ASME B16.34 - Group 3.4, Pres-Temp Rating

ASME B16.34 - Materials in Group 3.4 - Nickel and Nickel Alloy [1] Use annealed material only. [2] For forgings, the chemical composition, mechanical properties, heat treating requirements, and grain size requirements shall conform to the applicable ASTM specification. The manufacturing procedures, tolerances, tests, certification, and markings shall be in accordance with ASTM B564.
Material Group No.	Material Nominal Designation	Forging	Casting	Plate	Bar	Tubular
3.4	67NI-30CU 67NI-30CU-S	B564 Gr. N04400 [1] B564 Gr. N04405	-	B127 Gr. N04400 [1]	B164 Gr. N04400 [1] B164 Gr. N04405 [1] [2]	B165 Gr. N04400 [1] B163 Gr. N04400 [1]

ASME B16.34 - Material Group 3.4 - Standard Class, Pressure-Temperature Rating Ratings are maximum allowable working gage pressure (psig) at the temperature listed.
Temp. °F	150	300	400	600	900	1500	2500
200	200	530	705	1055	1585	2640	4400
300	190	495	660	990	1485	2470	4120
400	185	480	635	955	1435	2390	3980
500	170	475	635	950	1435	2375	3960
600	140	475	635	950	1435	2375	3960
650	125	475	635	950	1435	2375	3960
700	110	475	635	950	1435	2375	3960
750	95	470	625	935	1405	2340	3900
800	80	460	610	915	1375	2290	3820
850	65	340	455	680	1020	1695	2830
900	50	245	330	495	740	1235	2055

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