What is the value of having high vanadium content in the tool steel?
High vanadium will not improve the TRD performance, on the contrary material having more than 3-4% vanadium deteriorates the machine-ability and grind-ability of the tool steel. The steels that contain 5, 10, and 15% vanadium take longer to grind and polish is low in toughness and extremely expensive. The only benefit of these steels is wear resistance. The TRD coating will cover 100% of the die with vanadium carbide and therefore using higher vanadium steel is of no benefit.
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