Pipe Dimenstion Chart
Nominal Pipe Size Inches
Nominal Pipe Size mm
OD Inches
OD mm
Schedule
Designations
ANSI /ASME
Wall
Thickness Inches
Wall Thickness mm
Lbs/Ft
Kg/M
1/8
6
0.405
10.30
10/10S
0.049
1.24
0.1863
0.28
1/8
6
0.405
10.30
STD /40/40S
0.068
1.73
0.2447
0.36
1/8
6
0.405
10.30
XS/80/80S
0.095
2.41
0.3145
0.47
1/4
8
0.540
13.70
10/10S
0.065
1.65
0.3297
0.49
1/4
8
0.540
13.70
STD /40/40S
0.088
2.24
0.4248
0.63
1/4
8
0.540
13.70
XS/80/80S
0.119
3.02
0.5351
0.80
3/8
10
0.675
17.10
10/10S
0.065
1.65
0.4235
0.63
3/8
10
0.675
17.10
STD 40/40S
0.091
2.31
0.5676
0.84
3/8
10
0.675
17.10
XS 80/80S
0.126
3.20
0.7388
1.10
1/2
15
0.840
21.30
5/5S
0.065
1.65
0.5383
0.80
1/2
15
0.840
21.30
10/10S
0.083
2.11
0.671
1.00
1/2
15
0.840
21.30
STD 40/40S
0.109
2.77
0.851
1.27
1/2
15
0.840
21.30
XS 80/80S
0.147
3.73
1.088
1.62
1/2
15
0.840
21.30
160
0.188
4.78
1.309
1.95
1/2
15
0.840
21.30
XX
0.294
7.47
1.714
2.55
Nominal Pipe Size Inches

