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ASME/ANSI B36.10/19 - Carbon, Alloy and Stainless Steel Pipes - Dimensions

Pipe sizes, inside and outside diameters, wall thickness, schedules, moment of inertia, transverse area, weight of pipe filled with water - U.S. Customary Units.

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The steel pipe data chart below can be used to find pipe sizes, diameters, wall thickness, working pressures and more The chart is based on ASME/ANSI B 36.10 Welded and Seamless Wrought Steel Pipe and ASME/ANSI B36.19 Stainless Steel Pipe.

Regardless of schedule number, pipes of a particular size all have the same outside diameter (not withstanding manufacturing tolerances). As the schedule number increases, the wall thickness increases, and the actual bore is reduced. For example:

  • A 4 inches (100 mm) Schedule 40 pipe has an outside diameter of 4.500 inches (114.30 mm), a wall thickness of 0.237 inches (6.02 mm), giving a bore of 4.026 inches (102.26 mm)
  • A 4 inches (100 mm) Schedule 80 pipe has an outside diameter of 4.500 inches ( 114.30 mm), a wall thickness of 0.337 inches (8.56 mm), giving a bore of 3.826 inches (97.18 mm)

Outside Diameter, Identification, Wall Thickness, Inside Diameter

ASME/ANSI B36.10/19 - Carbon, Alloy and Stainless Steel Pipes - Dimensions
Pipe Size
(inches)
Outside Diameter
(inches)
IdentificationWall Thickness
- t -
(inches)
Inside Diameter
- d -

