Maximum Pressure Rating Schedule 160, Schedule 40 and Schedule 80

Maximum pressure ratings for pipes per. API 5L Carbon Steel Pipe and A-106, A-53, A333, A334.

Minimum tensile strength 60 ksi (60000 psi).

This table defines the maximum pressure rating for the specified industry standard pipes, Schedule 160, Schedule 40 and Schedule 80.

Size
(in)
Outside
Diameter
(in)
Wall
Thickness
(in)
Inside
Diameter
(in)
Schedule
Temperature (oF)
100
200
300
400
500
600
650
700
Allowed Stress (psi)
20000
20000
20000
20000
18900
17300
17000
16500
Maximum Pressure (psi)
1/2
0.84
0.109
0.622
40
5792
5792
5792
5792
5473
5010
4923
4778
0.84
0.147
0.546
80
8140
8140
8140
8140
7692
7041
6919
6715
0.84
0.188
0.464
160
10905
10905
10905
10905
10305
9433
9269
8997
0.84
0.294
0.252
-
19444
19444
19444
19444
18375
16819
16528
16042
3/4
1.05
0.113
0.824
40
4710
4710
4710
4710
4451
4074
4004
3886
1.05
0.154
0.742
80
6647
6647
6647
6647
6281
5749
5650
5483
1.05
0.219
0.612
160
10014
10014
10014
10014
9463
8662
8512
8261
1.05
0.308
0.434
-
15331
15331
15331
15331
14488
13261
13031
12648
1
1.315
0.133
1.049
40
4402
4402
4402
4402
4160
3808
3742
3631
1.315
0.179
0.957
80
6110
6110
6110
6110
5774
5285
5194
5041
1.315
0.25
0.815
160
8969
8969
8969
8969
8475
7758
7623
7399
1.315
0.358
0.599
-
13922
13922
13922
13922
13156
12042
11834
11486
1 1/4
1.66
0.14
1.38
40
3618
3618
3618
3618
3419
3129
3075
2984
1.66
0.191
1.278
80
5069
5069
5069
5069
4790
4385
4309
4182
1.66
0.25
1.16
160
6849
6849
6849
6849
6473
5925
5822
5651
1.66
0.382
0.896
-
11282
11282
11282
11282
10661
9759
9589
9307
1 1/2
1.9
0.145
1.61
40
3251
3251
3251
3251
3072
2812
2763
2682
1.9
0.2
1.5
80
4598
4598
4598
4598
4345
3977
3908
3793
1.9
0.281
1.338
160
6710
6710
6710
6710
6341
5804
5703
5535
1.9
0.4
1.1
-
10127
10127
10127
10127
9570
8759
8608
8354
2
2.375
0.109
2.157
10
1906
1906
1906
1906
1801
1648
1620
1572
2.375
0.154
2.067
40
2736
2736
2736
2736
2585
2366
2325
2257
2.375
0.218
1.939
80
3963
3963
3963
3963
3745
3428
3368
3269
2.375
0.25
1.875
-
4598
4598
4598
4598
4345
3977
3908
3793
2.375
0.281
1.813
-
5227
5227
5227
5227
4940
4522
4443
4313
2.375
0.344
1.687
160
6553
6553
6553
6553
6193
5668
5570
5406
2.375
0.436
1.503
-
8607
8607
8607
8607
8134
7445
7316
7101
2 1/2
2.875
0.12
2.635
10
1727
1727
1727
1727
1632
1494
1468
1425
2.875
0.203
2.469
40
2993
2993
2993
2993
2829
2589
2544
2470
2.875
0.216
2.443
-
3197
3197
3197
3197
3022
2766
2718
2638
2.875
0.25
2.375
-
3738
3738
3738
3738
3533
3234
3178
3084
2.875
0.276
2.323
80
4159
4159
4159
4159
3931
3598
3536
3432
2.875
0.375
2.125
160
5825
5825
5825
5825
5505
5039
4951
4806
2.875
0.552
1.771
-
9074
9074
9074
9074
8575
