Heat Treatment of Cr- and Cr-V ledeburitic tool steels

Peter Jurči

Abstract


Cr- and Cr-V ledeburitic cold work tool steels belong to the most important tool materials for large series manufacturing. To enable high production stability, the tools must be heat treated before use. This overview paper brings a comprehensive study on the heat treatment of these materials, starting from the soft annealing and finishing with the tempering. Also, it describes the impact of any step of the heat treatment on the most important structural and mechanical characteristics, like the hardness, the toughness and the wear resistance. The widely used AIS D2- steel (conventionally manufactured) and Vanadis 6 (PM) are used as examples in most cases.


Keywords


Cr- and Cr-V cold work tool steel, heat-treatment, microstructure, hardness, three point bending strength, fracture toughness

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References


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