This specification, in conjunction with the general requirements for steel heat treatment in AMS 2759, establishes requirements for thermal stress relief treatments of parts manufactured from the following materials: a Carbon and Low Alloy Steels b Tool Steels c Precipitation Hardening, Corrosion-Resistant and Maraging Steels d Austenitic Corrosion-Resistant Steels e Martensitic Corrosion-Resistant Steels