(inches)
SteelStainless Steel Schedule No.
Iron Pipe SizeSchedule No.
1/8 0.405 .
STD
XS
.
40
80
10S
40S
80S
0.049
0.068
0.095
0.307
0.269
0.215
1/4 0.540 .
STD
XS
.
40
80
10S
40S
80S
0.065
0.088
0.119
0.410
0.364
0.302
3/8 0.675 .
STD
XS
.
40
80
10S
40S
80S
0.065
0.091
0.126
0.545
0.493
0.423
1/2 0.840 .
.
STD
XS
.
XXS
.
.
40
80
160
.
5S
10S
40S
80S
.
.
0.065
0.083
0.109
0.147
0.187
0.294
0.710
0.674
0.622
0.546
0.466
0.252
3/4
1.050
.
.
STD
XS
.
XXS
.
.
40
80
160
.
5S
10S
40S
80S
.
.
0.065
0.083
0.113
0.154
0.219
0.308
0.920
0.884
0.824
0.742
0.612
0.434
1 1.315 .
.
STD
XS
.
XXS
.
.
40
80
160
.
5S
10S
40S
80S
.
.
0.065
0.109
0.133
0.179
0.250
0.358
1.185
1.097
1.049
0.957
0.815
0.599
1 1/4 1.660 .
.
STD
XS
.
XXS
.
.
40
80
160
.
5S
10S
40S
80S
.
.
0.065
0.109
0.140
0.191
0.250
0.382
1.530
1.442
1.380
1.278
1.160
0.896
1 1/2 1.900 .
.
STD
XS
.
XXS
.
.
40
80
160
.
5S
10S
40S
80S
.
.
0.065
0.109
0.145
0.200
0.281
0.400
1.770
1.682
1.610
1.500
1.338
1.100
2 2.375 .
.
STD
XS
.
XXS
.
.
40
80
160
.
5S
10S
40S
80S
.
.
0.065
0.109
0.154
0.218
0.344
0.436
2.245
2.157
2.067
1.939
1.687
1.503
2 1/2 2.875 .
.
STD
XS
.
XXS
.
.
40
80
160
.
5S
10S
40S
80S
.
.
0.083
0.120
0.203
0.276
0.375
0.552
2.709
2.635
2.469
2.323
2.125
1.771
3 3.500 .
.
STD
XS
.
XXS
.
.
40
80
160
.
5S
10S
40S
80S
.
.
0.083
0.120
0.216
0.300
0.438
0.600
3.334
3.260
3.068
2.900
2.624
2.300
3 1/2 4.000 .
.
STD
XS
.
.
40
80
5S
10S
40S
80S
0.083
0.120
0.226
0.318
3.834
3.760
3.548
3.364
4 4.500 .
.
STD
XS
.
.
XXS
.
.
40
80
120
160
.
5S
10S
40S
80S
.
.
.
0.083
0.120
0.237
0.337
0.438
0.531
0.674
4.334
4.260
4.026
3.826
3.624
3.438
3.152
5 5.563 .
.
STD
XS
.
.
XXS
.
.
40
80
120
160
.
5S
10S
40S
80S
.
.
.
0.109
0.134
0.258
0.375
0.500
0.625
0.750
5.345
5.295
5.047
4.813
4.563
4.313
4.063
6 6.625 .
.
STD
XS
.
.
XXS
.
.
40
80
120
160
.
5S
10S
40S
80S
.
.
.
0.109
0.134
0.280
0.432
0.562
0.718
0.864
6.407
6.357
6.065
5.761
5.501
5.189
4.897
8 8.625 .
.
.
.
STD
.
XS
.
.
.
XXS
.
.
.
20
30
40
60
80
100
120
140
.
160
5S
10S
.
.
40S
.
80S
.
.
.
.
.
0.109
0.148
0.250
0.277
0.322
0.406
0.500
0.594
0.719
0.812
0.875
0.906
8.407
8.329
8.125
8.071
7.981
7.813
7.625
7.437
7.187
7.001
6.875
6.813
10 10.750 .
.
.
.
STD
XS
.
.
.
.
.
.
.
20
30
40
60
80
100
120
140
160
5S
10S
.
.
40S
80S
.
.
.
.
.
0.134
0.165
0.250
0.307
0.365
0.500
0.594
0.719
0.844
1.000
1.125
10.482
10.420
10.250
10.136
10.020
9.750
9.562
9.312
9.062
8.750
8.500
12 12.75 .
.
.
.
STD
.
XS
.
.
.
.
.
.
.
.
20
30
.
40
.
60
80
100
120
140
160
5S
10S
.
.
40S
.
80S
.
.
.
.
.
.
0.156
0.180
0.25
0.330
0.375
0.406
0.500
0.562
0.688
0.844
1.000
1.125
1.312
12.438
12.390
12.250
12.090
12.000
11.938
11.750
11.626
11.374
11.062
10.750
10.500
10.126
14 14.00 .
.
.
.
STD
.
XS
.
.
.
.
.
..
.
.
10
20
30
40
.
60
80
100
120
140
160
5S
10S
.
.
.
.
.
.
.
.
.
.
.
0.156
0.188
0.250
0.312
0.375
0.438
0.500
0.594
0.750
0.938
1.094
1.250
1.406
13.688
13.624
13.500
13.376
13.250
13.124
13.000
12.812
12.500
12.124
11.812
11.500
11.188
16 16.00 .
.
.
.
STD
XS
.
.
.
.
.
.
.
.
10
20
30
40
60
80
100
120
140
160
5S
10S
.
.
.
.
.
.
.
.
.
.
0.165
0.188
0.250
0.312
0.375
0.500
0.656
0.844
1.031
1.219
1.438
1.594
15.670
15.624
15.500
15.376
15.250
15.000
14.688
14.312
13.938
13.562
13.124
12.812
18 18.00 .
.
.
.
STD
.
XS
.
.
.
.
.
.
.
.
.
10
20
.
30
.
40
60
80
100
120
140
160
5S
10S
.
.
.
.
.
.
.
.
.
.
.
.
0.165
0.188
0.250
0.312
0.375
0.438
0.500
0.562
0.750
0.938
1.156
1.375
1.562
1.781
17.670
17.624
17.500
17.376
17.250
17.124
17.000
16.876
16.500
16.124
15.688
15.250
14.876
14.438
  • 1 in (inch) = 25.4 mm

Area of Metal, Transverse Internal Area, Moment of Inertia, Weight Pipe, Weight Water, External Surface, Elastic Section Modulus

For full table with External Surface and Elastic Section Modulus - rotate the screen!

ASME/ANSI B36.10/19 - Carbon, Alloy and Stainless Steel Pipes - Properties
Pipe Size
(inches)
Area of Metal
(square inches)
Transverse Internal AreaArea Moment of Inertia
- l -