7849
7713
7486
3
3.5
0.12
3.26
-
1410
1410
1410
1410
1333
1220
1199
1163
3.5
0.156
3.188
-
1849
1849
1849
1849
1747
1599
1571
1525
3.5
0.172
3.156
-
2046
2046
2046
2046
1934
1770
1739
1688
3.5
0.188
3.124
-
2245
2245
2245
2245
2122
1942
1908
1852
3.5
0.216
3.068
40
2597
2597
2597
2597
2454
2246
2207
2142
3.5
0.25
3
-
3030
3030
3030
3030
2864
2621
2576
2500
3.5
0.281
2.938
-
3432
3432
3432
3432
3243
2969
2917
2831
3.5
0.3
2.9
80
3681
3681
3681
3681
3479
3184
3129
3037
3.5
0.438
2.624
160
5563
5563
5563
5563
5257
4812
4728
4589
3.5
0.6
2.3
-
7947
7947
7947
7947
7510
6874
6755
6556
3 1/2
4
0.12
3.76
10
1230
1230
1230
1230
1162
1064
1045
1014
4
0.226
3.548
140
2367
2367
2367
2367
2237
2047
2012
1953
4
0.25
3.5
-
2632
2632
2632
2632
2487
2276
2237
2171
4
0.281
3.438
-
2977
2977
2977
2977
2814
2575
2531
2456
4
0.318
3.364
80
3396
3396
3396
3396
3209
2938
2887
2802
4
0.636
2..728
-
7287
7287
7287
7287
6886
6303
6194
6012
4
4.5
0.12
4.26
10
1090
1090
1090
1090
1030
943
926
899
4.5
0.156
4.188
-
1426
1426
1426
1426
1348
1234
1212
1177
4.5
0.188
4.124
-
1729
1729
1729
1729
1634
1495
1470
1426
4.5
0.203
4.094
-
1872
1872
1872
1872
1769
1619
1591
1544
4.5
0.219
4.062
-
2026
2026
2026
2026
1914
1752
1722
1671
4.5
0.237
4.026
40
2199
2199
2199
2199
2078
1902
1869
1814
4.5
0.25
4
-
2326
2326
2326
2326
2198
2012
1977
1919
4.5
0.281
3.938
60
2629
2629
2629
2629
2485
2274
2235
2169
4.5
0.312
3.876
-
2936
2936
2936
2936
2775
2540
2496
2422
4.5
0.337
3.826
80
3186
3186
3186
3186
3011
2756
2708
2629
4.5
0.438
3.624
120
4222
4222
4222
4222
3990
3652
3589
3483
4.5
0.531
3.438
160
5212
5212
5212
5212
4925
4508
4430
4300
4.5
0.674
3.152
-
6807
6807
6807
6807
6432
5888
5786
5616
5
5.563
0.188
5.187
-
1389
1389
1389
1389
1313
1202
1181
1146
5.563
0.219
5.125
-
1626
1626
1626
1626
1536
1406
1382
1341
5.563
0.258
5.047
40
1927
1927
1927
1927
1821
1667
1638
1589
5.563
0.281
5.001
-
2106
2106
2106
2106
1990
1821
1790
1737
5.563
0.312
4.939
-
2349
2349
2349
2349
2220
2032
1996
1938
5.563
0.344
4.875
-
2602
2602
2602
2602
2459
2251
2212
2147
5.563
0.375
4.813
80
2850
2850
2850
2850
2693
2465
2423
2351
5.563
0.5
4.563
120
3874
3874
3874
3874
3661
3351
3293
3196
5.563
0.625
4.313
160
4938
4938
4938
4938
4666
4271
4197
4074
5.563
0.75
4.063
-
6045
6045
6045
6045
5712
5229
5138
4987
6
6.625
0.109
6.407
5
667
667
667
667
630
577
567
550
6.625
0.134
6.357
10
822
822
822
822
777
711
699
678
6.625
0.156
6.313
-
960
960
960
960
907
830
816
792
6.625
0.188
6.249
-
1161
1161
1161
1161
1098
1005
987
958
6.625
0.203
6.219
-
1256
1256
1256
1256
1187
1087
1068
1037
6.625
0.219
6.187
-
1358
1358
1358
1358
1283
1175
1154
1120
6.625
0.25
6.125
-
1556
1556
