Chromium-vanadium steel is mainly structural steel, commonly used are 20crv, 40grv and 45crv. The role of vanadium in steel is strong carbonization and grain refinement, but its hardenability is poor. Therefore, the strength and toughness are improved by adding vanadium to chromium steel.
Tool steel containing chromium and vanadium is a cold working die steel, but it also contains other alloying elements, but chromium is the main alloying element. Such as cr 12mov and cr6vv. The purpose of adding vanadium is to increase the content of carbide, so chromium-vanadium tool steel has high hardness and good wear resistance, and is suitable for wire drawing die or cold stamping die.