(inches4)
Weight Pipe
(pounds per foot)
Weight
Water
(pounds per foot)
External Surface
(square feet per foot of pipe)
Elastic Section Modulus
- S -
(in3)
- a -
(square inches)
- A -
(square feet)
1/8 0.0548
0.0720
0.0925
0.0740
0.0568
0.0364
0.00051
0.00040
0.00025
0.00088
0.00106
0.00122
0.19
0.24
0.31
0.032
0.025
0.016
0.106
0.106
0.106
0.00437
0.00523
0.00602
1/4 0.0970
0.1250
0.1574
0.1320
0.1041
0.0716
0.00091
0.00072
0.00050
0.00279
0.00331
0.00377
0.33
0.42
0.54
0.057
0.045
0.031
0.141
0.141
0.141
0.01032
0.01227
0.01395
3/8 0.1246
0.1670
0.2173
0.2333
0.1910
0.1405
0.00162
0.00133
0.00098
0.00586
0.00729
0.00862
0.42
0.57
0.74
0.101
0.083
0.061
0.178
0.178
0.178
0.01736
0.02160
0.02554
1/2 0.1583
0.1974
0.2503
0.3200
0.3836
0.5043
0.3959
0.3568
0.3040
0.2340
0.1706
0.050
0.00275
0.00248
0.00211
0.00163
0.00118
0.00035
0.01197
0.01431
0.01709
0.02008
0.02212
0.02424
0.54
0.67
0.85
1.09
1.31
1.71
0.172
0.155
0.132
0.102
0.074
0.022
0.220
0.220
220
0.220
220
0.220
0.02849
0.03407
0.04069
0.04780
0.05267
0.05772
3/4 0.2011
0.2521
0.3326
0.4335
0.5698
0.7180
0.6648
0.6138
0.5330
0.4330
0.2961
0.148
0.00462
0.00426
0.00371
0.00300
0.00206
0.00103
0.02450
0.02969
0.03704
0.04479
0.05269
0.05792
0.69
0.86
1.13
1.47
1.94
2.44
0.288
0.266
0.231
0.188
0.128
0.064
0.275
0.275
0.275
0.275
0.275
0.275
0.04667
0.05655
0.07055
0.08531
0.10036
0.11032
1 0.2553
0.4130
0.4939
0.6388
0.8365
1.0760
1.1029
0.9452
0.8640
0.7190
0.5217
0.282
0.00766
0.00656
0.00600
0.00499
0.00362
0.00196
0.04999
0.07569
0.08734
0.1056
0.1251
0.1405
0.87
1.40
1.68
2.17
2.84
3.66
0.478
0.409
0.375
0.312
0.230
0.122
0.344
0.344
0.344
0.344
0.344
0.344
0.07603
0.11512
0.1328
0.1606
0.1903
0.2136
1 1/4 0.3257
0.4717
0.6685
0.8815
1.1070
1.534
1.839
1.633
1.495
1.283
1.057
0.630
0.01277
0.01134
0.01040
0.00891
0.00734
0.00438
0.1038
0.1605
0.1947
0.2418
0.2839
0.3411
1.11
1.81
2.27
3.00
3.76
5.21
0.797
0.708
0.649
0.555
0.458
0.273
0.435
0.435
0.435
0.435
0.435
0.435
0.1250
0.1934
0.2346
0.2913
0.3421
0.4110
1 1/2 0.3747
0.6133
0.7995
1.068
1.429
1.885
2.461
2.222
2.036
1.767
1.406
0.950
0.01709
0.01543
0.01414
0.01225
0.00976
0.00660
0.1579
0.2468
0.3099
0.3912
0.4824
0.5678
1.28
2.09
2.72
3.63
4.86
6.41
1.066
0.963
0.882
0.765
0.608
0.42
0.497
0.497
0.497
0.497
0.497
0.497
0.1662
0.2598
0.3262
0.4118
0.5078
0.5977
2 0.4717
0.7760
1.075
1.477
2.190
2.656
3.958
3.654
3.355
2.953
2.241
1.774
0.02749
0.02538
0.02330
0.02050
0.01556
0.01232
0.3149
0.4992
0.6657
0.8679
1.162
1.311
1.61
2.64
3.65
5.02
7.46
9.03
1.72
1.58
1.45
1.28
0.97
0.77
0.622
0.622
0.622
0.622
0.622
0.622
0.2652
0.4204
0.5606
0.7309
0.979
1.104
2 1/2 0.7280
1.039
1.704
2.254
2.945
4.028
5.764
5.453
4.788
4.238
3.546
2.464
0.04002
0.03787
0.03322
0.02942
0.02463
0.01710
0.7100
0.9873
1.530
1.924
2.353
2.871
2.48
3.53
5.79
7.66
10.01
13.69
2.50
2.36
2.07
1.87
1.54
1.07
0.753
0.753
0.753
0.753
0.753
0.753
0.4939
0.6868
1.064
1.339
1.638
1.997
3 0.8910
1.274
2.228
3.016
