Low Expansion 39

Low Expansion 39 is a special controlled-expansion alloy with a temperature range that extends to 600°F (316°C).

Type Analysis

  • Carbon (Maximum) 0.05
  • Silicon (Maximum) 0.25
  • Nickel (Nominal) 39
  • Manganese (Maximum) 0.4
  • Iron (Nominal) Balance


tunable capacitors and as low expansion element in thermostat bimetal products.


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