We are currently looking for spring materials and a manufacturer. A slightly unrealistic material with a heat resistant temperature of 800°C is required. As far as I know, even SUS steel for springs for heat-resistant applications can endure about 350°C. It doesn’t matter if the special processing is complicated, please let us know if it is possible to find a material like that. (It may not be possible due to the structure of the spring, but we are searching on the condition that it does not yield.)
Our current most heat-resistant material is Inconel X750 or Inconel 718, which are Ni-based superalloys. The characteristics required for springs used at high temperatures are, of course, to withstand repeated stresses, to have a sufficient service life, and to maintain the function as a spring at high temperatures. Even if you use these materials, it should be considered that the maximum temperature is 500℃ for Inconel X750 and 600℃ for Inconel 718.
