A nickel-chromium alloy for the positive arms of thermocouples

摘要

An alloy for the positive limb of a thermocouple has the p following percentage composition : Cr 8-12, Fe 1.8-3, alkaline earth metals (including Mg) 0.25-1, Ni the remainder. Co, Al, Si or Mn up to 0.025 may also be present.