Nominal Pipe Size Inches
Nominal Pipe Size
OD Inches
OD mm
Schedule Designations ANSI/ASME
Wall Thickness Inch
Wall Thickness mm
Lbs/Ft
Kg/M
1-1/4
32
1.66
42.2
10/10S
0.109
2.77
1.806
2.69
1-1/4
32
1.66
42.2
STD/40/40S
0.14
3.56
2.273
3.38
1-1/4
32
1.66
42.2
XS/80/80S
0.191
4.85
2.997
4.46
1-1/4
32
1.66
42.2
160
0.25
6.35
3.765
5.6
1-1/4
32
1.66
42.2
XX
0.382
9.7
5.214
7.76
1-1/2
40
1.9
48.3
5/5S
0.065
1.65
1.274
1.9
1-1/2
40
1.9
48.3
10/10S
0.109
2.77
2.085
3.1
1-1/2
40
1.9
48.3
STD/40/40S
0.145
3.68
2.718
4.05
1-1/2
40
1.9
48.3
XS/80/80S
0.2
5.08
3.631
5.4
1-1/2
40
1.9
48.3
160
0.281
7.14
4.859
7.23
1-1/2
40
1.9
48.3
XX
0.4
10.16
6.408
9.54
2
50
2.375
60.3
5/5S
0.065
1.65
1.604
2.39
2
50
2.375
60.3
10/10S
0.109
2.77
2.638
3.93
2
50
2.375
60.3
STD/40/40S
0.154
3.91
3.653
5.44
2
50
2.375
60.3
XS/80/80S
0.218
5.54
5.022
7.47
2
50
2.375
60.3
160
0.344
8.74
7.462
11.11
2
50
2.375
60.3
XX
0.436
11.07
9.029
13.44
Nominal Pipe Size Inches
Nominal Pipe Size
OD Inches
OD mm
Schedule Designations ANSI/ASME
Wall Thickness Inch
Wall Thickness mm
Lbs/Ft
Kg/M
2-1/2
65
2.875
73
10/10S
0.12
3.05
3.531
5.26
2-1/2
65
2.875
73
STD/40/40S
0.203
5.16
5.793
8.62
2-1/2
65
2.875
73
XS/80/80S
0.276
7.01
7.661
11.4
2-1/2
65
2.875
73
160
0.375
9.53
10.01
14.9
2-1/2
65
2.875
73
XX
0.552
14.02
13.69
20.37
3
80
3.5
88.9
5/5S
0.083
2.11
3.029
4.51
3
80
3.5
88.9
10/10S
0.12
3.05
4.332
6.45
3
80
3.5
88.9
STD/40/40S
0.216
5.49
7.576
11.27
3
80
3.5
88.9
XS/80/80S
0.3
7.62
10.25
15.25
3
80
3.5
88.9
160
0.438
11.13
14.32
21.31
3
80
3.5
88.9
XX
0.6
15.24
18.58
27.65
3-1/2
90
4
101.6
5/5S
0.083
2.11
3.472
5.17
3-1/2
90
4
101.6
10/10S
0.12
3.05
4.973
7.4
3-1/2
90
4
101.6
STD 40/40S
0.226
5.74
9.109
13.56
3-1/2
90
4
101.6
XS 80/80S
0.318
8.08
12.5
18.6
3-1/2
90
4
101.6
XX
0.636
16.15
22.85
34.01
Nominal Pipe Size Inches
Nominal Pipe Size
OD Inches
OD mm
Schedule Designations ANSI/ASME
Wall Thickness Inch
Wall Thickness mm
Lbs/Ft
Kg/M
4
100
4.5
114.3
10/10S
0.12
3.05
5.613
8.35
4
100
4.5
114.3
STD 40/40S
0.237
6.02
10.79
16.06
4
100
4.5
114.3
XS 80/80S
0.337
8.56
14.98
22.29
4
100
4.5
114.3
120
0.438
11.13
19
28.28
4
100
4.5
114.3
160
0.531
13.49
22.51
33.5
4
100
4.5
114.3
XX
0.674
17.12
27.54
40.99
5
125
5.563
141.3
5/5S
0.109
2.77
6.349
9.45
5
125
5.563
141.3
10/10S
0.134
3.4
7.77
11.56
5
125
5.563
141.3
STD 40/40S
0.258
6.55
14.62
21.76
5
125
5.563
141.3
XS 80/80S
0.375
9.53
20.78
30.93
5
125
5.563
141.3
120
0.5
12.7
27.04
40.24
5
125
5.563
141.3
160
0.625
15.88
32.96
49.05
5
125
5.563
141.3
XX
0.75
19.05
38.55
57.37
Nominal Pipe Size Inches
Nominal Pipe Size
OD Inches
OD mm
Schedule Designations ANSI/ASME
Wall Thickness Inch
Wall Thickness mm
Lbs/Ft
Kg/M
6
150
6.625
168.3
5/5S
0.109
2.77
7.585
11.29
6
150
6.625
168.3
10/10S
