Sizes for Wrought Steel Pipe

Wrought Steel Pipe Data


Nominal Pipe
Size
Outside
Diameter
Thickness
Inside Diameter

Inches

Inches Inches

d
Inches

Schedule
10

14
16
18
20
24
30
14
16
18
20
24
30
0.250
0.250
0.250
0.250
0.250
0.312
13.5
15.5
17.5
19.5
23.5
29.376





Schedule
20





8
10
12
14
8.625
10.75
12.75
14
0.250
0.250
0.250
0.312
8.125
10.25
12.25
13.376
16
18
20
24
30
16
18
20
24
30
0.312
0.312
0.375
0.375
0.500
15.376
17.376
19.250
23.25
29.00

Schedule
30

8
10
12
14
8.625
10.75
12.75
14
0.277
0.307
0.330
0.375
8.071
10.136
12.09
13.25
16
18
20
24
30
16
18
20
24
30
0.375
0.438
0.500
0.562
0.625
15.25
17.124
19.00
22.876
28.75


Schedule

40

1/8
1/4
3/8
0.405
0.540
0.675
0.068
0.088
0.091
0.269
0.364
0.493
1/2
3/4
1
1 1/4
0.840
1.050
1.315
1.660
0.109
0.113
0.133
0.140
0.622
0.824
1.049
1.380
1 1/2
2
2 1/2
3
1.900
2.375
2.875
3.500
0.145
0.154
0.203
0.216
1.610
2.067
2.469
3.068
3 1/2
4
5
6
4.000
4.500
5.563
6.625
0.226
0.237
0.258
0.280
3.548
4.026
5.047
6.065
8
10
12
14
8.625
10.75
12.75
14.0
0.322
0.365
0.406
0.438
7.981
10.02
11.938
13.124
16
18
20
24
16.0
18.0
20.0
24.0
0.500
0.562
0.593
0.687
15.000
16.876
18.814
22.626

Schedule
60

8
10
12
14
8.625
10.75
12.75
14.0
0.406
0.500
0.562
0.593
7.813
9.750
11.626
12.814
16
18
20
24
16.0
18.0
20.0
24.0
0.656
0.750
0.812
0.968
14.688
16.500
18.376
22.064

Schedule
80

1/8
1/4
3/8
0.405
0.540
0.675
0.095
0.119
0.126
0.215
0.302
0.423
1/2
3/4
1
1 1/4
0.840
1.050
1.315
1.660
0.147
0.154
0.179
0.191
0.546
0.742
0.957
1.278
1 1/2
2
2 1/2
3
1.900
2.375
2.875
3.5
0.200
0.218
0.276
0.300
1.500
1.939
2.323
2.900
3 1/2
4
5
6
4.0
4.5
5.563
6.625
0.318
0.337
0.375
0.432
3.364
3.826
4.813
5.761
8
10
12
14
8.625
10.75
12.75
14.0
0.500
0.593
0.687
0.750
7.625
9.564
11.376
12.500
16
18
20
24
16.0
18.0
20.0
24.0
0.843
0.937
1.031
1.218
14.314
16.126
17.938
21.564

Schedule
100

8
10
12
14
8.625
10.75
12.75
14.0
0.593
0.718
0.834
0.937
7.439
9.314
11.064
12.126
16
18
20
24
16.0
18.0
20.0
24.0
1.031
1.156
1.281
1.531
13.938
15.688
17.438
20.938

Schedule
120

4
5
6
4.50
5.563
6.625
0.438
0.500
0.562
3.624
4.563
5.501
8
10
12
14
8.625
10.75
12.75
14.0
0.718
0.843
1.000
1.093
7.189
9.064
10.750
11.814
16
18
20
24
16.0
18.0
20.0
24.0
1.218
1.375
1.500
1.812
13.564
15.250
17.000
20.376

Schedule
140

8
10
12
14
8.625
10.75
12.75
14.0
0.812
1.000
1.125
1.250
7.001
8.750
10.500
11.500
16
18
20
24
16.0
18.0
20.0
24.0
1.438
1.562
1.750
2.062
13.124
14.876
16.5
19.876

Schedule
160

1/2
3/4
1
1 1/4
0.840
1.050
1.315
1.660
0.187
0.218
0.250
0.250
0.466
0.614
0.815
1.160
1 1/2
2
2 1/2
3
1.900
2.375
2.875
3.50
0.281
0.343
0.375
0.438
1.338
1.689
2.125
2.624
4
5
6
4.50
5.563
6.625
0.531
0.625
0.718
3.438
4.313
5.189
8
10
12
14
8.625
10.75
12.75
14.0
0.906
1.125
1.312
1.406
6.813
8.500
10.126
11.188
16
18
20
24
16.0
18.0
20.0
24.0
1.593
1.781
1.968
2.343
12.814
14.438
16.064
19.314