Pressure - Temperature Service Ratings for F304 Forged Steel Socket Welding and Threaded Fittings

Service Temperature (°F)	Nominal Pressure Rating
	2000 LB.	3000 LB.	6000 LB.
100°	1715	2570	5145
150°	1615	2425	4855
200°	1520	2280	4565
250°	1445	2170	4340
300°	1370	2055	4115
350°	1310	1965	3930
400°	1245	1870	3745
450°	1195	1790	3585
500°	1140	1715	3430
550°	1100	1650	3305
600°	1060	1590	3180
650°	1020	1535	3070
700°	985	1480	2960
750°	950	1425	2850
800°	915	1370	2745
850°	885*	1330*	2660*
875°	870*	1310*	2620*
900°	860*	1290*	2580**
925°	850*	1280*	2560**
950°	845**	1270**	2540**
975°	840*	1260**	2520**
1000°	830**	1250**	2500**
1025°	820**	1235**	2470**
1050°	810**	1215**	2430**
1075°	760**	1140**	2285**
1100°	715**	1070**	2145**
1125°	630**	945**	1895**
1150°	545**	820**	1645**
1175°	485**	730**	1465**
1200°	425**	640**	1285**

* Product used within the jurisdiction of Section 1, Power Boilers of the ASME Boiler and Pressure Vessel Code is subject to the same maximum temperature limitations placed upon the material in Table P7, 1952 edition thereof.

** Product used within the jurisdiction of Section 1, Power Piping of the ASME Code for Pressure Piping B 31.1 is subject to the same maximum temperature limitations placed upon piping of the same general composition in Table 2a of ASME B 31.1, 1963.