BÖHLER K320 corresponds to the material 1.2355 (50CrMoV13 -15, S7). According to the AISI classification system, this tool steel belongs to the group of impact-resistant tool steels (S types). This popular tool steel offers high toughness and good machinability with moderate wear resistance. BÖHLER K320 is used in cold and hot work applications as well as in plastic mold making. This tool steel is used for a wide range of tools where impact strength, good machinability and simple heat treatment are important.