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Allowable Working Pressure Carbon Steel and High Yield Strength Pipe

Fluids Flow Design and Engineering

Carbon Steel and High Yield Strength Pipe
(Values apply to A106, API 5LX pipe having
the same specified minimum yield strength as shown)
Nom
Pipe
Size
O.D.
Wall
Thk.
Allowable Working Pressures up to 250⁰F, in psig
Construction type Design Factors 
Type A. F = 0.72"
Type B. F = 0.60
GR.B
GR.B
35,000
42,000
46,000
52,000
60,000
35,000
42,000
46,000
52,000
60,000
2
(STD)
2.375
.154
3268
2723
.218
4626
3855
3
3.500
(STD)
.125
1800
1500
.156
2246
1872
.188
2707
2256
.216
3110
2592
.250
3600
3000
.281
4046
3372
.300
4320
3600
4
4.500
(STD)
.125
1400
1680
1840
1167
1400
1533
.156
1747
2097
2296
1456
1747
1913
.188
2105
2526
2767
1754
2105
2306
.219
2453
2943
3223
2044
2453
2686
.237
2654
3185
3488
2212
2654
2907
.250
2800
3360
3680
2333
2800
3067
.281
3147
3776
4136
2623
3147
3447
.312
3494
4193
4593
2912
3494
3827
.337
3774
4530
4961
3145
3775
4134
6
6.625
(STD)
.156
1187
1424
1560
1763
989
1187
1300
1469
.188
1429
1716
1880
2124
1192
1430
1567
1770
.219
1666
2000
2190
2475
1388
1666
1825
2063
.250
1902
2282
2500
2826
1585
1902
2083
2355
.280
2130
2556
2799
3164
1775
2130
2333
2637
.312
2373
2848
3120
3527
1978
2374
2600
2933
.375
2853
3424
3750
4237
2377
2853
3125
3531
.132
3287
3943
4319
4883
2739
3286
3599
4069
8
8.625
(STD)
.156
912
1094
1198
1354
760
912
998
1128
.188
1098
1318
1444
1632
915
1098
1203
1360
.203
1186
1424
1559
1762
989
1186
1299
1469
.219
1280
1535
1681
1901
1067
1280
1401
1584
.250
1461
1753
1920
2170
1217
1461
1600
1809
.277
1618
1942
2128
2405
1349
1618
1773
2004
.312
1823
2189
2398
2709
1520
1823
1997
2258
.322
1882
2258
2473
2796
1568
1882
2061
2329
.344
2011
2412
2642
2988
1676
2011
2202
2490
.375
2191
2628
2880
3256
1826
2191
2399
2713
.438
2560
3071
3364
3803
2133
2560
2804
3170
.500
2922
3506
3840
4341
2435
2922
3200
3617
10
10.750
(STD)
.188
881
1058
1158
1310
733
881
965
1091
.203
959
1143
1251
1415
794
952
1043
1179
.219
1026
1231
1348
1525
855
1026
1124
1271
.250
1172
1407
1540
1741
977
1172
1284
1451
.279
1309
1570
1719
1944
1091
1309
1433
1620
.307
1440
1728
1892
2138
1200
1440
1577
1782
.344
1613
1935
2120
2396
1344
1613
1767
1997
.365
1711
2054
2249
2542
1426
1711
1874
2119
.438
2054
2464
2700
3051
1712
2054
2250
2543
.500
2344
2813
3081
3483
1953
2344
2567
2902
12
12.750
(STD)
.188
743
892
977
1104
619
743
814
920
.203
803
963
1055
1193
669
803
879
995
.219
866
1039
1138
1287
722
866
948
1073
.250
988
1186
1299
1468
824
988
1082
1224
.281
1111
1332
1460
1651
926
1111
1217
1376
.312
1233
1480
1620
1832
1028
1233
1350
1527
.330
1305
1566
1715
1939
1088
1305
1430
1616
.344
1359
1631
1786
2020
1133
1359
1488
1683
.375
1482
1779
1948
2202
1235
1482
1624
1835
.406
1606
1926
2110
2385
1338
1606
1758
1988
.438
1732
2077
2275
2572
1443
1732
1896
2144
.500
1976
2372
2598
2936
1647
1976
2165
2447
Type A construction also applicable to "Liquid Petroleum Transportation Piping Code." ANSI B31.4-1979

