Vanadium steel is a type of alloy steel containing vanadium as a major element. This type of steel is used in various applications due to its excellent strength, durability, and resistance to corrosion. However, there are several synonyms for vanadium steel that are commonly used. These include high-strength steel, alloy steel, hardened steel, and tool steel. High-strength steel is a term used to describe any steel with a strength-to-weight ratio higher than conventional steel. Alloy steel refers to any type of steel with added elements for enhanced properties. Hardened steel is characterized by its high hardness and abrasion resistance, and tool steel is designed for use in applications such as cutting, drilling and shaping.