Which is the best stainless steel alloy to be considered for ohmic heating at a temperature of 800 deg C?

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Krishnan Raja

I would recommend FeCrAl alloys, especially Kanthal APMT.

Low cost alternate would be high carbon versions of AISI 309, 310 etc.

This report will be helpful: https://info.ornl.gov/sites/publications/Files/Pub74128.pdf

If these alloys are not going to work, then the other option is nickel base super alloys.

Ashish Jose M

Krishnan Raja Thank you so much for recommending and for sharing the details. I will thoroughly inspect the material aspects from its application point of view.

Syed Abbas Raza

Thank you for providing me the information. Appreciate it.