Nominal Pipe Size mm

OD Inches
OD mm
Schedule
Designations
ANSI /ASME
Wall
Thickness Inches
Wall Thickness mm
Lbs/Ft
Kg/M
3/4
20
1.050
26.7
5/5S
0.065
1.65
0.6838
1.02
3/4
20
1.050
26.7
10/10S
0.083
2.11
0.8572
1.28
3/4
20
1.050
26.7
STD /40/40S
0.113
2.87
1.131
1.68
3/4
20
1.050
26.7
XS/80/80S
0.154
3.91
1.474
2.19
3/4
20
1.050
26.7
160
0.219
5.56
1.944
2.89
3/4
20
1.050
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
2.50
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 mm
OD Inches
OD mm
Schedule Designations ANSI /ASME
Wall
Thickness Inches
Wall Thickness mm
Lbs/Ft
Kg/M
1-1/4
32
1.6600
42.2
5/5S
0.065
1.65
1.107
1.65
1-1/4
32
1.660
42.2
10/10S
0.109
2.77
1.806
2.69
1-1/4
32
1.660
42.2
STD /40/40S
0.140
3.56
2.273
3.38
1-1/4
32
1.660
42.2
XS/80/80S
0.191
4.85
2.997
4.46
1-1/4
32
1.660
42.2
160
0.250
6.35
3.765
5.60
1-1/4
32
1.660
42.2
XX
0.382
9.70
5.214
7.76
1-1/2
40
1.900
48.3
5/5S
0.065
1.65
1.274
1.90
1-1/2
40
1.900
48.3
10/10S
0.109
2.77
2.085
3.10
1-1/2
40
1.900
48.3
STD /40/40S
0.145
3.68
2.718
4.05
1-1/2
40
1.900
48.3
XS/80/80S
0.200
5.08
3.631
5.40
1-1/2
40
1.900
48.3
160
0.281
7.14
4.859
7.23
1-1/2
40
1.900
48.3
XX
0.400
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
mm
OD Inches
OD mm
Schedule
Designations
ANSI /ASME
Wall
Thickness Inches
Wall Thickness mm
Lbs/Ft
Kg/M
2-1/2
65
2.875
73
5/5S
0.083
2.11
2.475
3.68
2-1/2
65
2.875
73
10/10S
0.120
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
3.500
88.9
5/5S
0.083
2.11
3.029
4.51
3
80
3.500
88.9
10/10S
0.120
3.05
4.332
6.45
3
80
3.500
88.9
STD /40/40S
0.216
5.49
7.576
11.27
3
80
3.500
88.9
XS/80/80S
0.300
7.62
10.25
15.25
3
80
3.500
88.9
160
0.438
11.13
14.32
21.31
3
80
3.500
88.9
XX
0.600
15.24
18.58
27.65
3-1/2
90
4.000
101.6
5/5S
0.083
2.11
3.472
5.17
3-1/2
90
4.000
101.6
10/10S
0.120
3.05
4.973
7.40
3-1/2
90
4.000
101.6
STD 40/40S
0.226
5.74
9.109
13.56
3-1/2
90
4.000
101.6
XS 80/80S
0.318
8.08
12.500
18.6
3-1/2
90
4.000
101.6
XX
0.636
16.15
22.850
34.01
Nominal Pipe Size Inches
Nominal Pipe Size mm
OD Inches
OD mm
Schedule
Designations
ANSI /ASME
Wall
Thickness Inches
Wall Thickness mm
Lbs/Ft
Kg/M
4
100
4.500
114.3
5/5S
0.083
2.11
3.915
5.83
4
100
4.500
114.3
10/10S
0.120
3.05
5.613
8.35
4
100
4.500
114.3
STD 40/40S
0.237
6.02
10.790
16.06
4
100
4.500
114.3
XS 80/80S
0.337
8.56
14.980
22.29
4
100
4.500
114.3
120
0.438
11.13
19.000
28.28
4
100
4.500
114.3
160
0.531
13.49
22.510
33.50
4
100
4.500
114.3
XX
0.674
17.12
27.540
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
3.40
7.770
11.56
5
125
5.563
141.3
STD 40/40S
0.258
6.55
14.620
21.76
5
125
5.563
141.3
XS 80/80S
0.375
9.53
20.780
30.93
5
125
5.563
141.3
120
0.500
12.70
27.040
40.24
5
125
5.563
141.3
160
0.625
15.88
32.960
49.05
5
125
5.563
141.3
XX
0.750
19.05
38.550
57.37
Nominal Pipe Size Inches
Nominal Pipe Size mm
OD Inches
OD mm
Schedule
Designations
ANSI /ASME
Wall
Thickness Inches
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
3.40
9.289
13.82
6
150
6.625
168.3
STD 40/40S
0.280
7.11
18.970
28.23
6
150
6.625
168.3
XS 80/80S
0.432
10.97
28.570
42.52
6
150
6.625
168.3
120
0.562
14.27
36.390
54.16
6
150
6.625
168.3
160
0.719
18.26
45.350
67.49
6
150
6.625
168.3
XX
0.864
21.95
53.160
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
13.600
19.94
8
200
8.625
219.1
20
0.250
6.35
22.360
33.28
8
200
8.625
219.1
30
0.277
7.04
24.700
36.76
8
200
8.625
219.1
STD /40/40S
0.322
8.18
28.550
42.49
8
200
8.625
219.1
60
0.406
10.31
35.640
53.04
8
200
8.625
219.1
XS/80/80S
0.500
12.70
43.390
64.58
8
200
8.625
219.1
100
0.594
15.09
50.950
75.83
8
200
8.625
219.1
120
0.719
18.26
60.710
90.35
8
200
8.625
219.1
140
0.812
20.62
67.760
100.84
8
200
8.625
219.1
XX
0.875
22.23
72.420
107.78
8
200
8.625
219.1
160
0.906
23.01
74.690
111.16
Nominal Pipe Size Inches
Nominal Pipe Size mm
OD Inches
OD mm
Schedule
Designations
ANSI /ASME
Wall
Thickness Inches
Wall Thickness mm
Lbs/Ft
Kg/M
10
250
10.75
273.1
5S
0.134
3.40
15.190
22.61
10
250
10.75
273.1
10S
0.165
4.19
18.700
27.83
10
250
10.75
273.1
20
0.250
6.35
28.040
41.73
10
250
10.75
273.1
30
0.307
7.80
34.240
50.96
10
250
10.75
273.1
STD /40/40S
0.365
9.27
40.480
60.24
10
250
10.75
273.1
XS/60/80S
0.500
12.70
54.740
81.47
10
250
10.75
273.1
80
0.594
15.09
64.430
95.89
10
250
10.75
273.1
100
0.719
18.26
77.030
114.64
10
250
10.75
273.1
120
0.844
21.44
89.290
132.89
10
250
10.75
273.1
140/XX
1.000
25.40
104.130
154.97
10
250
10.75
273.1
160
1.125
28.58
115.640
172.10
12
300
12.75
323.9
5S
0.156
3.96
20.980
31.22
12
300
12.75
323.9
10S
0.180
4.57
24.200
36.02
12
300
12.75
323.9
20
0.250
6.35
33.380
49.68
12
300
12.75
323.9
30
0.330
8.38
43.770
65.14
12
300
12.75
323.9
STD /40S
0.375
9.53
49.560
73.76
12
300
12.75
323.9
40
0.406
10.31
53.520
79.65
12
300
12.75
323.9
XS/80S
0.500
12.70
65.420
97.36
12
300
12.75
323.9
60
0.562
14.27
73.150
108.87
12
300
12.75
323.9
80
0.688
17.48
88.630
131.90
12
300
12.75
323.9
100
0.844
21.44
107.320
159.72
12
300
12.75
323.9
120/XX
1.000
25.40
125.490
186.76
12