0.134
3.4
9.289
13.82
6
150
6.625
168.3
STD 40/40S
0.28
7.11
18.97
28.23
6
150
6.625
168.3
XS 80/80S
0.432
10.97
28.57
42.52
6
150
6.625
168.3
120
0.562
14.27
36.39
54.16
6
150
6.625
168.3
160
0.719
18.26
45.35
67.49
6
150
6.625
168.3
XX
0.864
21.95
53.16
79.12
8
200
8.625
219.1
5S
0.109
2.77
9.914
14.75
8
200
8.625
219.1
10/10S
0.148
3.76
13.6
19.94
8
200
8.625
219.1
20
0.25
6.35
22.36
33.28
8
200
8.625
219.1
30
0.277
7.04
24.7
36.76
8
200
8.625
219.1
STD/40/40S
0.322
8.18
28.55
42.49
8
200
8.625
219.1
60
0.406
10.31
35.64
53.04
8
200
8.625
219.1
XS/80/80S
0.5
12.7
43.39
64.58
8
200
8.625
219.1
100
0.594
15.09
50.95
75.83
8
200
8.625
219.1
120
0.719
18.26
60.71
90.35
8
200
8.625
219.1
140
0.812
20.62
67.76
100.84
8
200
8.625
219.1
XX
0.875
22.23
72.42
107.78
8
200
8.625
219.1
160
0.906
23.01
74.69
111.16
Nominal Pipe Size Inches
Nominal Pipe Size
OD Inches
OD mm
Schedule Designations ANSI/ASME
Wall Thickness Inch
Wall Thickness mm
Lbs/Ft
Kg/M
10
250
10.75
273.1
5S
0.134
3.4
15.19
22.61
10
250
10.75
273.1
10S
0.165
4.19
18.7
27.83
10
250
10.75
273.1
20
0.25
6.35
28.04
41.73
10
250
10.75
273.1
30
0.307
7.8
34.24
50.96
10
250
10.75
273.1
STD/40/40S
0.365
9.27
40.48
60.24
10
250
10.75
273.1
XS/60/80S
0.5
12.7
54.74
81.47
10
250
10.75
273.1
80
0.594
15.09
64.43
95.89
10
250
10.75
273.1
100
0.719
18.26
77.03
114.64
10
250
10.75
273.1
120
0.844
21.44
89.29
132.89
10
250
10.75
273.1
140/XX
1
25.4
104.13
154.97
10
250
10.75
273.1
160
1.125
28.58
115.64
172.1
12
300
12.75
323.9
5S
0.156
3.96
20.98
31.22
12
300
12.75
323.9
10S
0.18
4.57
24.2
36.02
12
300
12.75
323.9
20
0.25
6.35
33.38
49.68
12
300
12.75
323.9
30
0.33
8.38
43.77
65.14
12
300
12.75
323.9
STD/40S
0.375
9.53
49.56
73.76
12
300
12.75
323.9
40
0.406
10.31
53.52
79.65
12
300
12.75
323.9
XS/80S
0.5
12.7
65.42
97.36
12
300
12.75
323.9
60
0.562
14.27
73.15
108.87
12
300
12.75
323.9
80
0.688
17.48
88.63
131.9
12
300
12.75
323.9
100
0.844
21.44
107.32
159.72
12
300
12.75
323.9
120/XX
1
25.4
125.49
186.76
12
300
12.75
323.9
140
1.125
28.58
139.67
207.86
12
300
12.75
323.9
160
1.312
33.32
160.27
238.52
Nominal Pipe Size Inches
Nominal Pipe Size
OD Inches
OD mm
Schedule Designations ANSI/ASME
Wall Thickness Inch
Wall Thickness mm
Lbs/Ft
Kg/M
14
350
14
355.6
10S
0.188
4.78
27.73
41.27
14
350
14
355.6
10
0.25
6.35
36.71
54.63
14
350
14
355.6
20
0.312
7.92
45.61
67.88
14
350
14
355.6
STD/30/40S
0.375
9.53
54.57
81.21
14
350
14
355.6
40
0.438
11.13
63.44
94.41
14
350
14
355.6
XS/80S
0.5
12.7
72.09
107.29
14
350
14
355.6
60
0.594
15.09
85.05
126.58
14
350
14
355.6
80
0.75
19.05
106.13
157.95
14
350
14
355.6
100
0.938
23.83
130.85
194.74
14
350
14
355.6
120
1.094
27.79
150.9
224.58
14
350
14
355.6
140
1.25
31.75
170.21
253.32
14
350
14
355.6
160
1.406