1556
1556
1471
1346
1323
1284
6.625
0.28
6.065
40
1750
1750
1750
1750
1653
1514
1487
1444
6.625
0.312
6.001
-
1958
1958
1958
1958
1850
1693
1664
1615
6.625
0.344
5.937
-
2167
2167
2167
2167
2048
1874
1842
1788
6.625
0.375
5.875
-
2372
2372
2372
2372
2241
2051
2016
1957
6.625
0.432
5.761
80
2752
2752
2752
2752
2601
2380
2339
2270
6.625
0.5
5.625
-
3213
3213
3213
3213
3036
2779
2731
2651
6.625
0.562
5.501
120
3640
3640
3640
3640
3440
3149
3094
3003
6.625
0.625
5.375
-
4082
4082
4082
4082
3857
3531
3469
3367
6.625
0.719
5.187
160
4754
4754
4754
4754
4492
4112
4041
3922
6.625
0.864
4.897
-
5824
5824
5824
5824
5504
5038
4951
4805
6.625
1
4.625
-
6867
6867
6867
6867
6489
5940
5837
5665
6.625
1.125
4.375
-
7860
7860
7860
7860
7428
6799
6681
6485
8
8.625
0.188
8.25
-
887
887
887
887
839
768
754
732
8.625
0.203
8.219
-
960
960
960
960
907
830
816
792
8.625
0.219
8.187
-
1037
1037
1037
1037
980
897
881
855
8.625
0.237
8.151
-
1124
1124
1124
1124
1062
972
955
927
8.625
0.25
8.125
20
1187
1187
1187
1187
1122
1027
1009
979
8.625
0.277
8.071
30
1319
1319
1319
1319
1246
1141
1121
1088
8.625
0.312
8.001
-
1490
1490
1490
1490
1408
1289
1267
1229
8.625
0.322
7.981
40
1539
1539
1539
1539
1455
1332
1308
1270
8.625
0.344
7.937
-
1648
1648
1648
1648
1557
1425
1401
1360
8.625
0.375
7.875
-
1802
1802
1802
1802
1703
1559
1532
1486
8.625
0.406
7.813
60
1957
1957
1957
1957
1849
1692
1663
1614
8.625
0.438
7.749
-
2117
2117
2117
2117
2001
1831
1800
1747
8.625
0.5
7.625
80
2432
2432
2432
2432
2298
2103
2067
2006
8.625
0.562
7.501
-
2750
2750
2750
2750
2598
2379
2337
2269
8.625
0.594
7.437
100
2915
2915
2915
2915
2755
2522
2478
2405
8.625
0.625
7.375
-
3077
3077
3077
3077
2908
2662
2615
2538
8.625
0.719
7.187
120
3573
3573
3573
3573
3376
3090
3037
2948
8.625
0.812
7.001
140
4073
4073
4073
4073
3849
3523
3462
3360
8.625
0.875
6.875
-
4416
4416
4416
4416
4174
3820
3754
3644
8.625
0.906
6.813
160
4587
4587
4587
4587
4335
3968
3899
3784
10
10.75
0.188
10.374
-
709
709
709
709
670
614
603
585
10.75
0.203
10.374
-
767
767
767
767
725
663
652
633
10.75
0.219
10.312
-
828
828
828
828
783
717
704
683
10.75
0.237
10.276
-
898
898
898
898
848
777
763
741
10.75
0.25
10.25
20
948
948
948
948
896
820
806
782
10.75
0.279
10.192
-
1060
1060
1060
1060
1002
917
901
875
10.75
0.307
10.136
30
1169
1169
1169
1169
1105
1011
994
964
10.75
0.344
10.062
-
1314
1314
1314
1314
1241
1136
1117
1084
10.75
0.365
10.02
40
1396
1396
1396
1396
1319
1208
1187
1152
10.75
0.375
10
-
1435
1435
1435
1435
1356
1242
1220
1184
10.75
0.438
9.874
-
1685
1685
1685
1685
1592
1457
1432
1390
10.75
0.5
9.75
60
1932
1932
1932
1932
1826
1671
1643
1594
10.75
0.562
9.626
-
2182
2182
2182
