Alloy 42 Applications | EFINEA

The following list represents a sampling of applications where Alloy 42 controlled expansion alloy was utilized due to its properties:

  • Integrated circuit lead frames
  • Terminals
  • Enameled resistors, without prior thermal treatment
  • Bubble-free glass-metal seals
  • Electronic tubes
  • Lids for hermetic packages
  • Automotive lamps
  • Industrial lamps
  • Transformer bushings
  • Capacitor bushings

EFINEA has been supplying Alloy 42  to various industries since our founding in 1965.  The alloy has been a choice material for the first integrated circuits and continues to be utilized in applications due to its unique characteristics.  Contact us today to discuss Alloy 42 products for your next application.


For more information on technology, engineering and advanced materials applications, you can visit the IEEE, one of the largest technical professional organizations worldwide.