4.205
5.466
8.730
8.347
7.393
6.605
5.408
4.155
0.06063
0.05796
0.05130
0.04587
0.03755
0.02885
1.301
1.822
3.017
3.894
5.032
5.993
3.03
4.33
7.58
10.25
14.32
18.58
3.78
3.62
3.20
2.6
2.35
1.80
0.916
0.916
0.916
0.916
0.916
0.916
0.7435
1.041
1.724
2.225
2.876
3.424
3 1/2 1.021
1.463
2.680
3.678
11.545
11.104
9.886
8.888
0.08017
0.07711
0.06870
0.06170
1.960
2.755
4.788
6.280
3.48
4.97
9.11
12.50
5.00
4.81
4.29
3.84
1.047
1.047
1.047
1.047
0.9799
1.378
2.394
3.140
4 1.152
1.651
3.174
4.407
5.595
6.621
8.101
14.75
14.25
12.73
11.50
10.31
9.28
7.80
0.10245
0.09898
0.08840
0.07986
0.0716
0.0645
0.0542
2.810
3.963
7.233
9.610
11.65
13.27
15.28
3.92
5.61
10.79
14.98
19.0
22.51
27.54
6.39
6.18
5.50
4.98
4.47
4.02
3.38
1.178
1.178
1.178
1.178
1.178
1.178
1.178
1.249
1.761
3.214
4.271
5.178
5.898
6.791
5 1.868
2.285
4.300
6.112
7.953
9.696
11.340
22.44
22.02
20.01
18.19
16.35
14.61
12.97
0.1558
0.1529
0.1390
0.1263
0.1136
0.1015
0.0901
6.947
8.425
15.16
20.67
25.73
30.03
33.63
6.36
7.77
14.62
20.78
27.04
32.96
38.55
9.72
9.54
8.67
7.88
7.09
6.33
5.61
1.456
1.456
1.456
1.456
1.456
1.456
1.456
2.498
3.029
5.451
7.431
9.250
10.796
12.090
6 2.231
2.733
5.581
8.405
10.70
13.32
15.64
32.24
31.74
28.89
26.07
23.77
21.15
18.84
0.2239
0.2204
0.2006
0.1810
0.1650
0.1469
0.1308
11.85
14.40
28.14
40.49
49.61
58.97
66.33
7.60
9.29
18.97
28.57
36.39
45.35
53.16
13.97
13.75
12.51
11.29
10.30
9.16
8.16
1.734
1.734
1.734
1.734
1.734
1.734
1.734
3.576
4.346
8.496
12.22
14.98
17.81
20.02
8 2.916
3.941
6.57
7.26
8.40
10.48
12.76
14.96
17.84
19.93
21.30
21.97
55.51
54.48
51.85
51.16
50.03
47.94
45.66
43.46
40.59
38.50
37.12
36.46
0.3855
0.3784
0.3601
0.3553
0.3474
0.3329
0.3171
0.3018
0.2819
0.2673
0.2578
0.2532
26.44
35.41
57.72
63.35
72.49
88.73
105.7
121.3
140.5
153.7
162.0
165.9
9.93
13.40
22.36
24.70
28.55
35.64
43.39
50.95
60.71
67.76
72.42
74.69
24.06
23.61
22.47
22.17
21.70
20.77
19.78
18.83
17.59
16.68
16.10
15.80
2.258
2.258
2.258
2.258
2.258
2.258
2.258
2.258
2.258
2.258
2.258
2.258
6.131
8.212
13.39
14.69
16.81
20.58
24.51
28.14
32.58
35.65
37.56
38.48
10 4.36
5.49
8.24
10.07
11.90
16.10
18.92
22.63
26.24
30.63
34.02
86.29
85.28
82.52
80.69
78.86
74.66
71.84
68.13
64.53
60.13
56.75
0.5992
0.5922
0.5731
0.5603
0.5475
0.5185
0.4989
0.4732
0.4481
0.4176
0.3941
63.0
76.9
113.7
137.4
160.7
212.0
244.8
286.1
324.2
367.8
399.3
15.19
18.65
28.04
34.24
40.48
54.74
64.43
77.03
89.29
104.13
115.64
37.39
36.95
35.76
34.96
34.20
32.35
31.13
29.53
27.96
26.06
24.59
2.814
2.814
2.814
2.814
2.814
2.814
2.814
2.814
2.814
2.814
2.814
11.71
14.30
21.15
25.57
29.90
39.43
45.54
53.22
60.32
68.43
74.29
12 6.17
7.11
9.82
12.87
14.58
15.77
19.24
21.52
26.03
31.53
36.91
41.08
47.14
121.50
120.57
117.86
114.80
113.10
111.93
108.43
106.16
101.64
96.14
90.76
86.59
80.53
0.8438
0.8373
0.8185
0.7972
0.7854
0.7773
0.7528
0.7372
0.7058
0.6677
0.6303
0.6013
0.5592
122.4
140.4
191.8
248.4
279.3
300.3
361.5
400.4
475.1
561.6
641.6
700.5
781.1
20.98
