N42 is an iron-nickel controlled expansion alloy suitable to glass sealing, with optimal chemical composition to obtain hermetic seals. Typical applications are integrated circuit lead frames, electron gun components, enameled resistor ferrules and moulds for composite parts. International standards: ASTM F30 - DIN 17745 – W 1.3917 - A54-301 - SEW 385 Information provided by Aperam |