2182
2062
1888
1855
1801
10.75
0.594
9.562
80
2312
2312
2312
2312
2185
2000
1966
1908
10.75
0.625
9.5
-
2439
2439
2439
2439
2305
2110
2073
2012
10.75
0.719
9.312
100
2827
2827
2827
2827
2671
2445
2403
2332
10.75
0.812
9.126
-
3216
3216
3216
3216
3039
2782
2733
2653
10.75
0.844
9.062
120
3351
3351
3351
3351
3167
2899
2848
2765
10.75
1
8.75
140
4020
4020
4020
4020
3799
3477
3417
3317
10.75
1.125
8.5
160
4569
4569
4569
4569
4317
3952
3883
3769
12
12.75
0.188
12.374
-
597
597
597
597
564
516
507
492
12.75
0.203
12.374
-
645
645
645
645
610
558
548
532
12.75
0.219
12.312
-
697
697
697
697
658
603
592
575
12.75
0.237
12.276
-
755
755
755
755
713
653
642
623
12.75
0.25
12.25
20
797
797
797
797
753
689
677
657
12.75
0.281
12.188
-
897
897
897
897
848
776
763
740
12.75
0.312
12.126
-
998
998
998
998
943
864
849
824
12.75
0.33
12.09
30
1057
1057
1057
1057
999
914
899
872
12.75
0.344
12.062
-
1103
1103
1103
1103
1042
954
938
910
12.75
0.375
12
-
1205
1205
1205
1205
1139
1042
1024
994
12.75
0.406
11.938
40
1307
1307
1307
1307
1235
1131
1111
1078
12.75
0.438
11.874
-
1413
1413
1413
1413
1335
1222
1201
1166
12.75
0.5
11.75
-
1619
1619
1619
1619
1530
1401
1377
1336
12.75
0.562
11.626
60
1828
1828
1828
1828
1727
1581
1553
1508
12.75
0.625
11.5
-
2041
2041
2041
2041
1929
1765
1735
1684
12.75
0.688
11.374
80
2256
2256
2256
2256
2132
1951
1917
1861
12.75
0.75
11.25
-
2469
2469
2469
2469
2333
2136
2099
2037
12.75
0.844
11.062
100
2796
2796
2796
2796
2642
2418
2377
2307
12.75
1
10.75
120
3347
3347
3347
3347
3163
2895
2845
2762
12.75
1.125
10.5
140
3797
3797
3797
3797
3589
3285
3228
3133
12.75
1.312
10.126
160
4485
4485
4485
4485
4239
3880
3813
3700
14
14
0.25
13.5
10
725
725
725
725
685
627
616
598
14
0.281
13.438
-
816
816
816
816
771
706
694
673
14
0.312
13.376
20
908
908
908
908
858
785
771
749
14
0.344
13.312
-
1003
1003
1003
1003
947
867
852
827
14
0.375
13.25
30
1095
1095
1095
1095
1035
947
931
903
14
0.406
13.188
-
1188
1188
1188
1188
1122
1027
1009
980
14
0.438
13.124
40
1284
1284
1284
1284
1213
1110
1091
1059
14
0.459
13.082
-
1347
1347
1347
1347
1273
1165
1145
1111
14
0.5
13
-
1471
1471
1471
1471
1390
1272
1250
1213
14
0.562
12.876
-
1659
1659
1659
1659
1568
1435
1410
1369
14
0.594
12.812
60
1757
1757
1757
1757
1660
1520
1493
1449
14
0.625
12.75
-
1852
1852
1852
1852
1750
1602
1574
1528
14
0.688
12.624
-
2046
2046
2046
2046
1934
1770
1739
1688
14
0.75
12.5
80
2239
2239
2239
2239
2116
1937
1903
1847
14
0.812
12.376
-
2433
2433
2433
2433
2299
2104
2068
2007
14
0.938
12.124
100
2832
2832
2832
2832
2676
2449
2407
2336
14
1.094
11.812
120
3334
3334
3334
3334
3151
2884
2834
2751
14
1.25
11.5
14O
3846
3846
3846
3846
3635
