ASME B16.34 - Group 2.2, Pres-Temp Rating

ASME B16.3 - Materials in Group 2.2 - Austenitic Steel [1] At temperatures over 1000°F, use only when carbon content is 0.04% or higher. [2] Not to be used over 650°F. [3] Not to be used over 850°F. [4] Not to be used over 1000°F.
Material Group No.	Material Nominal Designation	Forging	Casting	Plate	Bar	Tubular
2.2	16CR-12NI-2MO 18CR-8NI 18CR-13NI-3MO 16CR-12NI-2MO 19CR-10NI-3MO	A182 Gr. F316 [1] A182 Gr. F316H	A351 Gr. CF3A [2] A351 Gr. CF8A [2] A351 Gr. CF3M [3] A351 Gr. CF8M [1] A351 Gr. CG8M [4]	A240 Gr. 316 [1] A240 Gr. 316H A240 Gr. 317 [1]	A182 Gr. F316 [1] A182 Gr. F316H A479 Gr. 316 [1] A479 Gr. 316H	A312 Gr. TP316 [1] A312 Gr. TP316H A358 Gr. 316 [1] A376 Gr. TP316 [1] A376 Gr. TP316H A430 Gr. FP316 [1] A430 Gr. FP316H A312 Gr. TP317 [1]

ASME B16.34 - Material Group 2.2 - Standard Class, Pressure-Temperature Rating Ratings are maximum allowable working gage pressure (psig) at the temperature listed. [1] Use with buttweld valves only. Flanged end rating stop at 1000°F.
Temp. °F	150	300	400	600	900	1500	2500
-20 to 100	275	720	960	1440	2160	3600	6000
200	235	620	825	1240	1860	3095	5160
300	215	560	745	1120	1680	2795	4660
400	195	515	685	1025	1540	2570	4280
500	170	480	635	955	1435	2390	3980
600	140	450	600	900	1355	2255	3760
650	125	445	590	890	1330	2220	3700
700	110	430	580	870	1305	2170	3620
750	95	425	570	855	1280	2135	3560
800	80	420	565	845	1265	2110	3520
850	65	420	555	835	1255	2090	3480
900	50	415	555	830	1245	2075	3460
950	35	385	515	775	1160	1930	3220
1000	20	350	465	700	1050	1750	2915
1050	20 [1]	345	460	685	1030	1720	2865
1100	20 [1]	305	405	610	915	1525	2545
1150	20 [1]	235	315	475	710	1185	1970
1200	20 [1]	185	245	370	555	925	1545
1250	20 [1]	145	195	295	440	735	1230
1300	20 [1]	115	155	235	350	585	970
1350	20 [1]	95	130	190	290	480	800
1400	20 [1]	75	100	150	225	380	630
1450	20 [1]	60	80	115	175	290	485
1500	20 [1]	40	55	85	125	205	345

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