CR7V-L ESR steel fuses metallurgical innovation with exceptional functionalities in each of its resistance characteristics and minimal hot deformation. This steel, developed especially for hot work operations, stands out for its resistance to wear at high temperatures, high resistance to creep in extreme thermal conditions and good resistance to thermal fatigue, with isotropic characteristics is produced with ESR (Electro Slag Remelting) technology, the CR7V-L ESR offers maximum toughness values, making it an exceptional choice for various hot applications.
CR7V-L ESR It is a high-performance steel with a high chromium and molybdenum content and developed specifically for hot working operations, although it is also suitable for cold operations. This steel is distinguished by its excellent wear resistance at high temperatures, high strength in extreme thermal conditions, good resistance to thermal fatigue and very good hardenability.
Manufactured using ESR (Electro Slag Remelting) technology, the CR7V-L ESR guarantees isotropic characteristics, providing maximum properties in toughness and ductility. Its delivery condition includes annealing to a maximum hardness of 240 HB (~22 HRC), ensuring an optimal balance between hardness and malleability. In terms of chemical composition, it has a %C of 0.42, %Si of 0.50, %Mn of 0.40, %Cr of 6.50, %Mo of 1.30, and %V of 0.80, its thermal conductivity and coefficient of thermal expansion vary in different temperature ranges, providing optimal physical properties for various applications.
CR7V-L ESR stands out for its applicability in hot work operations, such as stamping tooling for automotive components, extrusion dies for steel, and seamless tube forming rollers, in addition, in cold work operations, it finds its useful in the manufacture of automotive wheel rings, punches and blades for sheet cutting, in summary, CR7V-L ESR represents excellence in hot resistance, versatility and performance in industrial and manufacturing applications.