24.17
33.38
43.77
49.56
53.52
65.42
73.15
88.63
107.32
125.49
139.67
160.27
52.65
52.25
51.07
49.74
49.00
48.50
46.92
46.00
44.04
41.66
39.33
37.52
34.89
3.338
3.338
3.338
3.338
3.338
3.338
3.338
3.338
3.338
3.338
3.338
3.338
3.338
19.2
22.0
30.2
39.0
43.8
47.1
56.7
62.8
74.6
88.1
100.7
109.9
122.6
14 6.78
8.16
10.80
13.42
16.05
18.66
21.21
24.98
31.22
38.45
44.32
50.07
55.63
147.15
145.78
143.14
140.52
137.88
135.28
132.73
128.96
122.72
115.49
109.62
103.87
98.31
1.0219
1.0124
0.9940
0.9758
0.9575
0.9394
0.9217
0.8956
0.8522
0.8020
0.7612
0.7213
0.6827
162.6
194.6
255.3
314.4
372.8
429.1
483.8
562.3
678.3
824.4
929.6
1027.0
1117.0
23.07
27.73
36.71
45.61
54.57
63.44
72.09
85.05
106.13
130.85
150.79
170.28
189.11
63.77
63.17
62.03
60.89
59.75
58.64
57.46
55.86
53.18
50.04
47.45
45.01
42.60
3.665
3.665
3.665
3.665
3.665
3.665
3.665
3.665
3.665
3.665
3.665
3.665
3.665
23.2
27.8
36.6
45.0
53.2
61.3
69.1
80.3
98.2
117.8
132.8
146.8
159.6
16 8.21
9.34
12.37
15.38
18.41
24.35
31.62
40.14
48.48
56.56
65.78
72.10
192.85
191.72
188.69
185.69
182.65
176.72
169.44
160.92
152.58
144.50
135.28
128.96
1.3393
1.3314
1.3103
1.2895
1.2684
1.2272
1.1766
1.175
1.0596
1.0035
0.9394
0.8956
257.3
291.9
383.7
473.2
562.1
731.9
932.4
1155.8
1364.5
1555.8
1760.3
1893.5
27.90
31.75
42.05
52.27
62.58
82.77
107.50
136.61
164.82
192.43
223.64
245.25
83.57
83.08
81.74
80.50
79.12
76.58
73.42
69.73
66.12
62.62
58.64
55.83
4.189
4.189
4.189
4.189
4.189
4.189
4.189
4.189
4.189
4.189
4.189
4.189
32.2
36.5
48.0
59.2
70.3
91.5
116.6
144.5
170.5
194.5
220.0
236.7
18 9.25
10.52
13.94
17.34
20.76
24.17
27.49
30.79
40.64
50.23
61.17
71.81
80.66
90.75
245.22
243.95
240.53
237.13
233.71
230.30
226.98
223.68
213.83
204.24
193.30
182.66
173.80
163.72
1.7029
1.6941
1.6703
1.6467
1.6230
1.5990
1.5763
1.5533
1.4849
1.4183
1.3423
1.2684
1.2070
1.1369
367.6
417.3
549.1
678.2
806.7
930.3
1053.2
1171.5
1514.7
1833.0
2180.0
2498.1
2749.0
3020.0
31.43
35.76
47.39
58.94
70.59
82.15
93.45
104.67
138.17
170.92
207.96
244.14
274.22
308.50
106.26
105.71
104.21
102.77
101.18
99.84
98.27
96.93
92.57
88.50
83.76
79.07
75.32
70.88
4.712
4.712
4.712
4.712
4.712
4.712
4.712
4.712
4.712
4.712
4.712
4.712
4.712
4.712
40.8
46.4
61.1
75.5
89.6
103.4
117.0
130.1
168.3
203.8
242.3
277.6
305.5
335.6
  • 1 lbm = 0.4536 kg
  • 1 ft (foot) = 0.3048 m
  • 1 ft2 = 0.0929 m2
  • 1 in2 = 645.2 mm2 = 6.452 cm2 = 6.452x10-4 m2
  • 1 cm4 = 10-8 m = 104 mm
  • 1 in4 = 4.16x105 mm4 = 41.6 cm4
  • 1 in3 = 0.000016387 m3 = 16.38 cm3 = 5.78 10-4 ft3

STD, XS and XXS

To distinguish different weights of pipe, three long standing traditional designations are used:

  • standard wall - STD
  • extra strong wall - XS
  • double extra strong wall - XXS

The last two designations are sometimes referred to as extra heavy wall (XH), and double extra heavy wall (XXH).

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Related Topics

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