Iron-Nickel Alloy 42NA-VI
in electric vacuum equipment; TECL * 1,000,000 in the temperature range from -70 to +340 ºC no more than 4.5−5.5 [1 / ºC]. Technical requirements — according to the Standard Name GOST 10994−74 Precision alloys. Stamps. GOST 14080−78 Tape from precision alloys with specified temperature coefficients of linear expansion. Technical conditions