Heat-resistant stainless steels: local and foreign equivalents. Mechanical properties, and application fields

Heat‑resistant alloys and steels are a specialized class of stainless materials designed for operation under elevated temperatures and in aggressive environments. These materials are intended for use in applications where conventional steels would lose their properties due to high temperature exposure, oxidation, or corrosion. This study analyzes the equivalence of domestic heat‑resistant steels and alloys to their international counterparts in EN, AISI, ASTM, and AFNOR standards. The mechanical properties of steels within the AISI system are examined. A comparative review of the primary application fields of heat‑resistant steels produced in the CIS and those of the AISI system is also provided.