High Expansion 19-2

High Expansion 19-2 is an iron-nickel-chrome high expansion alloy that will strengthen to greater than 175 ksi yield. Oxidizes readily at high temperatures, this alloy is usually annealed in protective atmospheres or vacuums.

Type Analysis

  • Carbon (Maximum) 0.55
  • Silicon (Maximum) 0.2
  • Nickel (Nominal) 19
  • Manganese (Maximum) 1
  • Chromium (Nominal) 2
  • Iron (Nominal) Balance


Thermostat bimetal applications


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