Deutsche Edelstahlwerke Cryodur 2002 is a high-carbon, alloy cold-work tool steel in which the principal alloying element is chromium. It is among the least expensive of the tool steels and requires strict control of processing and heat treatment to achieve good properties and performance. The low alloy content of this steel yields few alloy carbides and, therefore, lower wear resistance compared to the more highly alloyed tool steels. The hardenability of Cryodur 2002 is low, and rapid quenching is required to produce a martensitic microstructure. Despite rapid quenching, this steel may harden only to shallow depths.
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