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Alloy 42 Data Sheet
A nickel-iron controlled-expansion alloy containing 42% nickel. I has a low and normally constant coefficient of thermal expansion from room temperature to about 570ºF (300ºC). Used for semiconductor lead frames in integrated circuits, bi-metal thermostats strip, thermostat rods, for ceramic-to-metal seals with alumina ceramics, and various glass-to-metal seals such as the core of copper-clad-wire for sealing into glass envelopes of electric bulbs, radio valves, television tubes and fluorescent lights. Available in: Tube, Sheet, Strip and Wire.
Disclaimer Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.
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