• Blue figures indicate wall thickness in inches.
  • Black figures indicate nominal inside diameter in inches.
  • The nominal inside diameter for size 26″ and up are based on a nominal outside diameter of the B16.47 Series A design.
Pipe SizeO.D.
in inches
510203040STD6080XH100
120
140
160
XXH
1/20.840.065
.710
.083
.674
.109
.622
.109
.622
.147
.546
.147
.546
.187
.466
.294
.252
3/41.050.065
.920
.083
.884
.113
.824
.113
.824
.154
.742
.154
.742
.218
.614
.308
.434
11.315.065
1.185
.109
1.097
.133
1.049
.133
1.049
.179
.957
.179
.957
.250
.815
.358
.599
1 1/41.660.065
1.530
.109
1.442
.140
1.380
.140
1.380
.191
1.278
.191
1.278
.250
1.160
.382
.896
1 1/21.900.065
1.770
.109
1.682
.145
1.610
.145
1.610
.200
1.500
.200
1.500
.281
1.338
.400
1.100
22.375.065
2.245
.109
2.157
.154
2.067
.154
2.067
.218
1.939
.218
1.939
.343
1.687
.436
1.503
2 1/22.875.083
2.709
.120
2.635
.203
2.469
.203
2.469
.276
2.323
.276
2.323
.375
2.125
.552
1.771
33.500.083
3.334
.120
3.260
.216
3.068
.216
3.068
.300
2.900
.300
2.900
.437
2.626
.600
2.300
3 1/24.083
3.834
.120
3.760
.226
3.548
.226
3.548
.318
3.364
.318
3.364
.636
2.728
44.5.083
4.334
.120
4.260
.237
4.026
.237
4.026
.281
3.938
.337
3.826
.337
3.826
.437
3.626
.531
3.438
.674
3.152
55.563.109
5.345
.134
5.295
.258
5.047
.258
5.047
.375
4.813
.375
4.813
.500
4.563
.625
4.313
.750
4.063
66.625.109
6.407
.134
6.357
.280
6.065
.280
6.065
.432
5.761
.432
5.761
.562
5.501
.718
5.189
.864
4.897
88.625.109
8.407
.148
8.329
.250
8.125
.277
8.071
.322
7.981
.322
7.981
.406
7.813
.500
7.625
.500
7.625
.593
7.439
.718
7.189
.812
7.001
.906
6.813
.875
6.875
1010.75.134
10.482
.165
10.420
.250
10.250
.307
10.136
.365
10.020
.365
10.020
.500
9.750
.593
9.562
.500
9.750
.718
9.314
.843
9.064
1.000
8.750
1.125
8.500
1212.75.156
12.420
.180
12.390
.250
12.250
.330
12.090
.406
11.938
.375
12.000
.562
11.626
.687
11.374
.500
11.750
.843
11.064
1.000
10.750
1.125
10.500
1.312
10.126
1414.0.250
13.500
.312
13.376
.375
13.250
.437
13.124
.375
13.250
.593
12.812
.750
12.500
.500
13.000
.937
12.126
1.093
11.814
1.250
11.500
1.406
11.188
1616.0.250
15.500
.312
15.376
.375
15.250
.500
15.000
.375
15.250
.656
14.688
.843
14.312
.500
15.000
1.031
13.938
1.218
13.564
1.437
13.126
1.593
12.814
1818.0.250
17.500
.312
17.376
.437
17.124
.562
16.876
.375
17.250
.750
16.500
.937
16.124
.500
17.000
1.156
15.688
1.375
15.250
1.562
14.876
1.781
14.438
2020.0.250
19.500
.375
19.250
.500
19.000
.593
18.812
.375
19.250
.812
18.376
1.031
17.938
.500
19.000
1.280
17.440
1.500
17.000
1.750
16.500
1.968
16.064
2222.0.250
21.500
.375
21.250
.500
21.000
.375
21.250
.875
20.250
1.125
19.750
.500
21.000
1.375
19.250
1.625
18.750
1.875
18.250
2.125
17.750
2424.0.250
23.500
.375
23.250
.562
22.876
.687
22.624
.375
23.250
.968
22.064
1.218
21.562
.500
23.000
1.531
20.938
1.812
20.376
2.062
19.876
2.343
19.314
2626.0.312
25.376
.500
25.000
.375
25.250
.500
25.000
2828.0.312
27.376
.500
27.000
.625
26.750
.375
27.250
.500
27.000
3030.0.312
29.376
.500
29.000
.625
28.750
.375
29.250
.500
29.000
3232.0.312
31.376
.500
31.000
.625
30.750
.688
30.624
.375
31.250
.500
31.000
3434.0.344
33.312
.500
33.000
.625
32.750
.688
32.624
.375
33.250
.500
33.000
3636.0.312
35.376
.500
35.000
.625
34.750
.750
34.500
.375
35.250
.500
35.000
4242.0.375
41.250
.500
41.000
4848.0.375
47.250
.500
47.000

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