 

Carbon Steel and High Yield Strength Pipe
(Values apply to A106, API 5LX pipe
having the same specified minimum yield strength as shown)
Nom
Pipe
Size
O.D.
Wall
Thk.
Allowable Working Pressures up to 250⁰F, in psig
Construction type Design Factors
Type C. F = 0.50
Type D.F = 0.40
GR.B
GR.B
35,000
42,000
46,000
52,000
60,000
35,000
42,000
46,000
52,000
60,000
2
(STD)
2.375
.154
2270
1816
.218
3213
2570
3
3.500
(STD)
.125
1250
1000
.156
1560
1248
.188
1880
1504
.216
2160
1728
.250
2500
2000
.281
2810
2248
.300
3000
2400
4
4.500
(STD)
.125
973
1167
1278
778
933
1022
.156
1214
1456
1595
971
1165
1276
.188
1462
1755
1922
1170
1404
1537
.219
1704
2044
2239
1363
1635
1791
.237
1844
2212
2423
1475
1770
1938
.250
1945
2333
2556
1556
1869
2044
.281
2186
2622
2873
1748
2098
2298
.312
2427
2912
3190
1941
2330
2552
.337
2621
3146
3445
2097
2516
2756
6
6.625
(STD)
.156
824
989
1083
1224
659
791
866
980
.188
993
1192
1306
1475
794
954
1044
1180
.219
1157
1389
1521
1719
926
1111
1216
1375
.250
1321
1585
1736
1963
1057
1268
1389
1570
.280
1479
1775
1944
2198
1183
1420
1555
1758
.312
1649
1978
2167
2449
1319
1582
1733
1959
.375
1981
2378
2604
2943
1585
1902
2083
2354
.132
2283
2738
3000
3391
1826
2191
2400
2713
8
8.625
(STD)
.156
633
760
832
940
506
608
666
752
.188
763
915
1003
1133
610
732
802
907
.203
824
989
1083
1224
659
791
866
979
.219
889
1067
1168
1320
711
853
934
1056
.250
1014
1217
1333
1507
812
974
1067
1206
.277
1124
1349
1478
1670
899
1079
1182
1336
.312
1266
1520
1664
1881
1013
1216
1331
1505
.322
1307
1568
1717
1941
1045
1254
1374
1553
.344
1396
1676
1835
2075
1117
1340
1468
1660
.375
1521
1826
1999
2261
1217
1460
1599
1808
.438
1778
2133
2336
2641
1422
1706
1869
2113
.500
2029
2435
2667
3014
1623
1948
2133
2412
10
10.750
(STD)
.188
612
735
804
909
490
588
644
728
.203
661
794
869
983
529
635
695
786
.219
713
855
936
1059
570
684
749
847
.250
814
977
1070
1209
651
781
856
967
.279
909
1091
1194
1350
727
872
955
1080
.307
1000
1200
1314
1486
800
960
1051
1189
.344
1120
1344
1473
1664
896
1075
1178
1331
.365
1188
1426
1562
1766
951
1141
1249
1412
.438
1426
1712
1875
2119
1141
1369
1500
1695
.500
1628
1953
2140
2419
1302
1563
1712
1935
12
12.750
(STD)
.188
516
619
678
767
413
495
543
613
.203
558
669
733
829
446
535
586
663
.219
601
722
790
894
481
577
632
715
.250
686
824
902
1020
549
659
722
816
.281
771
926
1014
1146
617
740
811
917
.312
856
1028
1125
1273
685
822
900
1018
.330
906
1088
1191
1346
725
870
953
1077
.344
944
1133
1240
1403
755
906
992
1122
.375
1029
1235
1353
1529
824
988
1082
1224
.406
1115
1338
1465
1656
892
1070
1172
1325
.438
1203
1443
1580
1786
962
1154
1264
1429
.500
1373
1647
1804
2039
1098
1318
1443
1631
Type A construction also applicable to "Liquid Petroleum Transportation Piping Code." ANSI B31.4-1979

References:

FIG. 17-27 (GPSA BOOK)
Gas Transmission and Distribution Piping
Code for Pressure Piping ANSI B31.8-1982

Spider Optimizer

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