300

12.75
323.9
140
1.125
28.58
139.670
207.86
12

300

12.75
323.9
160
1.312
33.32
160.270

238.52

Nominal Pipe Size Inches
Nominal Pipe Size mm
OD Inches
OD mm
Schedule
Designations
ANSI /ASME
Wall
Thickness Inches
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
0.250
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
0.500
12.70
72.09
107.29
14
350
14
355.6
60
0.594
15.09
85.05
126.58
14
350
14
355.6
80
0.750
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
150.90
224.58
14
350
14
355.6
140
1.250
31.75
170.21
253.32
14
350
14
355.6
160
1.406
35.71
189.10
281.43
16
400
16
406.4
10S
0.188
4.78
31.75
47.25
16
400
16
406.4
10
0.250
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
0.500
12.70
82.77
123.18
16
400
16
406.4
60
0.656
16.66
107.50
159.99
16
400
16
406.4
80
0.844
21.44
136.61
203.31
16
400
16
406.4
100
1.031
26.20
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
mm
OD Inches
OD mm
Schedule
Designations
ANSI /ASME
Wall
Thickness Inches
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
0.250
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
0.500
12.70
93.45
139.08
18
450
18
457.2
40
0.562
14.27
104.67
155.78
18
450
18
457.2
60
0.750
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
309.50
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
0.250
6.35
52.73
78.48
20
500
20
508
STD /20/40S
0.375
9.53
78.60
116.98
20
500
20
508
XS/30/80S
0.500
12.70
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
166.40
247.65
20
500
20
508
80
1.031
26.19
208.87
310.85
20
500
20
508
100
1.281
32.54
256.10
381.14
20
500
20
508
120
1.500
38.10
296.37
441.07
20
500
20
508
140
1.750
44.45
341.09
507.63
20
500
20
508
160
1.969
50.01
379.17
564.30
Nominal Pipe Size Inches
Nominal Pipe Size
mm
OD Inches
OD mm
Schedule
Designations
ANSI /ASME
Wall
Thickness Inches
Wall Thickness mm
Lbs/Ft
Kg/M
24
600
24
609.6
10/10S
0.250
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
0.500
12.70
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
483.10
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
0.500
12.70
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
0.500
12.70
189.57
282.13
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