35.71
189.1
281.43
16
400
16
406.4
10S
0.188
4.78
31.75
47.25
16
400
16
406.4
10
0.25
6.35
42.05
62.58
16
400
16
406.4
20
0.312
7.92
52.27
77.79
16
400
16
406.4
STD/30/40S
0.375
9.53
62.58
93.13
16
400
16
406.4
XS/40/80S
0.5
12.7
82.77
123.18
16
400
16
406.4
60
0.656
16.66
107.5
159.99
16
400
16
406.4
80
0.844
21.44
136.61
203.31
16
400
16
406.4
100
1.031
26.2
164.82
245.29
16
400
16
406.4
120
1.219
30.96
192.43
286.38
16
400
16
406.4
140
1.438
36.53
223.64
332.83
16
400
16
406.4
160
1.594
40.49
245.25
364.99
Nominal Pipe Size Inches
Nominal Pipe Size
OD Inches
OD mm
Schedule Designations ANSI/ASME
Wall Thickness Inch
Wall Thickness mm
Lbs/Ft
Kg/M
18
450
18
457.2
10S
0.188
4.78
35.76
53.22
18
450
18
457.2
10
0.25
6.35
47.39
70.53
18
450
18
457.2
20
0.312
7.92
58.94
87.72
18
450
18
457.2
STD/40S
0.375
9.53
70.59
105.06
18
450
18
457.2
30
0.438
11.13
82.15
122.26
18
450
18
457.2
XS/80S
0.5
12.7
93.45
139.08
18
450
18
457.2
40
0.562
14.27
104.67
155.78
18
450
18
457.2
60
0.75
19.05
138.17
205.63
18
450
18
457.2
80
0.938
23.83
170.92
254.37
18
450
18
457.2
100
1.156
29.36
207.96
309.5
18
450
18
457.2
120
1.375
34.93
244.14
363.34
18
450
18
457.2
140
1.562
39.67
274.22
408.11
18
450
18
457.2
160
1.781
45.24
308.5
459.13
20
500
20
508
10S
0.218
5.54
46.06
68.55
20
500
20
508
10
0.25
6.35
52.73
78.48
20
500
20
508
STD/20/40S
0.375
9.53
78.6
116.98
20
500
20
508
XS/30/80S
0.5
12.7
104.13
154.97
20
500
20
508
40
0.594
15.09
123.11
183.22
20
500
20
508
60
0.812
20.62
166.4
247.65
20
500
20
508
80
1.031
26.19
208.87
310.85
20
500
20
508
100
1.281
32.54
256.1
381.14
20
500
20
508
120
1.5
38.1
296.37
441.07
20
500
20
508
140
1.75
44.45
341.09
507.63
20
500
20
508
160
1.969
50.01
379.17
564.3
Nominal Pipe Size Inches
Nominal Pipe Size
OD Inches
OD mm
Schedule Designations ANSI/ASME
Wall Thickness Inch
Wall Thickness mm
Lbs/Ft
Kg/M
24
600
24
609.6
10/10S
0.25
6.35
63.41
94.37
24
600
24
609.6
STD/20/40S
0.375
9.53
94.62
140.82
24
600
24
609.6
XS/80S
0.5
12.7
125.49
186.76
24
600
24
609.6
30
0.562
14.27
140.68
209.37
24
600
24
609.6
40
0.688
17.48
171.29
254.92
24
600
24
609.6
60
0.969
24.61
238.35
354.72
24
600
24
609.6
80
1.219
30.96
296.58
441.39
24
600
24
609.6
100
1.531
38.89
367.39
546.77
24
600
24
609.6
120
1.812
46.02
429.39
639.04
24
600
24
609.6
140
2.062
52.37
483.1
718.97
24
600
24
609.6
160
2.344
59.54
542.13
806.83
30
750
30
762
10
0.312
7.92
98.93
147.23
30
750
30
762
STD/40S
0.375
9.53
118.65
176.58
30
750
30
762
XS/20/80S
0.5
12.7
157.53
234.44
30
750
30
762
30
0.625
15.88
196.08
291.82
36
900
36
914.4
10
0.312
7.92
118.92
176.98
36
900
36
914.4
STD/40S
0.375
9.53
142.68
212.34
36
900
36
914.4
XS/80S
0.5
12.7
189.57
282.13

Tags: Nominal Pipe Size, Nominal Bore, Pipe Dimension, DN, NB, NPS,