UNS K94100, Werkstoffnummer 1.3917
NILO alloy 42 , a binary nickel-iron alloy containing 42% nickel. It has a low, and nominally constant, coefficient of expansion over the range 20-300°C (85-570°F). It is used for tooling for aerospace composites, thermostat rods, for semiconductor lead frames, in thermostatic bi-metal strip, and for glass sealing applications in microelectronic components, vacuum devices and electric lamp bulbs.
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