3327
3269
3173
14
1.406
11.188
160
4368
4368
4368
4368
4128
3778
3713
3604
16
16
0.188
15.624
-
474
474
474
474
448
410
403
391
16
0.203
15.594
-
513
513
513
513
485
443
436
423
16
0.219
15.562
-
554
554
554
554
523
479
471
457
16
0.237
15.526
-
600
600
600
600
567
519
510
495
16
0.25
15.5
10
633
633
633
633
598
547
538
522
16
0.281
15.438
-
713
713
713
713
673
616
606
588
16
0.312
15.376
20
792
792
792
792
749
685
674
654
16
0.344
15.312
-
875
875
875
875
827
757
744
722
16
0.375
15.25
30
955
955
955
955
903
826
812
788
16
0.406
15.188
-
1036
1036
1036
1036
979
896
881
855
16
0.438
15.124
-
1120
1120
1120
1120
1058
968
952
924
16
0.469
15.062
-
1201
1201
1201
1201
1135
1039
1021
991
16
0.5
15
40
1282
1282
1282
1282
1212
1109
1090
1058
16
0.562
14.876
-
1446
1446
1446
1446
1366
1250
1229
1193
16
0.625
14.75
-
1613
1613
1613
1613
1524
1395
1371
1331
16
0.656
14.688
60
1696
1696
1696
1696
1602
1467
1441
1399
16
0.688
14.624
-
1781
1781
1781
1781
1683
1541
1514
1470
16
0.75
14.5
-
1948
1948
1948
1948
1841
1685
1656
1607
16
0.812
14.376
80
2116
2116
2116
2116
2000
1830
1799
1746
16
1.031
13.938
100
2718
2718
2718
2718
2568
2351
2310
2242
16
1.219
13.562
120
3245
3245
3245
3245
3067
2807
2759
2677
16
1.438
13.124
140
3874
3874
3874
3874
3660
3351
3292
3196
16
1.594
12.812
160
4330
4330
4330
4330
4092
3746
3681
3572
18
18
0.219
17.562
-
491
491
491
491
464
425
418
405
18
0.237
17.526
-
532
532
532
532
503
460
452
439
18
0.25
17.5
-
562
562
562
562
531
486
478
463
18
0.281
17.438
-
632
632
632
632
598
547
537
522
18
0.312
17.376
20
703
703
703
703
664
608
598
580
18
0.344
17.312
-
776
776
776
776
734
672
660
640
18
0.375
17.25
-
847
847
847
847
801
733
720
699
18
0.406
17.188
-
919
919
919
919
868
795
781
758
18
0.438
17.124
30
993
993
993
993
938
859
844
819
18
0.469
17.062
-
1064
1064
1064
1064
1006
921
905
878
18
0.5
17
-
1136
1136
1136
1136
1074
983
966
938
18
0.562
16.876
40
1281
1281
1281
1281
1210
1108
1089
1057
18
0.625
16.75
-
1429
1429
1429
1429
1350
1236
1214
1179
18
0.688
16.624
60
1577
1577
1577
1577
1490
1364
1341
1301
18
0.75
16.5
-
1724
1724
1724
1724
1629
1491
1466
1422
18
0.812
16.376
-
1872
1872
1872
1872
1769
1619
1591
1544
18
0.938
16.124
80
2175
2175
2175
2175
2055
1881
1849
1794
18
1.156
15.688
100
2708
2708
2708
2708
2559
2342
2302
2234
18
1.275
15.25
120
3004
3004
3004
3004
2838
2598
2553
2478
18
1.562
14.876
140
3730
3730
3730
3730
3525
3227
3171
3077
18
1.781
14.438
160
4298
4298
4298
4298
4062
3718
3653
3546

Reference:

ANSI/ASME Piping Code B31.1:

Related:

Reference ANSI/ASME B36.10M-1995 Wrought Steel Pipe seamless and welded.

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