A106 Grade B Carbon Steel Pipes - Pressure and Temperature Ratings

Pressure (psig) and temperature (deg F) ratings of A106 Grade B carbon steel pipes - temperatures ranging 100 oF - 750 oF

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Ratings are given for standard seamless pipes at temperatures ranging 100 oF - 750 oF. Ratings in psig based on ANSI/ASME B 31.1.

Maximum Allowable Pressure (psig)
Pipe Size
(inches)		 Pipe Schedule Temperature (oF)
100 200 300 400 500 600 650 700 750
1/2" 401) 2984 2984 2984 2984 2984 2984 2984 2910 2661
802) 4202 4202 4202 4202 4202 4202 4202 4097 3747
160 5536 5536 5536 5536 5536 5536 5536 5397 4936
3/4" 40 2447 2447 2447 2447 2447 2447 2447 2386 2182
80 3439 3439 3439 3439 3439 3439 3439 3354 3067
160 5115 5115 5115 5115 5115 5115 5115 4987 4560
1" 40 2857 2857 2857 2857 2857 2857 2857 2743 2476
80 3950 3950 3950 3950 3950 3950 3950 3792 3423
160 5757 5757 5757 5757 5757 5757 5757 5526 4989
1 1/2" 40 2116 2116 2116 2116 2116 2116 2116 2032 1834
80 2983 2983 2983 2983 2983 2983 2983 2864 2585
160 4331 4331 4331 4331 4331 4331 4331 4157 3753
2" 40 1783 1783 1783 1783 1783 1783 1783 1712 1545
80 2575 2575 2575 2575 2575 2575 2575 2472 2232
160 4217 4217 4217 4217 4217 4217 4217 4049 3655
3" 40 1693 1693 1693 1693 1693 1693 1693 1625 1467
80 2394 2394 2394 2394 2394 2394 2394 2298 2074
160 3600 3600 3600 3600 3600 3600 3600 3456 3120
4" 40 1435 1435 1435 1435 1435 1435 1435 1378 1244
80 2075 2075 2075 2075 2075 2075 2075 1992 1798
160 3376 3376 3376 3376 3376 3376 3376 3241 2926
5" 40 1258 1258 1258 1258 1258 1258 1258 1208 1090
80 1857 1857 1857 1857 1857 1857 1857 1783 1610
160 3201 3201 3201 3201 3201 3201 3201 3073 2774
6" 40 1143 1143 1143 1143 1143 1143 1143 1098 991
80 1794 1794 1794 1794 1794 1794 1794 1722 1554
160 3083 3083 3083 3083 3083 3083 3083 2960 2672
8" 40 1006 1006 1006 1006 1006 1006 1006 966 872
80 1586 1586 1586 1586 1586 1586 1586 1523 1375
160 2976 2976 2976 2976 2976 2976 2976 2857 2579
10" 40 913 913 913 913 913 913 913 876 791
80 1509 1509 1509 1509 1509 1509 1509 1448 1308
160 2950 2950 2950 2950 2950 2950 2950 2832 2557

1) STD (standard) = schedule 40

2) XS (extra strong) = schedule 80

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  • Pressure Ratings - Pressure ratings of pipes and tubes and their fittings - carbon steel , stainless steel, plastic, copper and more

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